/*  Prototype JavaScript framework, version 1.6.0.1
 *  (c) 2005-2007 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.6.0.1',

  Browser: {
    IE:     !!(window.attachEvent && !window.opera),
    Opera:  !!window.opera,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
  },

  BrowserFeatures: {
    XPath: !!document.evaluate,
    ElementExtensions: !!window.HTMLElement,
    SpecificElementExtensions:
      document.createElement('div').__proto__ &&
      document.createElement('div').__proto__ !==
        document.createElement('form').__proto__
  },

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

  emptyFunction: function() { },
  K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
  Prototype.BrowserFeatures.SpecificElementExtensions = false;


/* Based on Alex Arnell's inheritance implementation. */
var Class = {
  create: function() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

    function klass() {
      this.initialize.apply(this, arguments);
    }

    Object.extend(klass, Class.Methods);
    klass.superclass = parent;
    klass.subclasses = [];

    if (parent) {
      var subclass = function() { };
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0; i < properties.length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;

    return klass;
  }
};

Class.Methods = {
  addMethods: function(source) {
    var ancestor   = this.superclass && this.superclass.prototype;
    var properties = Object.keys(source);

    if (!Object.keys({ toString: true }).length)
      properties.push("toString", "valueOf");

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames().first() == "$super") {
        var method = value, value = Object.extend((function(m) {
          return function() { return ancestor[m].apply(this, arguments) };
        })(property).wrap(method), {
          valueOf:  function() { return method },
          toString: function() { return method.toString() }
        });
      }
      this.prototype[property] = value;
    }

    return this;
  }
};

var Abstract = { };

Object.extend = function(destination, source) {
  for (var property in source)
    destination[property] = source[property];
  return destination;
};

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (Object.isUndefined(object)) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : object.toString();
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  },

  toJSON: function(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (Object.isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = Object.toJSON(object[property]);
      if (!Object.isUndefined(value))
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  },

  toQueryString: function(object) {
    return $H(object).toQueryString();
  },

  toHTML: function(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  },

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({ }, object);
  },

  isElement: function(object) {
    return object && object.nodeType == 1;
  },

  isArray: function(object) {
    return object && object.constructor === Array;
  },

  isHash: function(object) {
    return object instanceof Hash;
  },

  isFunction: function(object) {
    return typeof object == "function";
  },

  isString: function(object) {
    return typeof object == "string";
  },

  isNumber: function(object) {
    return typeof object == "number";
  },

  isUndefined: function(object) {
    return typeof object == "undefined";
  }
});

Object.extend(Function.prototype, {
  argumentNames: function() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
    return names.length == 1 && !names[0] ? [] : names;
  },

  bind: function() {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = $A(arguments), object = args.shift();
    return function() {
      return __method.apply(object, args.concat($A(arguments)));
    }
  },

  bindAsEventListener: function() {
    var __method = this, args = $A(arguments), object = args.shift();
    return function(event) {
      return __method.apply(object, [event || window.event].concat(args));
    }
  },

  curry: function() {
    if (!arguments.length) return this;
    var __method = this, args = $A(arguments);
    return function() {
      return __method.apply(this, args.concat($A(arguments)));
    }
  },

  delay: function() {
    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  },

  wrap: function(wrapper) {
    var __method = this;
    return function() {
      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
    }
  },

  methodize: function() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      return __method.apply(null, [this].concat($A(arguments)));
    };
  }
});

Function.prototype.defer = Function.prototype.delay.curry(0.01);

Date.prototype.toJSON = function() {
  return '"' + this.getUTCFullYear() + '-' +
    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
    this.getUTCDate().toPaddedString(2) + 'T' +
    this.getUTCHours().toPaddedString(2) + ':' +
    this.getUTCMinutes().toPaddedString(2) + ':' +
    this.getUTCSeconds().toPaddedString(2) + 'Z"';
};

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) { }
    }

    return returnValue;
  }
};

RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create({
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  execute: function() {
    this.callback(this);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.execute();
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
});
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(replacement);

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = Object.isUndefined(truncation) ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var self = arguments.callee;
    self.text.data = this;
    return self.div.innerHTML;
  },

  unescapeHTML: function() {
    var div = new Element('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift());
        var value = pair.length > 1 ? pair.join('=') : pair[0];
        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  },

  toArray: function() {
    return this.split('');
  },

  succ: function() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  },

  times: function(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  },

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

  capitalize: function() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  },

  underscore: function() {
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
  },

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  },

  toJSON: function() {
    return this.inspect(true);
  },

  unfilterJSON: function(filter) {
    return this.sub(filter || Prototype.JSONFilter, '#{1}');
  },

  isJSON: function() {
    var str = this;
    if (str.blank()) return false;
    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  },

  evalJSON: function(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  },

  include: function(pattern) {
    return this.indexOf(pattern) > -1;
  },

  startsWith: function(pattern) {
    return this.indexOf(pattern) === 0;
  },

  endsWith: function(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === d;
  },

  empty: function() {
    return this == '';
  },

  blank: function() {
    return /^\s*$/.test(this);
  },

  interpolate: function(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }
});

if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
  escapeHTML: function() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  },
  unescapeHTML: function() {
    return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (Object.isFunction(replacement)) return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
};

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

with (String.prototype.escapeHTML) div.appendChild(text);

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return '';

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3];
      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
      match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
        ctx = ctx[comp];
        if (null == ctx || '' == match[3]) break;
        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
        match = pattern.exec(expr);
      }

      return before + String.interpret(ctx);
    }.bind(this));
  }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = {
  each: function(iterator, context) {
    var index = 0;
    iterator = iterator.bind(context);
    try {
      this._each(function(value) {
        iterator(value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(number, iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var index = -number, slices = [], array = this.toArray();
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  },

  all: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator(value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator(value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator(value, index));
    });
    return results;
  },

  detect: function(iterator, context) {
    iterator = iterator.bind(context);
    var result;
    this.each(function(value, index) {
      if (iterator(value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator, context) {
    iterator = iterator.bind(context);
    var results = [];
    this.each(function(value, index) {
      if (iterator(value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(filter, iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(filter);

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator(value, index));
    });
    return results;
  },

  include: function(object) {
    if (Object.isFunction(this.indexOf))
      if (this.indexOf(object) != -1) return true;

    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  },

  inject: function(memo, iterator, context) {
    iterator = iterator.bind(context);
    this.each(function(value, index) {
      memo = iterator(memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator(value, index);
      if (result == null || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator(value, index);
      if (result == null || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator, context) {
    iterator = iterator ? iterator.bind(context) : Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator(value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator, context) {
    iterator = iterator.bind(context);
    var results = [];
    this.each(function(value, index) {
      if (!iterator(value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator, context) {
    iterator = iterator.bind(context);
    return this.map(function(value, index) {
      return {value: value, criteria: iterator(value, index)};
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.map();
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (Object.isFunction(args.last()))
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  },

  size: function() {
    return this.toArray().length;
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
};

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  filter:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray,
  every:   Enumerable.all,
  some:    Enumerable.any
});
function $A(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

if (Prototype.Browser.WebKit) {
  function $A(iterable) {
    if (!iterable) return [];
    if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
        iterable.toArray) return iterable.toArray();
    var length = iterable.length || 0, results = new Array(length);
    while (length--) results[length] = iterable[length];
    return results;
  }
}

Array.from = $A;

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(Object.isArray(value) ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  },

  intersect: function(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  },

  clone: function() {
    return [].concat(this);
  },

  size: function() {
    return this.length;
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  },

  toJSON: function() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (!Object.isUndefined(value)) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }
});

// use native browser JS 1.6 implementation if available
if (Object.isFunction(Array.prototype.forEach))
  Array.prototype._each = Array.prototype.forEach;

if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
  i || (i = 0);
  var length = this.length;
  if (i < 0) i = length + i;
  for (; i < length; i++)
    if (this[i] === item) return i;
  return -1;
};

if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
  i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
  var n = this.slice(0, i).reverse().indexOf(item);
  return (n < 0) ? n : i - n - 1;
};

Array.prototype.toArray = Array.prototype.clone;

function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (Object.isArray(arguments[i])) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  };
}
Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator) {
    $R(0, this, true).each(iterator);
    return this;
  },

  toPaddedString: function(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  },

  toJSON: function() {
    return isFinite(this) ? this.toString() : 'null';
  }
});

$w('abs round ceil floor').each(function(method){
  Number.prototype[method] = Math[method].methodize();
});
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  return {
    initialize: function(object) {
      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
    },

    _each: function(iterator) {
      for (var key in this._object) {
        var value = this._object[key], pair = [key, value];
        pair.key = key;
        pair.value = value;
        iterator(pair);
      }
    },

    set: function(key, value) {
      return this._object[key] = value;
    },

    get: function(key) {
      return this._object[key];
    },

    unset: function(key) {
      var value = this._object[key];
      delete this._object[key];
      return value;
    },

    toObject: function() {
      return Object.clone(this._object);
    },

    keys: function() {
      return this.pluck('key');
    },

    values: function() {
      return this.pluck('value');
    },

    index: function(value) {
      var match = this.detect(function(pair) {
        return pair.value === value;
      });
      return match && match.key;
    },

    merge: function(object) {
      return this.clone().update(object);
    },

    update: function(object) {
      return new Hash(object).inject(this, function(result, pair) {
        result.set(pair.key, pair.value);
        return result;
      });
    },

    toQueryString: function() {
      return this.map(function(pair) {
        var key = encodeURIComponent(pair.key), values = pair.value;

        if (values && typeof values == 'object') {
          if (Object.isArray(values))
            return values.map(toQueryPair.curry(key)).join('&');
        }
        return toQueryPair(key, values);
      }).join('&');
    },

    inspect: function() {
      return '#<Hash:{' + this.map(function(pair) {
        return pair.map(Object.inspect).join(': ');
      }).join(', ') + '}>';
    },

    toJSON: function() {
      return Object.toJSON(this.toObject());
    },

    clone: function() {
      return new Hash(this);
    }
  }
})());

Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
Hash.from = $H;
var ObjectRange = Class.create(Enumerable, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
};

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (Object.isFunction(responder[callback])) {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) { }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate:   function() { Ajax.activeRequestCount++ },
  onComplete: function() { Ajax.activeRequestCount-- }
});

Ajax.Base = Class.create({
  initialize: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   '',
      evalJSON:     true,
      evalJS:       true
    };
    Object.extend(this.options, options || { });

    this.options.method = this.options.method.toLowerCase();

    if (Object.isString(this.options.parameters))
      this.options.parameters = this.options.parameters.toQueryParams();
    else if (Object.isHash(this.options.parameters))
      this.options.parameters = this.options.parameters.toObject();
  }
});

Ajax.Request = Class.create(Ajax.Base, {
  _complete: false,

  initialize: function($super, url, options) {
    $super(options);
    this.transport = Ajax.getTransport();
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.clone(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      // simulate other verbs over post
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      // when GET, append parameters to URL
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    // user-defined headers
    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (Object.isFunction(extras.push))
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    var status = this.getStatus();
    return !status || (status >= 200 && status < 300);
  },

  getStatus: function() {
    try {
      return this.transport.status || 0;
    } catch (e) { return 0 }
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + response.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(response, response.headerJSON);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = response.getHeader('Content-type');
      if (this.options.evalJS == 'force'
          || (this.options.evalJS && contentType
          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
        this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      // avoid memory leak in MSIE: clean up
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name) || null;
    } catch (e) { return null }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if(readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = Object.isUndefined(xml) ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,
  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON);
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')) ||
        this.responseText.blank())
          return null;
    try {
      return this.responseText.evalJSON(options.sanitizeJSON);
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = Object.clone(options);
    var onComplete = options.onComplete;
    options.onComplete = (function(response, json) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, json);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

/*--------------------------------------------------------------------------*/

if (!window.Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  // DOM level 2 ECMAScript Language Binding
  Object.extend(Node, {
    ELEMENT_NODE: 1,
    ATTRIBUTE_NODE: 2,
    TEXT_NODE: 3,
    CDATA_SECTION_NODE: 4,
    ENTITY_REFERENCE_NODE: 5,
    ENTITY_NODE: 6,
    PROCESSING_INSTRUCTION_NODE: 7,
    COMMENT_NODE: 8,
    DOCUMENT_NODE: 9,
    DOCUMENT_TYPE_NODE: 10,
    DOCUMENT_FRAGMENT_NODE: 11,
    NOTATION_NODE: 12
  });
}

(function() {
  var element = this.Element;
  this.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (Prototype.Browser.IE && attributes.name) {
      tagName = '<' + tagName + ' name="' + attributes.name + '">';
      delete attributes.name;
      return Element.writeAttribute(document.createElement(tagName), attributes);
    }
    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  };
  Object.extend(this.Element, element || { });
}).call(window);

Element.cache = { };

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    $(element).style.display = 'none';
    return element;
  },

  show: function(element) {
    $(element).style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);
    content = Object.toHTML(content);
    element.innerHTML = content.stripScripts();
    content.evalScripts.bind(content).defer();
    return element;
  },

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, insert, tagName, childNodes;

    for (position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      insert = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

      if (position == 'top' || position == 'after') childNodes.reverse();
      childNodes.each(insert.curry(element));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    return $(element).getElementsBySelector("*");
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    if (Object.isString(selector))
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = element.ancestors();
    return Object.isNumber(expression) ? ancestors[expression] :
      Selector.findElement(ancestors, expression, index);
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return element.firstDescendant();
    return Object.isNumber(expression) ? element.descendants()[expression] :
      element.select(expression)[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = element.previousSiblings();
    return Object.isNumber(expression) ? previousSiblings[expression] :
      Selector.findElement(previousSiblings, expression, index);
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = element.nextSiblings();
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },

  select: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  adjacent: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = element.readAttribute('id'), self = arguments.callee;
    if (id) return id;
    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
    element.writeAttribute('id', id);
    return id;
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }
    }
    return element.getAttribute(name);
  },

  writeAttribute: function(element, name, value) {
    element = $(element);
    var attributes = { }, t = Element._attributeTranslations.write;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = Object.isUndefined(value) ? true : value;

    for (var attr in attributes) {
      name = t.names[attr] || attr;
      value = attributes[attr];
      if (t.values[attr]) name = t.values[attr](element, value);
      if (value === false || value === null)
        element.removeAttribute(name);
      else if (value === true)
        element.setAttribute(name, name);
      else element.setAttribute(name, value);
    }
    return element;
  },

  getHeight: function(element) {
    return $(element).getDimensions().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    if (!element.hasClassName(className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return element[element.hasClassName(className) ?
      'removeClassName' : 'addClassName'](className);
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    var originalAncestor = ancestor;

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (element.sourceIndex && !Prototype.Browser.Opera) {
      var e = element.sourceIndex, a = ancestor.sourceIndex,
       nextAncestor = ancestor.nextSibling;
      if (!nextAncestor) {
        do { ancestor = ancestor.parentNode; }
        while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
      }
      if (nextAncestor) return (e > a && e < nextAncestor.sourceIndex);
    }

    while (element = element.parentNode)
      if (element == originalAncestor) return true;
    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = element.cumulativeOffset();
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value) {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = $(element).getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (window.opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p == 'relative' || p == 'absolute') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'absolute') return;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    var offsets = element.positionedOffset();
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

  relativize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'relative') return;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

  cumulativeScrollOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  getOffsetParent: function(element) {
    if (element.offsetParent) return $(element.offsetParent);
    if (element == document.body) return $(element);

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return $(element);

    return $(document.body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent == document.body &&
        Element.getStyle(element, 'position') == 'absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!Prototype.Browser.Opera || element.tagName == 'BODY') {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return Element._returnOffset(valueL, valueT);
  },

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    // find page position of source
    source = $(source);
    var p = source.viewportOffset();

    // find coordinate system to use
    element = $(element);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = element.getOffsetParent();
      delta = parent.viewportOffset();
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Element.Methods.identify.counter = 1;

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,
  childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
  write: {
    names: {
      className: 'class',
      htmlFor:   'for'
    },
    values: { }
  }
};

if (Prototype.Browser.Opera) {
  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
    function(proceed, element, style) {
      switch (style) {
        case 'left': case 'top': case 'right': case 'bottom':
          if (proceed(element, 'position') === 'static') return null;
        case 'height': case 'width':
          // returns '0px' for hidden elements; we want it to return null
          if (!Element.visible(element)) return null;

          // returns the border-box dimensions rather than the content-box
          // dimensions, so we subtract padding and borders from the value
          var dim = parseInt(proceed(element, style), 10);

          if (dim !== element['offset' + style.capitalize()])
            return dim + 'px';

          var properties;
          if (style === 'height') {
            properties = ['border-top-width', 'padding-top',
             'padding-bottom', 'border-bottom-width'];
          }
          else {
            properties = ['border-left-width', 'padding-left',
             'padding-right', 'border-right-width'];
          }
          return properties.inject(dim, function(memo, property) {
            var val = proceed(element, property);
            return val === null ? memo : memo - parseInt(val, 10);
          }) + 'px';
        default: return proceed(element, style);
      }
    }
  );

  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
    function(proceed, element, attribute) {
      if (attribute === 'title') return element.title;
      return proceed(element, attribute);
    }
  );
}

else if (Prototype.Browser.IE) {
  $w('positionedOffset getOffsetParent viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        var position = element.getStyle('position');
        if (position != 'static') return proceed(element);
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element._attributeTranslations = {
    read: {
      names: {
        'class': 'className',
        'for':   'htmlFor'
      },
      values: {
        _getAttr: function(element, attribute) {
          return element.getAttribute(attribute, 2);
        },
        _getAttrNode: function(element, attribute) {
          var node = element.getAttributeNode(attribute);
          return node ? node.value : "";
        },
        _getEv: function(element, attribute) {
          attribute = element.getAttribute(attribute);
          return attribute ? attribute.toString().slice(23, -2) : null;
        },
        _flag: function(element, attribute) {
          return $(element).hasAttribute(attribute) ? attribute : null;
        },
        style: function(element) {
          return element.style.cssText.toLowerCase();
        },
        title: function(element) {
          return element.title;
        }
      }
    }
  };

  Element._attributeTranslations.write = {
    names: Object.clone(Element._attributeTranslations.read.names),
    values: {
      checked: function(element, value) {
        element.checked = !!value;
      },

      style: function(element, value) {
        element.style.cssText = value ? value : '';
      }
    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr,
      src:         v._getAttr,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);
}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if(element.tagName == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };

  // Safari returns margins on body which is incorrect if the child is absolutely
  // positioned.  For performance reasons, redefine Element#cumulativeOffset for
  // KHTML/WebKit only.
  Element.Methods.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return Element._returnOffset(valueL, valueT);
  };
}

if (Prototype.Browser.IE || Prototype.Browser.Opera) {
  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
  Element.Methods.update = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);

    content = Object.toHTML(content);
    var tagName = element.tagName.toUpperCase();

    if (tagName in Element._insertionTranslations.tags) {
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
        .each(function(node) { element.appendChild(node) });
    }
    else element.innerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

if (document.createElement('div').outerHTML) {
  Element.Methods.replace = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) {
      element.parentNode.replaceChild(content, element);
      return element;
    }

    content = Object.toHTML(content);
    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

    if (Element._insertionTranslations.tags[tagName]) {
      var nextSibling = element.next();
      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
      parent.removeChild(element);
      if (nextSibling)
        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
      else
        fragments.each(function(node) { parent.appendChild(node) });
    }
    else element.outerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

Element._returnOffset = function(l, t) {
  var result = [l, t];
  result.left = l;
  result.top = t;
  return result;
};

Element._getContentFromAnonymousElement = function(tagName, html) {
  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
  if (t) {
    div.innerHTML = t[0] + html + t[1];
    t[2].times(function() { div = div.firstChild });
  } else div.innerHTML = html;
  return $A(div.childNodes);
};

Element._insertionTranslations = {
  before: function(element, node) {
    element.parentNode.insertBefore(node, element);
  },
  top: function(element, node) {
    element.insertBefore(node, element.firstChild);
  },
  bottom: function(element, node) {
    element.appendChild(node);
  },
  after: function(element, node) {
    element.parentNode.insertBefore(node, element.nextSibling);
  },
  tags: {
    TABLE:  ['<table>',                '</table>',                   1],
    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
    SELECT: ['<select>',               '</select>',                  1]
  }
};

(function() {
  Object.extend(this.tags, {
    THEAD: this.tags.TBODY,
    TFOOT: this.tags.TBODY,
    TH:    this.tags.TD
  });
}).call(Element._insertionTranslations);

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    attribute = Element._attributeTranslations.has[attribute] || attribute;
    var node = $(element).getAttributeNode(attribute);
    return node && node.specified;
  }
};

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

if (!Prototype.BrowserFeatures.ElementExtensions &&
    document.createElement('div').__proto__) {
  window.HTMLElement = { };
  window.HTMLElement.prototype = document.createElement('div').__proto__;
  Prototype.BrowserFeatures.ElementExtensions = true;
}

Element.extend = (function() {
  if (Prototype.BrowserFeatures.SpecificElementExtensions)
    return Prototype.K;

  var Methods = { }, ByTag = Element.Methods.ByTag;

  var extend = Object.extend(function(element) {
    if (!element || element._extendedByPrototype ||
        element.nodeType != 1 || element == window) return element;

    var methods = Object.clone(Methods),
      tagName = element.tagName, property, value;

    // extend methods for specific tags
    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    for (property in methods) {
      value = methods[property];
      if (Object.isFunction(value) && !(property in element))
        element[property] = value.methodize();
    }

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      // extend methods for all tags (Safari doesn't need this)
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

  extend.refresh();
  return extend;
})();

Element.hasAttribute = function(element, attribute) {
  if (element.hasAttribute) return element.hasAttribute(attribute);
  return Element.Methods.Simulated.hasAttribute(element, attribute);
};

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || { });
  else {
    if (Object.isArray(tagName)) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = { };
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    for (var property in methods) {
      var value = methods[property];
      if (!Object.isFunction(value)) continue;
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = value.methodize();
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    window[klass] = { };
    window[klass].prototype = document.createElement(tagName).__proto__;
    return window[klass];
  }

  if (F.ElementExtensions) {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (Object.isUndefined(klass)) continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;

  if (Element.extend.refresh) Element.extend.refresh();
  Element.cache = { };
};

document.viewport = {
  getDimensions: function() {
    var dimensions = { };
    var B = Prototype.Browser;
    $w('width height').each(function(d) {
      var D = d.capitalize();
      dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
        (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];
    });
    return dimensions;
  },

  getWidth: function() {
    return this.getDimensions().width;
  },

  getHeight: function() {
    return this.getDimensions().height;
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
  }
};
/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create({
  initialize: function(expression) {
    this.expression = expression.strip();
    this.compileMatcher();
  },

  shouldUseXPath: function() {
    if (!Prototype.BrowserFeatures.XPath) return false;

    var e = this.expression;

    // Safari 3 chokes on :*-of-type and :empty
    if (Prototype.Browser.WebKit &&
     (e.include("-of-type") || e.include(":empty")))
      return false;

    // XPath can't do namespaced attributes, nor can it read
    // the "checked" property from DOM nodes
    if ((/(\[[\w-]*?:|:checked)/).test(this.expression))
      return false;

    return true;
  },

  compileMatcher: function() {
    if (this.shouldUseXPath())
      return this.compileXPathMatcher();

    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e];
      return;
    }

    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
    	      new Template(c[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        if (m = e.match(ps[i])) {
          this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
            new Template(x[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    if (this.xpath) return document._getElementsByXPath(this.xpath, root);
    return this.matcher(root);
  },

  match: function(element) {
    this.tokens = [];

    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
    var le, p, m;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          // use the Selector.assertions methods unless the selector
          // is too complex.
          if (as[i]) {
            this.tokens.push([i, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            // reluctantly do a document-wide search
            // and look for a match in the array
            return this.findElements(document).include(element);
          }
        }
      }
    }

    var match = true, name, matches;
    for (var i = 0, token; token = this.tokens[i]; i++) {
      name = token[0], matches = token[1];
      if (!Selector.assertions[name](element, matches)) {
        match = false; break;
      }
    }

    return match;
  },

  toString: function() {
    return this.expression;
  },

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
});

Object.extend(Selector, {
  _cache: { },

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: function(m) {
      m[1] = m[1].toLowerCase();
      return new Template("[@#{1}]").evaluate(m);
    },
    attr: function(m) {
      m[1] = m[1].toLowerCase();
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (Object.isFunction(h)) return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
      'checked':     "[@checked]",
      'disabled':    "[@disabled]",
      'enabled':     "[not(@disabled)]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, v;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i in p) {
            if (m = e.match(p[i])) {
              v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);   c = false;',
    className:    'n = h.className(n, r, "#{1}", c); c = false;',
    id:           'n = h.id(n, r, "#{1}", c);        c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);
    },
    pseudo: function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: {
    // combinators must be listed first
    // (and descendant needs to be last combinator)
    laterSibling: /^\s*~\s*/,
    child:        /^\s*>\s*/,
    adjacent:     /^\s*\+\s*/,
    descendant:   /^\s/,

    // selectors follow
    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
    id:           /^#([\w\-\*]+)(\b|$)/,
    className:    /^\.([\w\-\*]+)(\b|$)/,
    pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
    attrPresence: /^\[([\w]+)\]/,
    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
  },

  // for Selector.match and Element#match
  assertions: {
    tagName: function(element, matches) {
      return matches[1].toUpperCase() == element.tagName.toUpperCase();
    },

    className: function(element, matches) {
      return Element.hasClassName(element, matches[1]);
    },

    id: function(element, matches) {
      return element.id === matches[1];
    },

    attrPresence: function(element, matches) {
      return Element.hasAttribute(element, matches[1]);
    },

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return Selector.operators[matches[2]](nodeValue, matches[3]);
    }
  },

  handlers: {
    // UTILITY FUNCTIONS
    // joins two collections
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    // marks an array of nodes for counting
    mark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._counted = true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._counted = undefined;
      return nodes;
    },

    // mark each child node with its position (for nth calls)
    // "ofType" flag indicates whether we're indexing for nth-of-type
    // rather than nth-child
    index: function(parentNode, reverse, ofType) {
      parentNode._counted = true;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          var node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
      }
    },

    // filters out duplicates and extends all nodes
    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (!(n = nodes[i])._counted) {
          n._counted = true;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    // COMBINATOR FUNCTIONS
    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
	      if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    // TOKEN FUNCTIONS
    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          // fastlane for ordinary descendant combinators
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() === uTagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;
      if (!targetNode) return [];
      if (!nodes && root == document) return [targetNode];
      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    // handles the an+b logic
    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._counted) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        // IE treats comments as element nodes
        if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._counted) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled) results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv.startsWith(v); },
    '$=': function(nv, v) { return nv.endsWith(v); },
    '*=': function(nv, v) { return nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
  },

  matchElements: function(elements, expression) {
    var matches = new Selector(expression).findElements(), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._counted) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (Object.isNumber(expression)) {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    var exprs = expressions.join(',');
    expressions = [];
    exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

if (Prototype.Browser.IE) {
  // IE returns comment nodes on getElementsByTagName("*").
  // Filter them out.
  Selector.handlers.concat = function(a, b) {
    for (var i = 0, node; node = b[i]; i++)
      if (node.tagName !== "!") a.push(node);
    return a;
  };
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(form) {
    $(form).reset();
    return form;
  },

  serializeElements: function(elements, options) {
    if (typeof options != 'object') options = { hash: !!options };
    else if (Object.isUndefined(options.hash)) options.hash = true;
    var key, value, submitted = false, submit = options.submit;

    var data = elements.inject({ }, function(result, element) {
      if (!element.disabled && element.name) {
        key = element.name; value = $(element).getValue();
        if (value != null && (element.type != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          if (key in result) {
            // a key is already present; construct an array of values
            if (!Object.isArray(result[key])) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return options.hash ? data : Object.toQueryString(data);
  }
};

Form.Methods = {
  serialize: function(form, options) {
    return Form.serializeElements(Form.getElements(form), options);
  },

  getElements: function(form) {
    return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
        if (Form.Element.Serializers[child.tagName.toLowerCase()])
          elements.push(Element.extend(child));
        return elements;
      }
    );
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('disable');
    return form;
  },

  enable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('enable');
    return form;
  },

  findFirstElement: function(form) {
    var elements = $(form).getElements().findAll(function(element) {
      return 'hidden' != element.type && !element.disabled;
    });
    var firstByIndex = elements.findAll(function(element) {
      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
    }).sortBy(function(element) { return element.tabIndex }).first();

    return firstByIndex ? firstByIndex : elements.find(function(element) {
      return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || { });

    var params = options.parameters, action = form.readAttribute('action') || '';
    if (action.blank()) action = window.location.href;
    options.parameters = form.serialize(true);

    if (params) {
      if (Object.isString(params)) params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(action, options);
  }
};

/*--------------------------------------------------------------------------*/

Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
};

Form.Element.Methods = {
  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = { };
        pair[element.name] = value;
        return Object.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  setValue: function(element, value) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    Form.Element.Serializers[method](element, value);
    return element;
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
          !['button', 'reset', 'submit'].include(element.type)))
        element.select();
    } catch (e) { }
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.blur();
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.disabled = false;
    return element;
  }
};

/*--------------------------------------------------------------------------*/

var Field = Form.Element;
var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element, value) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element, value);
      default:
        return Form.Element.Serializers.textarea(element, value);
    }
  },

  inputSelector: function(element, value) {
    if (Object.isUndefined(value)) return element.checked ? element.value : null;
    else element.checked = !!value;
  },

  textarea: function(element, value) {
    if (Object.isUndefined(value)) return element.value;
    else element.value = value;
  },

  select: function(element, index) {
    if (Object.isUndefined(index))
      return this[element.type == 'select-one' ?
        'selectOne' : 'selectMany'](element);
    else {
      var opt, value, single = !Object.isArray(index);
      for (var i = 0, length = element.length; i < length; i++) {
        opt = element.options[i];
        value = this.optionValue(opt);
        if (single) {
          if (value == index) {
            opt.selected = true;
            return;
          }
        }
        else opt.selected = index.include(value);
      }
    }
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {
    // extend element because hasAttribute may not be native
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
};

/*--------------------------------------------------------------------------*/

Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
  initialize: function($super, element, frequency, callback) {
    $super(callback, frequency);
    this.element   = $(element);
    this.lastValue = this.getValue();
  },

  execute: function() {
    var value = this.getValue();
    if (Object.isString(this.lastValue) && Object.isString(value) ?
        this.lastValue != value : String(this.lastValue) != String(value)) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
});

Form.Element.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = Class.create({
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback, this);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
});

Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
if (!window.Event) var Event = { };

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,
  KEY_HOME:     36,
  KEY_END:      35,
  KEY_PAGEUP:   33,
  KEY_PAGEDOWN: 34,
  KEY_INSERT:   45,

  cache: { },

  relatedTarget: function(event) {
    var element;
    switch(event.type) {
      case 'mouseover': element = event.fromElement; break;
      case 'mouseout':  element = event.toElement;   break;
      default: return null;
    }
    return Element.extend(element);
  }
});

Event.Methods = (function() {
  var isButton;

  if (Prototype.Browser.IE) {
    var buttonMap = { 0: 1, 1: 4, 2: 2 };
    isButton = function(event, code) {
      return event.button == buttonMap[code];
    };

  } else if (Prototype.Browser.WebKit) {
    isButton = function(event, code) {
      switch (code) {
        case 0: return event.which == 1 && !event.metaKey;
        case 1: return event.which == 1 && event.metaKey;
        default: return false;
      }
    };

  } else {
    isButton = function(event, code) {
      return event.which ? (event.which === code + 1) : (event.button === code);
    };
  }

  return {
    isLeftClick:   function(event) { return isButton(event, 0) },
    isMiddleClick: function(event) { return isButton(event, 1) },
    isRightClick:  function(event) { return isButton(event, 2) },

    element: function(event) {
      var node = Event.extend(event).target;
      return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);
    },

    findElement: function(event, expression) {
      var element = Event.element(event);
      if (!expression) return element;
      var elements = [element].concat(element.ancestors());
      return Selector.findElement(elements, expression, 0);
    },

    pointer: function(event) {
      return {
        x: event.pageX || (event.clientX +
          (document.documentElement.scrollLeft || document.body.scrollLeft)),
        y: event.pageY || (event.clientY +
          (document.documentElement.scrollTop || document.body.scrollTop))
      };
    },

    pointerX: function(event) { return Event.pointer(event).x },
    pointerY: function(event) { return Event.pointer(event).y },

    stop: function(event) {
      Event.extend(event);
      event.preventDefault();
      event.stopPropagation();
      event.stopped = true;
    }
  };
})();

Event.extend = (function() {
  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
    m[name] = Event.Methods[name].methodize();
    return m;
  });

  if (Prototype.Browser.IE) {
    Object.extend(methods, {
      stopPropagation: function() { this.cancelBubble = true },
      preventDefault:  function() { this.returnValue = false },
      inspect: function() { return "[object Event]" }
    });

    return function(event) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);
      Object.extend(event, {
        target: event.srcElement,
        relatedTarget: Event.relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });
      return Object.extend(event, methods);
    };

  } else {
    Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__;
    Object.extend(Event.prototype, methods);
    return Prototype.K;
  }
})();

Object.extend(Event, (function() {
  var cache = Event.cache;

  function getEventID(element) {
    if (element._eventID) return element._eventID;
    arguments.callee.id = arguments.callee.id || 1;
    return element._eventID = ++arguments.callee.id;
  }

  function getDOMEventName(eventName) {
    if (eventName && eventName.include(':')) return "dataavailable";
    return eventName;
  }

  function getCacheForID(id) {
    return cache[id] = cache[id] || { };
  }

  function getWrappersForEventName(id, eventName) {
    var c = getCacheForID(id);
    return c[eventName] = c[eventName] || [];
  }

  function createWrapper(element, eventName, handler) {
    var id = getEventID(element);
    var c = getWrappersForEventName(id, eventName);
    if (c.pluck("handler").include(handler)) return false;

    var wrapper = function(event) {
      if (!Event || !Event.extend ||
        (event.eventName && event.eventName != eventName))
          return false;

      Event.extend(event);
      handler.call(element, event);
    };

    wrapper.handler = handler;
    c.push(wrapper);
    return wrapper;
  }

  function findWrapper(id, eventName, handler) {
    var c = getWrappersForEventName(id, eventName);
    return c.find(function(wrapper) { return wrapper.handler == handler });
  }

  function destroyWrapper(id, eventName, handler) {
    var c = getCacheForID(id);
    if (!c[eventName]) return false;
    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
  }

  function destroyCache() {
    for (var id in cache)
      for (var eventName in cache[id])
        cache[id][eventName] = null;
  }

  if (window.attachEvent) {
    window.attachEvent("onunload", destroyCache);
  }

  return {
    observe: function(element, eventName, handler) {
      element = $(element);
      var name = getDOMEventName(eventName);

      var wrapper = createWrapper(element, eventName, handler);
      if (!wrapper) return element;

      if (element.addEventListener) {
        element.addEventListener(name, wrapper, false);
      } else {
        element.attachEvent("on" + name, wrapper);
      }

      return element;
    },

    stopObserving: function(element, eventName, handler) {
      element = $(element);
      var id = getEventID(element), name = getDOMEventName(eventName);

      if (!handler && eventName) {
        getWrappersForEventName(id, eventName).each(function(wrapper) {
          element.stopObserving(eventName, wrapper.handler);
        });
        return element;

      } else if (!eventName) {
        Object.keys(getCacheForID(id)).each(function(eventName) {
          element.stopObserving(eventName);
        });
        return element;
      }

      var wrapper = findWrapper(id, eventName, handler);
      if (!wrapper) return element;

      if (element.removeEventListener) {
        element.removeEventListener(name, wrapper, false);
      } else {
        element.detachEvent("on" + name, wrapper);
      }

      destroyWrapper(id, eventName, handler);

      return element;
    },

    fire: function(element, eventName, memo) {
      element = $(element);
      if (element == document && document.createEvent && !element.dispatchEvent)
        element = document.documentElement;

      var event;
      if (document.createEvent) {
        event = document.createEvent("HTMLEvents");
        event.initEvent("dataavailable", true, true);
      } else {
        event = document.createEventObject();
        event.eventType = "ondataavailable";
      }

      event.eventName = eventName;
      event.memo = memo || { };

      if (document.createEvent) {
        element.dispatchEvent(event);
      } else {
        element.fireEvent(event.eventType, event);
      }

      return Event.extend(event);
    }
  };
})());

Object.extend(Event, Event.Methods);

Element.addMethods({
  fire:          Event.fire,
  observe:       Event.observe,
  stopObserving: Event.stopObserving
});

Object.extend(document, {
  fire:          Element.Methods.fire.methodize(),
  observe:       Element.Methods.observe.methodize(),
  stopObserving: Element.Methods.stopObserving.methodize(),
  loaded:        false
});

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards and John Resig. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearInterval(timer);
    document.fire("dom:loaded");
    document.loaded = true;
  }

  if (document.addEventListener) {
    if (Prototype.Browser.WebKit) {
      timer = window.setInterval(function() {
        if (/loaded|complete/.test(document.readyState))
          fireContentLoadedEvent();
      }, 0);

      Event.observe(window, "load", fireContentLoadedEvent);

    } else {
      document.addEventListener("DOMContentLoaded",
        fireContentLoadedEvent, false);
    }

  } else {
    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
    $("__onDOMContentLoaded").onreadystatechange = function() {
      if (this.readyState == "complete") {
        this.onreadystatechange = null;
        fireContentLoadedEvent();
      }
    };
  }
})();
/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
  Before: function(element, content) {
    return Element.insert(element, {before:content});
  },

  Top: function(element, content) {
    return Element.insert(element, {top:content});
  },

  Bottom: function(element, content) {
    return Element.insert(element, {bottom:content});
  },

  After: function(element, content) {
    return Element.insert(element, {after:content});
  }
};

var $continue = new Error('"throw $continue" is deprecated, use "return" instead');

// This should be moved to script.aculo.us; notice the deprecated methods
// further below, that map to the newer Element methods.
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  // caches x/y coordinate pair to use with overlap
  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = Element.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = Element.cumulativeScrollOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = Element.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  // within must be called directly before
  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },

  // Deprecation layer -- use newer Element methods now (1.5.2).

  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

  absolutize: function(element) {
    Position.prepare();
    return Element.absolutize(element);
  },

  relativize: function(element) {
    Position.prepare();
    return Element.relativize(element);
  },

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

  clone: function(source, target, options) {
    options = options || { };
    return Element.clonePosition(target, source, options);
  }
};

/*--------------------------------------------------------------------------*/

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
  function iter(name) {
    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
  }

  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
  function(element, className) {
    className = className.toString().strip();
    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
  } : function(element, className) {
    className = className.toString().strip();
    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
    if (!classNames && !className) return elements;

    var nodes = $(element).getElementsByTagName('*');
    className = ' ' + className + ' ';

    for (var i = 0, child, cn; child = nodes[i]; i++) {
      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
          (classNames && classNames.all(function(name) {
            return !name.toString().blank() && cn.include(' ' + name + ' ');
          }))))
        elements.push(Element.extend(child));
    }
    return elements;
  };

  return function(className, parentElement) {
    return $(parentElement || document.body).getElementsByClassName(className);
  };
}(Element.Methods);

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);

/*--------------------------------------------------------------------------*/

Element.addMethods();//TODO: Anexar todo lo necesario para funciones de Formulario
   
   
    function loseFocus(element, e) {
        // alert('desHabilitarCamposFormE');
        if(e && e.which){ //mozilla
            e = e
            characterCode = e.which 
        }
        else {
            e = event
            characterCode = e.keyCode //IE
        }
     
        if(characterCode == 13){ //si El codigo es enter ejecutamos
            element.blur();
        }
           
        
    }
    
  


	/********************************
	*
	*	Widgets
	*
	*********************************/

        
    
    /**
     *
     *  Crea widget validadores
     *  todos los elements que que tengan _config como terminacion de su id
     *  son los config para crear los validators           
     *
     */                   
    function createWidgetsValidator(){
        
        var inputs = $$('input');
        
        for(var i = 0; i < inputs.length; i++){
            
            if  (   (inputs[i].type == "hidden") && 
                    (inputs[i].id.indexOf('_config') > 0) && 
                    ( (inputs[i].id.length -7) == inputs[i].id.indexOf('_config') ) 
                ){
                    
                //como primer parametro tenemos el type (textField, textArea)
                 var type = (inputs[i].value.substr(0, inputs[i].value.indexOf("&"))).split("=");
                 
                 switch (type[1]){
                    case "textField":
                        createTextFieldWidget(inputs[i].id);
                    break;
                 
                 }        
            
            } 
             
        
        }
            
        
    }
    
	
	/**
     *
     *  Crea un Widget de tipo TexField
     *
     */ 
    function createTextFieldWidget( idInpunt ){
    
        var data = $F(idInpunt);
        var params = new Object();
        params = x_ajaxResponseToArray(data);
        
        if (params['format'] == ""){
        
            var format = "";
        }else{
        
            var format = ",format:'"+params['format']+"'";
        }
                
        //string de creacion del widget       
        var newWidget = "var "+params['id']+"=new Spry.Widget.ValidationTextField('"+params['id']+"','"+params['descriptor']+"',{isRequired:"+params['isRequired']+",maxChars:"+params['maxChars']+format+",useCharacterMasking:true,validateOn:['change'] }  );" +"global_vars["+params['id']+".getNombre()] = "+params['id']+";"; 
        
        //alert(newWidget);
        try{
            eval(newWidget);
        }catch(err){
            //error
            //para debug alert(err.message);            
            //alert(err.message);
            return;
        }
   
    }
    
    
    
    
                     
	//deshabilita todos los textbox del documento
	 function disabeTextBoxes(){
		
		var inputs = $$("input");
		
		for ( var i=0; i<inputs.length; i++){
		
			if (inputs[i].type == "text"){
						
				inputs[i].disabled = true;
				
			}
			
		}
	 
	 }
 
 
	//habilita todos los textbox del documento
	function enableTextBoxes(){
	
		var inputs = $$("input");
		
		for ( var i=0; i<inputs.length; i++){
		
			if (inputs[i].type == "text"){            
				inputs[i].disabled = false;
			}
			
		}
	
	}      

    
	//libera todos los radios que esten seleccionados
	function freeRadiosChecked(){
	
		var inputs = $$("input");
		
		for ( var i=0; i<inputs.length; i++){
		
			if (inputs[i].type == "radio"){            
				inputs[i].checked = false;
			}
			
		}
	
	
	}
 
	//selecciona todos los items de un combo
	function seleccionarTodosLosItems(idCombo){
	
		var combo = $(idCombo);
		
		if (combo && combo.type == "select-multiple" ){
			
			for(var i=0;i< combo.options.length; i++){
				
				combo.options[i].selected = true;
				
			}
		
		}
	
	}

	/**
	 *  
	 *  Recibe como parametro el div al que le hicieron click.
	 *  Oculta el div y muestra el componente input. Tambien asigna el Id que recibio como parametro
	 */ 
	  function x_enableListInput(element, id){        
	  //  alert('habilitarCampoForm');    
		var div = element;//element.id.substring(0 , element.id.indexOf('_'))+"_valor"; 
		var input = element.id.substring(0 , element.id.lastIndexOf('_'))+"_input";
		// Reseteamos le input que nos indica el ENTER
		$('aux_enter').value = 0;
		$('id').value = id;
		// Cargamos el valor del div en el input
		$(input).value = trim(element.innerHTML);
		// Guardamos dicho valor en caso de querer restaurarlo
		$('aux_valor_original').value = element.innerHTML;
		//Mostramos el input y ocultamos el div
		element.style.display = 'none';  
		$(input).style.display = 'inline';  
		// Guardamos el nombre de la clase original del input
		$('aux').value = $(div).className;  
		// Ponemos el foco en el campo del formulario recien habilitado
		$(input).focus();
	 }
 
 
	function x_disableFormField(element){
		//alert('desHabilitarCamposForm');
		if ( $('aux_enter').value != 1) {
			var div = element.id.substring(0 , element.id.lastIndexOf('_'))+"_valor";     
			// Ocultamos el Input
			element.style.display = 'none';     
			// Restauramos la clase original 
			$(div).className = $('aux').value;
			// Mostramos el DIV
			$(div).style.display = '';
			// Restauramos el valor original
			$(div).innerHTML = $('aux_valor_original').value;
		}
	}
 
	/**
	* Deshabilita un form field
	*
	*    
	*/
	function x_disableFormFieldE(element, e) {
		// alert('desHabilitarCamposFormE');
		if(e && e.which){ //mozilla
			e = e
			characterCode = e.which 
		}
		else {
			e = event
			characterCode = e.keyCode //IE
		}
	
		if(characterCode == 13){ //si El codigo es enter ejecutamos
		   
			// Seteamos el input que nos indica el ENTER
			$('aux_enter').value = 1;
			   
			var div = element.id.substring(0 , element.id.lastIndexOf('_'))+"_valor";  
			//primero validamos q lo datos ingresados sean correctos
			var varValidate =  global_vars[element.id.substring(0 , element.id.lastIndexOf('_'))];
			if (!varValidate.validate()){
				$('aux_enter').value = 0;            
				x_disableFormField(element);
				$(element.id.substring(0 , element.id.lastIndexOf('_'))+"_input").value = $('aux_valor_original').value;
				varValidate.reset();
				varValidate.validate();
				
			   // $(div).className = $('aux').value; 
				$('Codigo_input').focus();
				return true;
			}
			$(div).innerHTML = element.value;
			element.style.display = 'none';  
			$(div).style.display = '';
			$(div).className = $('aux').value; 
			//ajax que cambia el valor en la base
			//alert('tengo q ejecutar ajax');    
			updateRecord($('id').value,element);     
			return false
		} else {
				return true;
		}
	
	}


	/**
	* Actulaiza un valor en la base de datos dado por element
	*   
	*/     
	function updateRecord(Codigo,element){
		//var urlFicha="modulos/"+$F('modulo')+"/"+$F('submodulo')+".php?";
		var urlFicha=element.form.action;
		var elementoValor = "&"+element.name+"="+encodeURIComponent(element.value);
		var paramsFicha = "id="+Codigo+elementoValor;
		//alert("url y parametros al script: "+urlFicha+paramsFicha);
		x_doAjaxCall('get', urlFicha, paramsFicha, 'doupdateRecord',"'"+element.id+"'",'doError',false,false);
	
	}
  
	/**
	*
	*/
    function doupdateRecord(responseText,elementoId){
       
        var cadena =unescape(responseText);
        var objectResponse  = x_evalAjaxResponse(cadena) 	

        //alert(cadenaDelimitada);
        if (objectResponse['false']!="" || objectResponse['error']!="" ){
           /// global_vars[elementoId.substring(0 , elementoId.lastIndexOf('_'))].mensajeAjax(cadenaDelimitada);
            alert("No se pudo realizar la modificacion");
            if ($(elementoId).type == "text")
                $(elementoId+"_valor").innerHTML = $F(elementoId);
                
                
        }else {
            
            alert('Modificado con exito');
            
            if($(elementoId).type == "select-one"){
            $(elementoId.substring(0 , elementoId.lastIndexOf('_'))+"_valor").innerHTML = $(elementoId).options[$(elementoId).selectedIndex].text;
            }   
        }    
        
    }
    
    

	/**
	 *  Crea variables Spry widgets a partir de un elemento input 
	 *  con un tipo (integer,email...) y opciones (isRequired...) 
	 *  typeSpryte es el tipo de sprtyte (textFieldValidation)
	 *  options tiene que venir como un string pero con formato json "{minChars:3....}"
	 */   
	function x_createEditableDivs(elementId,descriptor,options,typeSpryte){
		var elemet = $F(elementId);
		var widgetsNames = elemet.split(';');
		var creator = "new "
		for(var i=0; i< widgetsNames.length;i++){
			
			if (widgetsNames[i] != ""){
			
				//widgetsNames[i] = widgetsNames[i].replace(/-/g, "_");
				
				//alert(widgetsNames[i]);
				
				creator = "var "+widgetsNames[i]+ " =  new " + typeSpryte + "('"+ widgetsNames[i] +"','"+descriptor+"',"+ options + ");";
				creator = creator + " global_vars[" + widgetsNames[i]+ ".getNombre()] = " + widgetsNames[i]+ ";";
			   // alert(creator);
				eval(creator);   
			}      
		}
			   
	}
    
    
    function x_createAutosuggests(){
    
        var inputs = $$(".autossugest_config");
        
        for(var i = 0; i < inputs.length; i++){
           
            try{
                //alert(inputs[i].value)
                //document.write(inputs[i].value);
                eval(inputs[i].value);
                
            }catch(err){                         
                
               // alert("ERROR:" + err.message);
               // return;
                
            }        
            
        }      
    
    }            
	
	
	function updateComboBox(caller, idelement, manager, metodo, cascade) {

		var index = caller.selectedIndex;
	    var id_selected = caller.options[index].value;
		
		if (cascade) cascade = 1;
		else cascade = 0;
		var params = 'action=1&manager='+manager+'&method='+metodo+'&idelement='+idelement+'&idcaller='+id_selected+'&cascade='+cascade;
		var idcontainer = idelement+'_combo';
		x_loadModule('common','getcombo',params, idcontainer, 'common');
		
	}
/**
 *  FRONT END FUNCTIONS
 *
 **/  
	    
    
    function doSuscribirse(responseText){
        var responseObject = x_evalAjaxResponse(responseText);
        
        if ( responseObject['true']!=""){
            alert("Gracias por suscribirte. \n Pronto tendras novedades  en tu casilla de correo.")
            $("suscripcion_email").value="";
        }else if  ( responseObject['false']!=""){
            alert("No se pudo realizar la suscripcion, tu correo ya se encuentra registrado");    
        }
    }
    
    
    function registrarse(){
        
        if($F("password_input") != $F("password_confirm_input")){
            
            alert("Las contraseñas no coinciden.")
            return false;
        
        } else{
        
            x_sendForm($("f_registro"),true,"doRegistrarse");
            
        }
        
    
    }
    
    
    function doRegistrarse(responseText){
        var responseObject = x_evalAjaxResponse(responseText);
        
        if ( responseObject['true']!=""){
            //alert(responseObject['true']);
            //window.location.reload();
            showRegistrarseOk();
        }else if  ( responseObject['false']!=""){
          
           $("error_registro").innerHTML = responseObject['false'];
           showErrorRegistrarse();  
        }
    } 
    
    
    function showRegistrarse() {       
        $("div_reg_error").hide();
        $("div_registrarse").show();
    
    } 
    
    function showErrorRegistrarse(){
        $("div_registrarse").hide();
        $("div_reg_error").show();    
    }  
    
    
    function showRegistrarseOk(){
        $("div_registrarse").hide();
        $("div_reg_ok").show();      
    }
    
    
    /*login*/
    
	function preLoginSHA1Web(){  
            
        if ($F("password_login")!="" && $F("email_login")!= ""){            
            $("password_login_hidden").value = Base64.encode(SHA1( $F("password_login") ));
            $("password_login").value = "";
            x_doAjaxCall("POST", $("f_login").action, $("f_login").serialize(), "doLoginWeb" ,"","", true,true );
            //x_sendForm($("f_login"),true,'doLoginWeb');            
        }
    
    }

	function preLoginSHA1WebAviso(){  
            
        if ($F("password_login_aviso")!="" && $F("email_login_aviso")){            
            $("password_login_hidden_aviso").value = Base64.encode(SHA1( $F("password_login_aviso") ));
            $("password_login_aviso").value = "";
            x_sendForm($("f_login_aviso"),true,'doLoginWeb');            
        }
    
    }    
    
	function preLoginSHA1WebComentario(form,passwordId){  
            
        if (x_validateForm(form)){            
            $(passwordId).value = Base64.encode(SHA1( $F(passwordId) ));
            x_sendForm(form,true,'doLoginWebComentario');
            $(passwordId).value="";
        }
    
    }

     
	function doLoginWeb(responseText) {
	        
      var cadena = x_evalAjaxResponse(responseText);
        if (cadena['false']!=""){
            alert(cadena['false']);
        }else if(cadena['true']!=""){
            window.location.reload();
        }
	}    

	function doLoginWebComentario(responseText) {
	        
      var cadena = x_evalAjaxResponse(responseText);
      if (cadena['false']!=""){
        x_assignMsgVars(cadena['false']);
      }else if(cadena['true']!=""){
            x_loadModule("comentarios","comentario","id="+$F("id")+"&tipo="+$F("tipo"),"win_content");
        }
	}    

    


    function doGuardarMisDatos(responseText){
        
        
        var cadena = x_evalAjaxResponse(responseText);
        
        if (cadena['false']!=""){
            x_assignMsgVars(cadena['false']);            
        }else{
        
            if ( cadena['true']!=""){
                alert(cadena['true']);
               // x_loadModule(mod[0],mod[1],params,'content');
            }else
                alert("Error: intentelo en unos instantes");
        }            
    } 
    


    function cambiarPass(){
        
        var formulario = $("f_cambiarpass");
        
        if (x_validateForm(formulario)) {	
            if ($F('password_input') != $F('password_confirm_input')){
                alert("Las contraseñas no coinciden");
                return;
            }else{
                $('password_confirm_input').value = "xxxxxxxx";
                $('password_hidden').value = Base64.encode(SHA1( $F('password_input') ));
                $('password_anterior_hidden').value = Base64.encode(SHA1( $F('password_anterior_input') ));
                $('password_input').value = "xxxxxxxx";
                $('password_anterior_input').value = "xxxxxxxx";
                
                x_sendForm(formulario,true,'doCambiarPass');
            }
        }
    }
    
    function doCambiarPass(responseText){

        $('password_input').value = "";
        $('password_anterior_input').value = "";
        $('password_confirm_input').value = "";
    
        var responseObject = x_evalAjaxResponse(responseText);
        
        if (responseObject['false']!=""){
            alert(responseObject['false']); 
                       
        }else{
            if ( responseObject['true']=="ok"){
                alert("Se actualizó con exito la contraseña");   
                          
            }            
        }          
    }  
    
    
    function cambiarRubroAviso(idcategoria){
        
        if (cat_auto[idcategoria] == 1){
            
            $("tr_hr").show();
            $("tr_marca").show();
            $("tr_anio").show();
            $("tr_estado").show();
            $("tr_combustible").show();
        
        }else{
            $("tr_hr").hide();
            $("tr_marca").hide();
            $("tr_anio").hide();
            $("tr_estado").hide();
            $("tr_combustible").hide();
        
        }
        calcularCostoAviso();
    }    
    
    function cambiarDomicilioAviso(estado){
        if (estado == 1){
            $("tr_domicilio").show();
            $("tr_horario").show();            
        }else{
            $("tr_domicilio").hide();
            $("tr_horario").hide();        
        }
    }
    
    
    function calcularCostoAviso(){
        
        var costo = 0;
        var idcategoria = $F("idcategoria");
        var idperiodo = $F("idperiodo");
        
        costo = cat_precio[idcategoria] * per_factor[idperiodo];
        
        if ($("destacado").checked){
            costo+= parseInt($F("costo_portada"));
        }
        
        $("costo_aviso").value = parseInt(costo);
    
    }
    
    function publicarAviso(){
        
        if ($("acepto_terminos").checked){
        
            if  (x_validateForm($("f_aviso"))){

                $("f_aviso").submit();                  

            }        
        }else{
            
            alert("Debe aceptar los terminos legales para publicar un aviso.");
        
        }
        
    
    }
	
	function validarBusqueda(){
		
		if ($F("texto_busq")=="" && $F("id_cat_busqueda") == -1){
			alert("Debe ingresar algun dato para realizar la busqueda")	;
			return false;
		}else{
			return true;	
		}
	}



/**
 *  Eliminar aviso.
 *
 **/  
 
    //baja
    function dropAviso(id,submodulo){
        
        if (confirm('Esta seguro que desea elimniar este aviso')){
       
            var url = controller+".php?";
            var params = "action=1&modulo=avisos&submodulo=drop&id="+id;
            x_doAjaxCall("POST", url, params, "doDropAviso" ,"'"+submodulo+"'","", true,true );
        }
    }

    
    function doDropAviso(responseText,submodulo){
        
        var responseObject = unescape(responseText);        

        if ( responseObject == "[true]eliminado[true]"){

            alert("Se ha eliminado con exito el aviso."); 
            x_loadModule("usuarios",submodulo,"","contenido");   

        }else{
            if ( responseObject =="[false]error[false]"){
                alert("Error: No se pudo eliminar el aviso, intentelo en unos instantes");
            }else{
                alert("Error: intentelo en unos instantes");
            }
        }            
    }
  

    function guardarAviso(submodulo){
        
        if  (x_validateForm($("f_editar_aviso"))){

                var url = controller+".php?action=1&modulo=avisos&submodulo=editar_aviso";
                var params = "&"+$("f_editar_aviso").serialize();           
                x_doAjaxCall("POST", url, params, "doGuardarAviso" ,"'"+submodulo+"'","", true,true );                    
            }
    }
    
    function doGuardarAviso(responseText,submodulo){
        
        var responseObject = unescape(responseText);        

        if ( responseObject == "[true]actualizado[true]"){

            alert("Se ha guardado con exito el aviso."); 
            //x_loadModule("avisos",submodulo,"","contenido");   

        }else{
            if ( responseObject =="[false]error[false]"){
                alert("Error: No se pudo guardar el aviso, intentelo en unos instantes");
            }else{
                alert("Error: Intentelo en unos instantes");
            }
        }            
    }    
       
       
    function renovarAviso(){

        if  (x_validateForm($("f_renovar_aviso"))){

                var url = controller+".php?action=1&modulo=avisos&submodulo=renovar_aviso";
                var params = "&"+$("f_renovar_aviso").serialize();           
                x_doAjaxCall("POST", url, params, "doRenovarAviso" ,"","", true,true );                    
            }
    
    }        
        
    function doRenovarAviso(responseText,submodulo){
        
        var responseObject = unescape(responseText);        

        if ( responseObject == "[true]renovado[true]"){

            alert("Se ha realizado la peticion de renovacion con exito."); 
            x_loadModule("usuarios","mis_avisos_pendientes","","contenido");   

        }else{
            if ( responseObject =="[false]error[false]"){
                alert("Error: No se pudo realizar la peticion de renovacion, intentelo en unos instantes");
            }else{
                alert("Error: Intentelo en unos instantes");
            }
        }            
    }          
        


    function resetPass(){
            
        if ($F("email_reset") != ""){
            var url = controller+".php?";
            x_doAjaxCall("POST", $("f_reset").action, $("f_reset").serialize(), "doResetPass" ,"","", true,true );
        }else{                
            alert("Debes ingresar tu email");            
        }
    }    
  
    function doResetPass(responseText){
    
        var response = unescape(responseText);        
        
        switch (response){
            case  "[false]no_existe[false]":
                alert("El email ingresado no se encuentra registrado");
            break;
            case "[false]no_reset[false]":
                alert("No se pudo enviar el email para restablecer tu contraseña, intentalo en unos instantes");
            break;
            case "[false]error[false]":
                alert("No se pudo enviar el email para restablecer tu contraseña, intentalo en unos instantes");
            break;    
            case "[true]ok[true]":
                alert("Se ha enviado un email con los detalles para restablecer la contraseña");
                $('div_reset').hide();$('div_login').show();
            break;                     
            
             
        }
                      
    }  


    function doRestartedPass(responseText){

        var response = unescape(responseText);        
        
        switch (response){
            case  "[false]La solicitud no valida[false]":
                alert("La solicitud ingresada no es valida");
            break;
            case "[false]El password se encuetra vacio[false]":
                alert("No se ha ingresado una contraseña");
            break;
            case "[false]error[false]":
                alert("Error al acutalizar la contraseña, por favor intentelo en unos instantes");
            break;    
            case "[true]actualizado_ok[true]":
                alert("Se ha actualizado con exito la contraseña");
                window.location.href = "http://www.misterventa.com"
            break;                     
             
        }    
    }
    
    
    function doRecibirAvisosCelular(responseText){

        var response = unescape(responseText);        
        
        switch (response){
            case "[false]error[false]":
                alert("Error al registrar tu numero, por favor intentelo en unos instantes");
            break;    
            case "[true]registrado[true]":
                alert("Gracias por registrarte al envio de avisos por celular."); 
                $("celular").value="";              
            break;                     
             
        }        
    
    }
/**
*
*  Secure Hash Algorithm (SHA1)
*  http://www.webtoolkit.info/
*
**/


//TODO: Anexar aqui todos los algoritmos Sha y MD5
function SHA1 (msg) {

	function rotate_left(n,s) {
		var t4 = ( n<<s ) | (n>>>(32-s));
		return t4;
	};

	function lsb_hex(val) {
		var str="";
		var i;
		var vh;
		var vl;

		for( i=0; i<=6; i+=2 ) {
			vh = (val>>>(i*4+4))&0x0f;
			vl = (val>>>(i*4))&0x0f;
			str += vh.toString(16) + vl.toString(16);
		}
		return str;
	};

	function cvt_hex(val) {
		var str="";
		var i;
		var v;

		for( i=7; i>=0; i-- ) {
			v = (val>>>(i*4))&0x0f;
			str += v.toString(16);
		}
		return str;
	};


	function Utf8Encode(string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}

		return utftext;
	};

	var blockstart;
	var i, j;
	var W = new Array(80);
	var H0 = 0x67452301;
	var H1 = 0xEFCDAB89;
	var H2 = 0x98BADCFE;
	var H3 = 0x10325476;
	var H4 = 0xC3D2E1F0;
	var A, B, C, D, E;
	var temp;

	msg = Utf8Encode(msg);

	var msg_len = msg.length;

	var word_array = new Array();
	for( i=0; i<msg_len-3; i+=4 ) {
		j = msg.charCodeAt(i)<<24 | msg.charCodeAt(i+1)<<16 |
		msg.charCodeAt(i+2)<<8 | msg.charCodeAt(i+3);
		word_array.push( j );
	}

	switch( msg_len % 4 ) {
		case 0:
			i = 0x080000000;
		break;
		case 1:
			i = msg.charCodeAt(msg_len-1)<<24 | 0x0800000;
		break;

		case 2:
			i = msg.charCodeAt(msg_len-2)<<24 | msg.charCodeAt(msg_len-1)<<16 | 0x08000;
		break;

		case 3:
			i = msg.charCodeAt(msg_len-3)<<24 | msg.charCodeAt(msg_len-2)<<16 | msg.charCodeAt(msg_len-1)<<8	| 0x80;
		break;
	}

	word_array.push( i );

	while( (word_array.length % 16) != 14 ) word_array.push( 0 );

	word_array.push( msg_len>>>29 );
	word_array.push( (msg_len<<3)&0x0ffffffff );


	for ( blockstart=0; blockstart<word_array.length; blockstart+=16 ) {

		for( i=0; i<16; i++ ) W[i] = word_array[blockstart+i];
		for( i=16; i<=79; i++ ) W[i] = rotate_left(W[i-3] ^ W[i-8] ^ W[i-14] ^ W[i-16], 1);

		A = H0;
		B = H1;
		C = H2;
		D = H3;
		E = H4;

		for( i= 0; i<=19; i++ ) {
			temp = (rotate_left(A,5) + ((B&C) | (~B&D)) + E + W[i] + 0x5A827999) & 0x0ffffffff;
			E = D;
			D = C;
			C = rotate_left(B,30);
			B = A;
			A = temp;
		}

		for( i=20; i<=39; i++ ) {
			temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0x6ED9EBA1) & 0x0ffffffff;
			E = D;
			D = C;
			C = rotate_left(B,30);
			B = A;
			A = temp;
		}

		for( i=40; i<=59; i++ ) {
			temp = (rotate_left(A,5) + ((B&C) | (B&D) | (C&D)) + E + W[i] + 0x8F1BBCDC) & 0x0ffffffff;
			E = D;
			D = C;
			C = rotate_left(B,30);
			B = A;
			A = temp;
		}

		for( i=60; i<=79; i++ ) {
			temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0xCA62C1D6) & 0x0ffffffff;
			E = D;
			D = C;
			C = rotate_left(B,30);
			B = A;
			A = temp;
		}

		H0 = (H0 + A) & 0x0ffffffff;
		H1 = (H1 + B) & 0x0ffffffff;
		H2 = (H2 + C) & 0x0ffffffff;
		H3 = (H3 + D) & 0x0ffffffff;
		H4 = (H4 + E) & 0x0ffffffff;

	}

	var temp = cvt_hex(H0) + cvt_hex(H1) + cvt_hex(H2) + cvt_hex(H3) + cvt_hex(H4);

	return temp.toLowerCase();

}

/**
*
*  Base64 encode / decode
*  http://www.webtoolkit.info/
*
**/

var Base64 = {

	// private property
	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

	// public method for encoding
	encode : function (input) {
		var output = "";
		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
		var i = 0;

		input = Base64._utf8_encode(input);

		while (i < input.length) {

			chr1 = input.charCodeAt(i++);
			chr2 = input.charCodeAt(i++);
			chr3 = input.charCodeAt(i++);

			enc1 = chr1 >> 2;
			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
			enc4 = chr3 & 63;

			if (isNaN(chr2)) {
				enc3 = enc4 = 64;
			} else if (isNaN(chr3)) {
				enc4 = 64;
			}

			output = output +
			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

		}

		return output;
	},

	// public method for decoding
	decode : function (input) {
		var output = "";
		var chr1, chr2, chr3;
		var enc1, enc2, enc3, enc4;
		var i = 0;

		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

		while (i < input.length) {

			enc1 = this._keyStr.indexOf(input.charAt(i++));
			enc2 = this._keyStr.indexOf(input.charAt(i++));
			enc3 = this._keyStr.indexOf(input.charAt(i++));
			enc4 = this._keyStr.indexOf(input.charAt(i++));

			chr1 = (enc1 << 2) | (enc2 >> 4);
			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
			chr3 = ((enc3 & 3) << 6) | enc4;

			output = output + String.fromCharCode(chr1);

			if (enc3 != 64) {
				output = output + String.fromCharCode(chr2);
			}
			if (enc4 != 64) {
				output = output + String.fromCharCode(chr3);
			}

		}

		output = Base64._utf8_decode(output);

		return output;

	},

	// private method for UTF-8 encoding
	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}

		return utftext;
	},

	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while ( i < utftext.length ) {

			c = utftext.charCodeAt(i);

			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}

		}

		return string;
	}

}

	// JavaScript Document for Ajax Functions


	/**
	* 	x_sendForm(Ex sendAndLoad) envía un formulario por por ajax
	*
	*	Valida primero que todos los requeridos y demas condiciones
	*
	* 	@author Sebastian Balestrini <sbalestrini@gmail.com>
	*	@author Emanuel del Barco <emanueldb@gmail.com>
	*	@version 2.0
	*
	*	@param form string ID del Formulario que se desea serializar y enviar a una url
	*	@param disable_button bool Valor que indica si al enviarse el formulario deben ponerse en disable los botones dle mismo
	*   @param url_script string Parametro opcional que indica la url a la cual se deben enviar los datos. Por defecto envia al action del mismo
	*   @param hide_form bool Indica que el formulario debe ocultarse durante el procesamiento
	*   @param txt_loading string Si el formulario es ocultado durnte su procesamiento se mostrara un txt_loading en su lugar
	*   @param func_js_end string Funcion JS que deberá ejecutarse al finalizar el envio de ajax del formulario
	*   @param params_js string Parametros de la función JS que se ejecutará al finalizar el envío del formulario
	*/
	function x_sendForm(form, disable_button, func_js_end, params_js, url_script, hide_form, txt_loading) {

		//TODO: ver de simplificar los parametros usando JSON
        if  (x_validateForm(form)){



            // Si no se reciben parametros se envia un string vacío. Params son parámetros de que serán pasados a la funcion func_completo
            if (typeof params_js =="undefined")
                params_js = "";

            // Si se envía un script se toma este como destino. en caso contrario se usa el action del form
            if (typeof url_script =="undefined" || url_script == "" ) {
                url_script = "";
                var url = form.action;
            }else
                var url = url_script;

            if (typeof disable_button == "undefined" || !disable_button)
                var enable_button = false;
            else{
                x_disableInupts("button");
                enable_button = true;
            }

            //fix wysiwyg
            var textAreas = $$(".xinha_textarea");
            
        //    alert(textAreas);
            
            for(var i = 0; i<textAreas.length;i++){
                updateTextAreas(textAreas[i].id);
            }


            // creacion del objeto ajax y llamada a la accion
            x_doAjaxCall("post",url,x_serializeForm(form),func_js_end,"'"+params_js+"'","doError", true,enable_button) ;
        }

        return;
	}

	/**
	* 	Ejecuta una ena llamada mediante AJAX
	*
	*	@author Sebastian Balestrini <sbalestrini@gmail.com>
	*	@author Emanuel del Barco <emanueldb@gmail.com>
	* 	@version 1.0
	*
	*	params method: GET o POST
	* 	url: El archivo php q nos va a responder el ajax
	* 	parametros: Array tipo GET PHP.
	* 	func_completo funcion q se va a ejecutar en el onComplete del ajax
	* 	params_func son los parametros opcioneales q le podemos mandar a  func_completo tienen que estar separados x coma
	* 	ej: 'param1','param2' si es string tiene que tener ''
	* 	func_error funcion de error
	* 	asincrono boolean que indica si se llamara al AJAX de moso Asincrono o Sincrono
	* 	enble_button boolean que indica si hay que habilitar los botones del form
	*/
	function x_doAjaxCall(method, url, params, func_completo,params_func,func_error, asincrono,enable_button ){

		//TODO: Podríamos hacaer que se pueda recibir mas de una funcion, es decir un arreglo de string de funciones con sus respectivos parametros. Por defecto a la primera se le evnia el retorno del AJAX

		// Por defecto la llamada es asincrona
		if(asincrono==false)
			asincrono = false;
		else
			asincrono = true;



		var result = new String();
		var objetoAjax = new Ajax.Request(
			url,
			{
				method: method,
				parameters: params+"&fromajax=1",
				onLoading : function (){ x_showLoading();},
				onSuccess : function (){ x_hideLoading();},
				onComplete: function(transport) {
				var strFuncionCompleta = func_completo;
				//Armamos la llamada a la función de retorno
				if (params_func =="") {
					strFuncionCompleta= strFuncionCompleta +"('"+escape(transport.responseText)+"')";
				} else {
					strFuncionCompleta= strFuncionCompleta +"('"+escape(transport.responseText)+"',"+params_func+")";
				}
				result = eval(strFuncionCompleta);


				if (enable_button)
				    x_enableInupts("button");


				},
				onFailure:  func_error,
				asynchronous : asincrono
			});

		return result;
	}



	/**
	*
	*  x_serializeForm Dado un form arma un string con forma de parametro GET de php
	*  Esta funcion actualmente se encuentra prototipada pero se escribe para prever alguna modificacion o sobrecarga futura.
	* 	@author Sebastian Balestrini <sbalestrini@gmail.com>
	*	@author Emanuel del Barco <emanueldb@gmail.com>
	*/
	function x_serializeForm(form){
		var params ="";
		params = form.serialize();
		return params+"&ms="+new Date().getTime();
	}

	/**
	*   Evalua una respuesta de un php Abierto x un ajax
	*
	*	params:retorno string, cadenaEvaluacion retorno del ajax limpio
	*
	* 	@author Sebastian Balestrini <sbalestrini@gmail.com>
	*	@author Emanuel del Barco <emanueldb@gmail.com>
	*
	*/
	function x_evalAjaxResponse(evalText){

		// TODO: Esto debe cambiar. Se deben  definir todos los posibles retornos y posteriormente su tratamiento
		var retorno=  new Object();
		retorno['false'] = x_extractBetween(evalText,'[false]')
		retorno['true']  = x_extractBetween(evalText,'[true]');
		retorno['msg']  =  x_extractBetween(evalText,'[msg]');
		retorno['alert'] = x_extractBetween(evalText,'[alert]');
		retorno['spry']  = x_extractBetween(evalText,'[spry]');
		retorno['error']  = x_extractBetween(evalText,'[error]');
		return retorno;
	}


	/*
	*   Extrae una cadena segun un delimitador

	*	@author Emanuel del Barco <emanueldb@gmail.com>
	*/
	function x_extractBetween(evalText,delimiter) {
		var data = new String(unescape(evalText));
		var begin =data.indexOf(delimiter)+delimiter.length;

		if (begin > 0){
			var data_t= data.substring(begin,data.length);
			var end = data_t.indexOf(delimiter);
			if (end>0)  {
				return data = data_t.substring(0,end);
			} else {
				return '';
			}
		} else {
			return '';
		}
	}

	/**
	*   Una vez obtenida la cadena limpia con x_evalAjaxResponse
	*   se retorna un array asociatovio con el error o la variable que sea y el
	*   valor de la siguiente manera variable =  valor. Variable deberia estar
	*   creada.
	*
	*	@author Emanuel del Barco <emanueldb@gmail.com>
	*
	*/
	function x_ajaxResponseToArray(cadenaArray){
		var arrayResult = new Object();

		var arrayVariables = cadenaArray.split('&');

		for (var i=0 ; i < arrayVariables.length ;i++ ){

			corte = arrayVariables[i].split("=");
			if (corte.length>1){
				var indice = ""+corte[0];
				arrayResult[indice] = trim(corte[1]);
			}
		}

		return arrayResult;
	}

	/**
    * Recorre todas las variables en cadena y asigna el mesaje corresponidente
    * a cada una. Se utiliza para los Spry
	*
	* 	@author Sebastian Balestrini <sbalestrini@gmail.com>
	*	@author Emanuel del Barco <emanueldb@gmail.com>
    */
	function x_assignMsgVars(cadena){
		var mensajes = new Object();
		mensajes = x_ajaxResponseToArray(cadena);
		for ( keyVar in mensajes ) {
				global_vars[keyVar].mensajeAjax(mensajes[keyVar],'');
		}
	}

	/**
	* Llama al metodo validate de todas las variables widgets.
	*
	* 	@author Sebastian Balestrini <sbalestrini@gmail.com>
	*	@author Emanuel del Barco <emanueldb@gmail.com>
	*/
	 function x_validateForm(formulario){
		var retorno = true;
		for ( keyVar in global_vars ) {

				if (formulario.elements[keyVar])  {

					if (!formulario.elements[keyVar].disabled ){

						if (!global_vars[keyVar].validate()) {
							retorno = false;
						}
					}
				}
		}
		return retorno;
	}

	/**
	*
	*  	muestra el mensaje de Cargando
	*
	* 	@author Sebastian Balestrini <sbalestrini@gmail.com>
	*	@author Emanuel del Barco <emanueldb@gmail.com>
	*/
    function x_showLoading(){

        if ($('loading')){
            $('loading').show();
        }

    }

	/**
    *
    *  Oculta el mensaje de cargando
	*
	* 	@author Sebastian Balestrini <sbalestrini@gmail.com>
	*	@author Emanuel del Barco <emanueldb@gmail.com>
    */
    function x_hideLoading(){

        if ($('loading')){
            $('loading').hide();
        }
    }


	/**
	*	Realiza la carga de un modulo solicitado en un div determinado (destination_id)
	*	Se considera un modulo una entidad dividida en tres:
	*		- HTML (presentacion)
	*		- PHP (Logica del modulo)
	*		- JS (JS propio del modulo)
	*
	* 	@author Sebastian Balestrini <sbalestrini@gmail.com>
	*/
	function x_loadModule(module,submodule, params, destination_id, this_controller) {

		//TODO: realizar version 2.0 con parametros extras donde se pueda setear si se oculta el div.. si se muestra un mensaje.. si se ejecuta alguna funcion.. etc.
		global_vars = new Object();
				
		// Si no se recibe un controller se utiliza el de la vista que hizo la llamada
		if (typeof this_controller =="undefined") {
			 var url = controller+".php?";
		} else {
			var url = this_controller+".php?";
		}			
       
		var parametros_new = "modulo="+module+"&"+"submodulo="+submodule+"&"+params+"&fromajax=1&";

		var result = new String();

			var objetoAjax = new Ajax.Request(
				url,
				{
					method: 'POST',
					parameters: parametros_new,
					onLoading : function (){ x_showLoading();},
					onSuccess : function (){ x_hideLoading();},
					onComplete: function(transport) {

									// Realizamos la carga del modulo
									x_showModule(escape(transport.responseText), destination_id);
									// Cargamos el Archivo JS correspondinte al modulo
									//x_loadJs("core/helpers/help.filesystem.php?request=javascript_exist&module="+module+"&submodule="+submodule) ;
									x_loadJs("common.php?action=1&helper=filesystem&request=javascript_exist&module="+module+"&submodule="+submodule+"&controller="+controller) ;
					},
					onFailure:  "doError",
					asynchronous : true
				});

			return result;
	}



	/**
	*
	*  x_showModule Funcion que carga por AJAX un Modulo HTML
	*  Nos quedamos en la misma página. No redireccionamos. Solo cambiamos el contenido del id=destino
	*
	* 	@author Sebastian Balestrini <sbalestrini@gmail.com>
	*/
	function x_showModule(responseText, destino){
		//TODO: cambiar el nombre a showContentIntoDiv() o similar para darle mas de un uso
		$(destino).innerHTML = unescape(responseText);

		return  ;
	}

	/**
	* Carga un Js nuevo en la pagina
	*
	* 	@author Sebastian Balestrini <sbalestrini@gmail.com>
	*
	*/
	function x_loadJs(script) {

        var objetoAjax = new Ajax.Request(
        	script,
        	{
        		method: 'GET',
        		parameters: "",
        		onComplete: function(transport) {

                        	if (transport.responseText != "") {

                        		fileref ="";
                        		fileref=document.createElement('script');
                        		fileref.setAttribute("type","text/javascript");
                        		fileref.setAttribute("src", transport.responseText);
                        		document.getElementsByTagName("head").item(0).appendChild(fileref);
                        	}
        		},
        		onFailure:  "doError",
        		asynchronous : true
        	});


	}

    /**
     *  Maneja las distintas respuesta de un script
     *  Errores, mensajes, alertas...etc.
     *  Tambien asigna si existen los mensajes spry
     *
     *   @author Emanuel del Barco <emanueldb@gmail.com>
     *
     */
	function x_processResponse(responseText){

        var responseObject = new Object();

        responseObject = x_evalAjaxResponse(responseText);

        if (responseObject['true']){
            x_showMsg(responseObject['true'],'true');
        }else if (responseObject['msg']){
            x_showMsg(responseObject['msg'],'msg');
        }else if (responseObject['alert']){
            x_showMsg(responseObject['alert'],'alert');
        }else if (responseObject['false']){
            x_showMsg(responseObject['false'],'false');
        }else if (responseObject['spry']){
            x_assignMsgVars(responseObject['spry']);
        }

        return;
    }


    function sortElements(secuence,type){

        var secuenceSorted=Sortable.sequence($(secuence));
        x_doAjaxCall("post","common.php?action=1&modulo=common&submodulo=sort","secuencia="+secuenceSorted+"&tipo="+type,doSortElements,"","",true,false) ;

    }

    function doSortElements(responseText){
        //codigo aqui
        ;
    }



	/**
	*  Habilita/Deshabilita un determinado grupo de inputs segul el parametro state
	*
	* 	@author Emanuel del Barco <emanueldb@gmail.com>
	*
	*/

	function x_disableInupts(TypeInput){

        var elements = $$('input');

        for(var i=0;i < elements.length;i++ )
            if (elements[i].type == TypeInput)
                elements[i].disabled = true;

    }

	/**
	*  Habilita/Deshabilita un determinado grupo de inputs segul el parametro state
	*
	* 	@author Emanuel del Barco <emanueldb@gmail.com>
	*
	*/

	function x_enableInupts(TypeInput){

        var elements = $$('input');

        for(var i=0;i < elements.length;i++ )
            if (elements[i].type == TypeInput)
                elements[i].disabled = false;

    }

	/**
	 *  Funciones generales javascript.
	 *
	 *
	 *
	 */    
 

	function doLogin(form_id, username_id, passowrd_id, method, base64_encode, url_script) {
			
		// TODO: Debe hacer una llamada por ajax de login al script o al action del formulairo. Method es un parametro que indica el algoritmo de codificacion. base64_encode es bool que indica si se envia encodado o no la info.
		
		
	}

	//TODO: Anexar todo lo necesario para upload de files con ajax
	
	/********************************
	*
	*	Manejo de Strings
	*
	*********************************/
	// Removes leading whitespaces
	function LTrim( value ) {
		
		var re = /\s*((\S+\s*)*)/;
		return value.replace(re, "$1");
		
	}
	
	// Removes ending whitespaces
	function RTrim( value ) {
		
		var re = /((\s*\S+)*)\s*/;
		return value.replace(re, "$1");
		
	}
	
	// Removes leading and ending whitespaces
	function trim( value ) {
		
		return LTrim(RTrim(value));
		
	}	
	
	

	/********************************
	*
	*	Manejo de Pantalla
	*
	*********************************/

	//Ancho del win
	function windowWidth(){
	  if (parseInt(navigator.appVersion)>3) {
	   if (navigator.appName=="Netscape") {
		winW = window.innerWidth;
	   //winH = window.innerHeight;
	   }
	   if (navigator.appName.indexOf("Microsoft")!=-1) {
		winW = document.body.offsetWidth;
		//winH = document.body.offsetHeight;
	   }
	  }
	  return winW;
	}
	//<--


	//Alto del win
	function windowHeight(){
	  if (parseInt(navigator.appVersion)>3) {
	   if (navigator.appName=="Netscape") {
		winH = window.innerHeight;
	   //winH = window.innerHeight;
	   }
	   if (navigator.appName.indexOf("Microsoft")!=-1) {
		winH = document.body.offsetHeight;
		//winH = document.body.offsetHeight;
	   }
	  }
	  return winH;
	}
	//<--

	//Tamaño del Scroll en Y
	function getScrollY() {
	  var scrOfY = 0;
	  if( typeof( window.pageYOffset ) == 'number' ) {
		//Netscape
		scrOfY = window.pageYOffset;
	  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
		//DOM 
		scrOfY = document.body.scrollTop;
	  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
		//IE6 bill
		scrOfY = document.documentElement.scrollTop;
	  }
	  return  scrOfY;
	}
	

	/********************************
	*
	*	Funciones de Imagenes
	*
	*********************************/

	function MM_preloadImages() { //v3.0
	  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
		if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
	}


	/********************************
	*
	*	Funciones de HTML
	*
	*********************************/
	
	
	function MM_findObj(n, d) { //v4.01
	  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	  if(!x && d.getElementById) x=d.getElementById(n); return x;
	}

	function MM_nbGroup(event, grpName) { //v6.0
	  var i,img,nbArr,args=MM_nbGroup.arguments;
	  if (event == "init" && args.length > 2) {
		if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
		  img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
		  if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
		  nbArr[nbArr.length] = img;
		  for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
			if (!img.MM_up) img.MM_up = img.src;
			img.src = img.MM_dn = args[i+1];
			nbArr[nbArr.length] = img;
		} }
	  } else if (event == "over") {
		document.MM_nbOver = nbArr = new Array();
		for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
		  if (!img.MM_up) img.MM_up = img.src;
		  img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
		  nbArr[nbArr.length] = img;
		}
	  } else if (event == "out" ) {
		for (i=0; i < document.MM_nbOver.length; i++) {
		  img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
	  } else if (event == "down") {
		nbArr = document[grpName];
		if (nbArr)
		  for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
		document[grpName] = nbArr = new Array();
		for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
		  if (!img.MM_up) img.MM_up = img.src;
		  img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
		  nbArr[nbArr.length] = img;
	  } }
	}



    function x_evaluateIntroKey(e){
    
        if(e && e.which){ //mozilla
            e = e
            characterCode = e.which 
        }
        else {
            if (typeof event =="undefined")
                return;
            e = event
            characterCode = e.keyCode //IE
        }
     
        if(characterCode == 13)
            return true;
        else
            return false;
    
    }


    function x_runJS(container){
    
        
        if (typeof container == "undefined"){        
            var elements = $$(".js_code");
       }else{
            var elements = $$("#"+container+" .js_code");
       }                
        
        
        var code = "";
        var parent = ""
        for(var i=0; i<elements.length;i++){
            //fix para urls
            code =  elements[i].innerHTML.replace(/&amp;/gi, "&");                         
            try{
                eval(code);
            }catch(err){
                alert(code);
                alert(err.message);
            }
            
            //borra el elemento js_code
            parent = elements[i].parentNode;
            parent.removeChild( elements[i]);
            
        }
        
        
    }
	


	function hideStars()
	{
		$("rankingBar" ).style.width = "0px";
	}
	
	function showStars()
	{   
		$("rankingBar" ).style.width = $F('promedio') * 19 + "px";
	}
 
 
    function updateTextAreas(idTextArea){
        
        
        if (typeof Xinha != "undefined"){
            var editor = Xinha.getEditor(idTextArea);
            var html = editor.getEditorContent();
            $(idTextArea).value = html;
            return true;
        }else{
            return false;
        } 
    
    }
 

// SpryValidationTextField.js - version 0.33 - Spry Pre-Release 1.5
//
// Copyright (c) 2006. Adobe Systems Incorporated.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of Adobe Systems Incorporated nor the names of its
//     contributors may be used to endorse or promote products derived from this
//     software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

var Spry;
if (!Spry) Spry = {};
if (!Spry.Widget) Spry.Widget = {};

Spry.Widget.BrowserSniff = function() {
	var b = navigator.appName.toString();
	var up = navigator.platform.toString();
	var ua = navigator.userAgent.toString();

	this.mozilla = this.ie = this.opera = r = false;
	var re_opera = /Opera.([0-9\.]*)/i;
	var re_msie = /MSIE.([0-9\.]*)/i;
	var re_gecko = /gecko/i;
	var re_safari = /safari\/([\d\.]*)/i;
	
	if (ua.match(re_opera)) {
		r = ua.match(re_opera);
		this.opera = true;
		this.version = parseFloat(r[1]);
	} else if (ua.match(re_msie)) {
		r = ua.match(re_msie);
		this.ie = true;
		this.version = parseFloat(r[1]);
	} else if (ua.match(re_safari)) {
		this.safari = true;
		this.version = 1.4;
	} else if (ua.match(re_gecko)) {
		var re_gecko_version = /rv:\s*([0-9\.]+)/i;
		r = ua.match(re_gecko_version);
		this.mozilla = true;
		this.version = parseFloat(r[1]);
	}
	this.windows = this.mac = this.linux = false;

	this.Platform = ua.match(/windows/i) ? "windows" :
					(ua.match(/linux/i) ? "linux" :
					(ua.match(/mac/i) ? "mac" :
					ua.match(/unix/i)? "unix" : "unknown"));
	this[this.Platform] = true;
	this.v = this.version;

	if (this.safari && this.mac && this.mozilla) {
		this.mozilla = false;
	}
};

Spry.is = new Spry.Widget.BrowserSniff();

Spry.Widget.ValidationTextField = function(element, type, options)
{
	type = Spry.Widget.Utils.firstValid(type, "none");
	if (typeof type != 'string') {
		return;
	}
	if (typeof Spry.Widget.ValidationTextField.ValidationDescriptors[type] == 'undefined') {
		return;
	}
	options = Spry.Widget.Utils.firstValid(options, {});
	this.type = type;
	if (!this.isBrowserSupported()) {
		//disable character masking and pattern behaviors for low level browsers
		options.useCharacterMasking = false;
	}
	this.init(element, options);

	//make sure we validate at least on submit
	var validateOn = ['submit'].concat(Spry.Widget.Utils.firstValid(this.options.validateOn, []));
	validateOn = validateOn.join(",");

	this.validateOn = 0;
	this.validateOn = this.validateOn | (validateOn.indexOf('submit') != -1 ? Spry.Widget.ValidationTextField.ONSUBMIT : 0);
	this.validateOn = this.validateOn | (validateOn.indexOf('blur') != -1 ? Spry.Widget.ValidationTextField.ONBLUR : 0);
	this.validateOn = this.validateOn | (validateOn.indexOf('change') != -1 ? Spry.Widget.ValidationTextField.ONCHANGE : 0);

	if (Spry.Widget.ValidationTextField.onloadDidFire)
		this.attachBehaviors();
	else
		Spry.Widget.ValidationTextField.loadQueue.push(this);
};

Spry.Widget.ValidationTextField.ONCHANGE = 1;
Spry.Widget.ValidationTextField.ONBLUR = 2;
Spry.Widget.ValidationTextField.ONSUBMIT = 4;

Spry.Widget.ValidationTextField.ERROR_REQUIRED = 1;
Spry.Widget.ValidationTextField.ERROR_FORMAT = 2;
Spry.Widget.ValidationTextField.ERROR_RANGE_MIN = 4;
Spry.Widget.ValidationTextField.ERROR_RANGE_MAX = 8;
Spry.Widget.ValidationTextField.ERROR_CHARS_MIN = 16;
Spry.Widget.ValidationTextField.ERROR_CHARS_MAX = 32;

/* validation parameters:
 *  - characterMasking : prevent typing of characters not matching an regular expression
 *  - regExpFilter : additional regular expression to disalow typing of characters 
 *		(like the "-" sign in the middle of the value); use for partial matching of the currently typed value;
 * 		the typed value must match regExpFilter at any moment
 *  - pattern : enforce character on each position inside a pattern (AX0?)
 *  - validation : function performing logic validation; return false if failed and the typedValue value on success
 *  - minValue, maxValue : range validation; check if typedValue inside the specified range
 *  - minChars, maxChars : value length validation; at least/at most number of characters
 * */
Spry.Widget.ValidationTextField.ValidationDescriptors = {
	'none': {
	},
	'custom': {
	},
	'text': {
		validation: function(value, options) {
			var rx = /^[ñÑ\w][ñÑ\w]*/; // solo caracteres alfanumericos
			return rx.test(value);
		}
	},	
	'username': {
		validation: function(value, options) {
			var rx = /^[\w][\w]*/; // solo caracteres alfanumericos
			return rx.test(value);
		}
	},
	'password': {
		validation: function(value, options) {
			var rx = /^[\w][\w]*/; // solo caracteres alfanumericos
			return rx.test(value);
		}
	},	
	'integer': {
		characterMasking: /[\-\+\d]/,
		regExpFilter: /^[\-\+]?\d*$/,
		validation: function(value, options) {
			if (value == '' || value == '-' || value == '+') {
				return false;
			}
			var regExp = /^[\-\+]?\d*$/;
			if (!regExp.test(value)) {
				return false;
			}
			options = options || {allowNegative:false};
			var ret = parseInt(value, 10);
			if (!isNaN(ret)) {
				var allowNegative = true;
				if (typeof options.allowNegative != 'undefined' && options.allowNegative == false) {
					allowNegative = false;
				}
				if (!allowNegative && value < 0) {
					ret = false;
				}
			} else {
				ret = false;
			}
			return ret;
		}
	},
	'real': {
		characterMasking: /[\d\.,\-\+e]/i,
		regExpFilter: /^[\-\+]?\d(?:|\.,\d{0,2})|(?:|e{0,1}[\-\+]?\d{0,})$/i,
		validation: function (value, options) {
			var regExp = /^[\+\-]?[0-9]+([\.,][0-9]+)?([eE]{0,1}[\-\+]?[0-9]+)?$/;
			if (!regExp.test(value)) {
				return false;
			}
			var ret = parseFloat(value);
			if (isNaN(ret)) {
				ret = false;
			}
			return ret;
		}
	},
	'currency': {
		formats: {
			'dot_comma': {
				characterMasking: /[\d\.\,\-\+\$]/,
				regExpFilter: /^[\-\+]?(?:[\d\.]*)+(|\,\d{0,2})$/,
				validation: function(value, options) {
					var ret = false;
					//2 or no digits after the comma
					if (/^(\-|\+)?\d{1,3}(?:\.\d{3})*(?:\,\d{2}|)$/.test(value) || /^(\-|\+)?\d+(?:\,\d{2}|)$/.test(value)) {
						value = value.toString().replace(/\./gi, '').replace(/\,/, '.');
						ret = parseFloat(value);
					}
					return ret;
				}
			},
			'comma_dot': {
				characterMasking: /[\d\.\,\-\+\$]/,
				regExpFilter: /^[\-\+]?(?:[\d\,]*)+(|\.\d{0,2})$/,
				validation: function(value, options) {
					var ret = false;
					//2 or no digits after the comma
					if (/^(\-|\+)?\d{1,3}(?:\,\d{3})*(?:\.\d{2}|)$/.test(value) || /^(\-|\+)?\d+(?:\.\d{2}|)$/.test(value)) {
						value = value.toString().replace(/\,/gi, '');
						ret = parseFloat(value);
					}
					return ret;
				}
			}
		}
	},
	'email': {
		characterMasking: /[^\s]/,
		validation: function(value, options) {
			var rx = /^[\w\.-]+@[\w\.-]+\.\w+$/i;
			return rx.test(value);
		}
	},
	'date': {
		validation: function(value, options) {
			var formatRegExp = /^([mdy]+)[\.\-\/\\\s]+([mdy]+)[\.\-\/\\\s]+([mdy]+)$/i;
			var valueRegExp = this.dateValidationPattern;
			var formatGroups = options.format.match(formatRegExp);
			var valueGroups = value.match(valueRegExp);
			if (formatGroups !== null && valueGroups !== null) {
				var dayIndex = -1;
				var monthIndex = -1;
				var yearIndex = -1;
				for (var i=1; i<formatGroups.length; i++) {
					switch (formatGroups[i].toLowerCase()) {
						case "dd":
							dayIndex = i;
							break;
						case "mm":
							monthIndex = i;
							break;
						case "yy":
						case "yyyy":
							yearIndex = i;
							break;
					}
				}
				if (dayIndex != -1 && monthIndex != -1 && yearIndex != -1) {
					var maxDay = -1;
					var theDay = parseInt(valueGroups[dayIndex], 10);
					var theMonth = parseInt(valueGroups[monthIndex], 10);
					var theYear = parseInt(valueGroups[yearIndex], 10);

					// Check month value to be between 1..12
					if (theMonth < 1 || theMonth > 12) {
						return false;
					}
					
					// Calculate the maxDay according to the current month
					switch (theMonth) {
						case 1:	// January
						case 3: // March
						case 5: // May
						case 7: // July
						case 8: // August
						case 10: // October
						case 12: // December
							maxDay = 31;
							break;
						case 4:	// April
						case 6: // Juna
						case 9: // September
						case 11: // November
							maxDay = 30;
							break;
						case 2: // February
							if ((parseInt(theYear/4, 10) * 4 == theYear) && (theYear % 100 != 0 || theYear % 400 == 0)) {
								maxDay = 29;
							} else {
								maxDay = 28;
							}
							break;
					}

					// Check day value to be between 1..maxDay
					if (theDay < 1 || theDay > maxDay) {
						return false;
					}
					
					// If successfull we'll return the date object
					return (new Date(theYear, theMonth, theDay));
				}
			} else {
				return false;
			}
		}
	},
	'time': {
		validation: function(value, options) {
			//	HH:MM:SS T
			var formatRegExp = /([hmst]+)/gi;
			var valueRegExp = /(\d+|AM?|PM?)/gi;
			var formatGroups = options.format.match(formatRegExp);
			var valueGroups = value.match(valueRegExp);
			//mast match and have same length
			if (formatGroups !== null && valueGroups !== null) {
				if (formatGroups.length != valueGroups.length) {
					return false;
				}

				var hourIndex = -1;
				var minuteIndex = -1;
				var secondIndex = -1;
				//T is AM or PM
				var tIndex = -1;
				var theHour = 0, theMinute = 0, theSecond = 0, theT = 'AM';
				for (var i=0; i<formatGroups.length; i++) {
					switch (formatGroups[i].toLowerCase()) {
						case "hh":
							hourIndex = i;
							break;
						case "mm":
							minuteIndex = i;
							break;
						case "ss":
							secondIndex = i;
							break;
						case "t":
						case "tt":
							tIndex = i;
							break;
					}
				}
				if (hourIndex != -1) {
					var theHour = parseInt(valueGroups[hourIndex], 10);
					if (isNaN(theHour) || theHour > (formatGroups[hourIndex] == 'HH' ? 23 : 12 )) {
						return false;
					}
				}
				if (minuteIndex != -1) {
					var theMinute = parseInt(valueGroups[minuteIndex], 10);
					if (isNaN(theMinute) || theMinute > 59) {
						return false;
					}
				}
				if (secondIndex != -1) {
					var theSecond = parseInt(valueGroups[secondIndex], 10);
					if (isNaN(theSecond) || theSecond > 59) {
						return false;
					}
				}
				if (tIndex != -1) {
					var theT = valueGroups[tIndex].toUpperCase();
					if (
						formatGroups[tIndex].toUpperCase() == 'TT' && !/^a|pm$/i.test(theT) || 
						formatGroups[tIndex].toUpperCase() == 'T' && !/^a|p$/i.test(theT)
					) {
						return false;
					}
				}
				var date = new Date(2000, 0, 1, theHour + (theT.charAt(0) == 'P'?12:0), theMinute, theSecond);
				return date;
			} else {
				return false;
			}
		}
	},
	'credit_card': {
		characterMasking: /\d/,
		validation: function(value, options) {
			var regExp = null;
			options.format = options.format || 'ALL';
			switch (options.format.toUpperCase()) {
				case 'ALL': regExp = /^[3-6]{1}[0-9]{12,15}$/; break;
				case 'VISA': regExp = /^4[0-9]{12,15}$/; break;
				case 'MASTERCARD': regExp = /^5[1-5]{1}[0-9]{14}$/; break;
				case 'AMEX': regExp = /^3(4|7){1}[0-9]{13}$/; break;
				case 'DISCOVER': regExp = /^6011[0-9]{12}$/; break;
				case 'DINERSCLUB': regExp = /^3((0[0-5]{1}[0-9]{11})|(6[0-9]{12})|(8[0-9]{12}))$/; break;
			}
			if (!regExp.test(value)) {
				return false;
			}
			var digits = [];
			var j = 1, digit = '';
			for (var i = value.length - 1; i >= 0; i--) {
				if ((j%2) == 0) {
					digit = parseInt(value.charAt(i), 10) * 2;
					digits[digits.length] = digit.toString().charAt(0);
					if (digit.toString().length == 2) {
						digits[digits.length] = digit.toString().charAt(1);
					}
				} else {
					digit = value.charAt(i);
					digits[digits.length] = digit;
				}
				j++;
			}
			var sum = 0;
			for(i=0; i < digits.length; i++ ) {
				sum += parseInt(digits[i], 10);
			}
			if ((sum%10) == 0) {
				return true;
			}
			return false;
		}
	},
	'zip_code': {
		formats: {
			'zip_us9': {
				pattern:'00000-0000'
			},
			'zip_us5': {
				pattern:'00000'
			},
			'zip_uk': {
				characterMasking: /[\dA-Z\s]/,
				validation: function(value, options) {
					//check one of the following masks
					// AN NAA, ANA NAA, ANN NAA, AAN NAA, AANA NAA, AANN NAA
					return /^[A-Z]{1,2}\d[\dA-Z]?\s?\d[A-Z]{2}$/.test(value);
				}
			},
			'zip_canada': {
				characterMasking: /[\dA-Z\s]/,
				pattern: 'A0A 0A0'
			},
			'zip_custom': {}
		}
	},
	'phone_number': {
		formats: {
			//US phone number; 10 digits
			'phone_us': {
				pattern:'(000) 000-0000'
			},
			'phone_custom': {}
		}
	},
	'social_security_number': {
		pattern:'000-00-0000'
	},
	'ip': {
		characterMaskingFormats: {
			'ipv4': /[\d\.]/i,
			'ipv6_ipv4': /[\d\.\:A-F\/]/i,
			'ipv6': /[\d\.\:A-F\/]/i
		},
		validation: function (value, options) {
			return Spry.Widget.ValidationTextField.validateIP(value, options.format);
		}
	},

	'url': {
		characterMasking: /[^\s]/,
		validation: function(value, options) {
			//fix for ?ID=223429 and ?ID=223387
			/* the following regexp matches components of an URI as specified in http://tools.ietf.org/html/rfc3986#page-51 page 51, Appendix B.
				scheme    = $2
				authority = $4
				path      = $5
				query     = $7
				fragment  = $9
			*/
			var URI_spliter = /^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?/;
			var parts = value.match(URI_spliter);
			if (parts && parts[4]) {
				//encode each component of the domain name using Punycode encoding scheme: http://tools.ietf.org/html/rfc3492
				var host  = parts[4].split(".");
				var punyencoded = '';
				for (var i=0; i<host.length; i++) {
					punyencoded = Spry.Widget.Utils.punycode_encode(host[i], 64);
					if (!punyencoded) {
						return false;
					} else {
						if (punyencoded != (host[i] + "-")) {
							host[i] = 'xn--' + punyencoded;
						}
					}
				}
				host = host .join(".");
				//the encoded domain name is replaced into the original URL to be validated again later as URL
				value = value.replace(URI_spliter, "$1//" + host + "$5$6$8");
			}

			//fix for ?ID=223358 and ?ID=223594
			//the following validates an URL using ABNF rules as defined in http://tools.ietf.org/html/rfc3986 , Appendix A., page 49
			//except host which is extracted by match[1] and validated separately
			/*
			 * userinfo=	(?:(?:[a-z0-9\-\._~\!\$\&\'\(\)\*\+\,\;\=:]|%[0-9a-f]{2,2})*\@)?
			 * host=			(?:((?:(?:[a-z0-9][a-z0-9\-]*[a-z0-9]|[a-z0-9])\.)*(?:[a-z][a-z0-9\-]*[a-z0-9]|[a-z])|(?:\[[^\]]*\]))
			 * pathname=	(?:\/(?:[a-z0-9\-\._~\!\$\&\'\(\)\*\+\,\;\=\:\@]|%[0-9a-f]{2,2})*)*
			 * query=			(?:\?(?:[a-z0-9\-\._~\!\$\&\'\(\)\*\+\,\;\=\:\@\/\?]|%[0-9a-f]{2,2})*)?
			 * anchor=		(?:\#(?:[a-z0-9\-\._~\!\$\&\'\(\)\*\+\,\;\=\:\@\/\?]|%[0-9a-f]{2,2})*)?
			 */
			var regExp = /^(?:https?|ftp)\:\/\/(?:(?:[a-z0-9\-\._~\!\$\&\'\(\)\*\+\,\;\=:]|%[0-9a-f]{2,2})*\@)?(?:((?:(?:[a-z0-9][a-z0-9\-]*[a-z0-9]|[a-z0-9])\.)*(?:[a-z][a-z0-9\-]*[a-z0-9]|[a-z])|(?:\[[^\]]*\]))(?:\:[0-9]*)?)(?:\/(?:[a-z0-9\-\._~\!\$\&\'\(\)\*\+\,\;\=\:\@]|%[0-9a-f]{2,2})*)*(?:\?(?:[a-z0-9\-\._~\!\$\&\'\(\)\*\+\,\;\=\:\@\/\?]|%[0-9a-f]{2,2})*)?(?:\#(?:[a-z0-9\-\._~\!\$\&\'\(\)\*\+\,\;\=\:\@\/\?]|%[0-9a-f]{2,2})*)?$/i;

			var valid = value.match(regExp);
			if (valid) {
				//extract the  address from URL
				var address = valid[1];

				if (address) {
					if (address == '[]') {
						return false;
					}
					if (address.charAt(0) == '[' ) {
						//IPv6 address or IPv4 enclosed in square brackets
						address = address.replace(/^\[|\]$/gi, '');
						return Spry.Widget.ValidationTextField.validateIP(address, 'ipv6_ipv4');
					} else {
						if (/[^0-9\.]/.test(address)) {
							return true;
						} else {
							//check if hostname is all digits and dots and then check for IPv4
							return Spry.Widget.ValidationTextField.validateIP(address, 'ipv4');
						}
					}
				} else {
					return true;
				}
			} else {
				return false;
			}
		}
	}
};

/*
2.2.1. Preferred
x:x:x:x:x:x:x:x, where the 'x's are the hexadecimal values of the eight 16-bit pieces of the address.
Examples:
	FEDC:BA98:7654:3210:FEDC:BA98:7654:3210
	1080:0:0:0:8:800:200C:417A
Note that it is not necessary to write the leading zeros in an
individual field, but there must be at least one numeral in every
field (except for the case described in 2.2.2.).

2.2.2. Compressed
The use of "::" indicates multiple groups of 16-bits of zeros.
The "::" can only appear once in an address.  The "::" can also be
used to compress the leading and/or trailing zeros in an address.
	1080:0:0:0:8:800:200C:417A --> 1080::8:800:200C:417A
	FF01:0:0:0:0:0:0:101 --> FF01::101
	0:0:0:0:0:0:0:1 --> ::1
	0:0:0:0:0:0:0:0 --> ::

2.5.4 IPv6 Addresses with Embedded IPv4 Addresses
	IPv4-compatible IPv6 address (tunnel IPv6 packets over IPv4 routing infrastructures)
	::0:129.144.52.38
	IPv4-mapped IPv6 address (represent the addresses of IPv4-only nodes as IPv6 addresses)
	::ffff:129.144.52.38

The text representation of IPv6 addresses and prefixes in Augmented BNF (Backus-Naur Form) [ABNF] for reference purposes.
[ABNF http://tools.ietf.org/html/rfc2234]
      IPv6address = hexpart [ ":" IPv4address ]
      IPv4address = 1*3DIGIT "." 1*3DIGIT "." 1*3DIGIT "." 1*3DIGIT

      IPv6prefix  = hexpart "/" 1*2DIGIT

      hexpart = hexseq | hexseq "::" [ hexseq ] | "::" [ hexseq ]
      hexseq  = hex4 *( ":" hex4)
      hex4    = 1*4HEXDIG
*/
Spry.Widget.ValidationTextField.validateIP = function (value, format)
{
	var validIPv6Addresses = [
		//preferred
		/^(?:[a-f0-9]{1,4}:){7}[a-f0-9]{1,4}(?:\/\d{1,3})?$/i,

		//various compressed
		/^[a-f0-9]{0,4}::(?:\/\d{1,3})?$/i,
		/^:(?::[a-f0-9]{1,4}){1,6}(?:\/\d{1,3})?$/i,
		/^(?:[a-f0-9]{1,4}:){1,6}:(?:\/\d{1,3})?$/i,
		/^(?:[a-f0-9]{1,4}:)(?::[a-f0-9]{1,4}){1,6}(?:\/\d{1,3})?$/i,
		/^(?:[a-f0-9]{1,4}:){2}(?::[a-f0-9]{1,4}){1,5}(?:\/\d{1,3})?$/i,
		/^(?:[a-f0-9]{1,4}:){3}(?::[a-f0-9]{1,4}){1,4}(?:\/\d{1,3})?$/i,
		/^(?:[a-f0-9]{1,4}:){4}(?::[a-f0-9]{1,4}){1,3}(?:\/\d{1,3})?$/i,
		/^(?:[a-f0-9]{1,4}:){5}(?::[a-f0-9]{1,4}){1,2}(?:\/\d{1,3})?$/i,
		/^(?:[a-f0-9]{1,4}:){6}(?::[a-f0-9]{1,4})(?:\/\d{1,3})?$/i,


		//IPv6 mixes with IPv4
		/^(?:[a-f0-9]{1,4}:){6}(?:\d{1,3}\.){3}\d{1,3}(?:\/\d{1,3})?$/i,
		/^:(?::[a-f0-9]{1,4}){0,4}:(?:\d{1,3}\.){3}\d{1,3}(?:\/\d{1,3})?$/i,
		/^(?:[a-f0-9]{1,4}:){1,5}:(?:\d{1,3}\.){3}\d{1,3}(?:\/\d{1,3})?$/i,
		/^(?:[a-f0-9]{1,4}:)(?::[a-f0-9]{1,4}){1,4}:(?:\d{1,3}\.){3}\d{1,3}(?:\/\d{1,3})?$/i,
		/^(?:[a-f0-9]{1,4}:){2}(?::[a-f0-9]{1,4}){1,3}:(?:\d{1,3}\.){3}\d{1,3}(?:\/\d{1,3})?$/i,	
		/^(?:[a-f0-9]{1,4}:){3}(?::[a-f0-9]{1,4}){1,2}:(?:\d{1,3}\.){3}\d{1,3}(?:\/\d{1,3})?$/i,
		/^(?:[a-f0-9]{1,4}:){4}(?::[a-f0-9]{1,4}):(?:\d{1,3}\.){3}\d{1,3}(?:\/\d{1,3})?$/i
	];
	var validIPv4Addresses = [
		//IPv4
		/^(\d{1,3}\.){3}\d{1,3}$/i
	];
	var validAddresses = [];
	if (format == 'ipv6' || format == 'ipv6_ipv4') {
		validAddresses = validAddresses.concat(validIPv6Addresses);
	}
	if (format == 'ipv4' || format == 'ipv6_ipv4') {
		validAddresses = validAddresses.concat(validIPv4Addresses);
	}

	var ret = false;
	for (var i=0; i<validAddresses.length; i++) {
		if (validAddresses[i].test(value)) {
			ret = true;
			break;
		}
	}

	if (ret && value.indexOf(".") != -1) {
		//if address contains IPv4 fragment, it must be valid; all 4 groups must be less than 256
		var ipv4 = value.match(/:?(?:\d{1,3}\.){3}\d{1,3}/i);
		if(!ipv4) {
			return false;
		}
		ipv4 = ipv4[0].replace(/^:/, '');
		var pieces = ipv4.split('.');
		if (pieces.length != 4) {
			return false;
		}
		var regExp = /^[\-\+]?\d*$/;
		for (var i=0; i< pieces.length; i++) {
			if (pieces[i] == '') {
				return false;
			}
			var piece = parseInt(pieces[i], 10);
			if (isNaN(piece) || piece > 255 || !regExp.test(pieces[i]) || pieces[i].length>3 || /^0{2,3}$/.test(pieces[i])) {
				return false;
			}
		}
	}
	if (ret && value.indexOf("/") != -1) {
		// if prefix-length is specified must be in [1-128]
		var prefLen = value.match(/\/\d{1,3}$/);
		if (!prefLen) return false;
		var prefLenVal = parseInt(prefLen[0].replace(/^\//,''), 10);
		if (isNaN(prefLenVal) || prefLenVal > 128 || prefLenVal < 1) {
			return false;
		}
	}
	return ret;
};

Spry.Widget.ValidationTextField.onloadDidFire = false;
Spry.Widget.ValidationTextField.loadQueue = [];

Spry.Widget.ValidationTextField.prototype.isBrowserSupported = function()
{
	return Spry.is.ie && Spry.is.v >= 5 && Spry.is.windows
		||
	Spry.is.mozilla && Spry.is.v >= 1.4
		||
	Spry.is.safari
		||
	Spry.is.opera && Spry.is.v >= 9;
};

Spry.Widget.ValidationTextField.prototype.init = function(element, options)
{
	this.element = this.getElement(element);
	this.errors = 0;
	this.flags = {locked: false, restoreSelection: true};
	this.options = {};
	this.event_handlers = [];

	// Estilo para los mensajes de AJAX
	this.ajaxClass = "textfieldAjaxState";
	this.validClass = "textfieldValidState";
	this.focusClass = "textfieldFocusState";
	this.requiredClass = "textfieldRequiredState";
	this.hintClass = "textfieldHintState";
	this.invalidFormatClass = "textfieldInvalidFormatState";
	this.invalidRangeMinClass = "textfieldMinValueState";
	this.invalidRangeMaxClass = "textfieldMaxValueState";
	this.invalidCharsMinClass = "textfieldMinCharsState";
	this.invalidCharsMaxClass = "textfieldMaxCharsState";
	this.textfieldFlashTextClass = "textfieldFlashText";
	if (Spry.is.safari) {
		this.flags.lastKeyPressedTimeStamp = 0;
	}

	switch (this.type) {
		case 'phone_number':options.format = Spry.Widget.Utils.firstValid(options.format, 'phone_us');break;
		case 'currency':options.format = Spry.Widget.Utils.firstValid(options.format, 'comma_dot');break;
		case 'zip_code':options.format = Spry.Widget.Utils.firstValid(options.format, 'zip_us5');break;
		case 'date':
			options.format = Spry.Widget.Utils.firstValid(options.format, 'mm/dd/yy');
			break;
		case 'time':
			options.format = Spry.Widget.Utils.firstValid(options.format, 'HH:mm');
			options.pattern = options.format.replace(/[hms]/gi, "0").replace(/TT/gi, 'AM').replace(/T/gi, 'A');
			break;
		case 'ip':
			options.format = Spry.Widget.Utils.firstValid(options.format, 'ipv4');
			options.characterMasking = Spry.Widget.ValidationTextField.ValidationDescriptors[this.type].characterMaskingFormats[options.format]; 
			break;
	}

	//retrieve the validation type descriptor to be used with this instance (base on type and format)
	//widgets may have different validations depending on format (like zip_code with formats)
	var validationDescriptor = {};
	if (options.format && Spry.Widget.ValidationTextField.ValidationDescriptors[this.type].formats) {
		if (Spry.Widget.ValidationTextField.ValidationDescriptors[this.type].formats[options.format]) {
			Spry.Widget.Utils.setOptions(validationDescriptor, Spry.Widget.ValidationTextField.ValidationDescriptors[this.type].formats[options.format]);
		}
	} else {
		Spry.Widget.Utils.setOptions(validationDescriptor, Spry.Widget.ValidationTextField.ValidationDescriptors[this.type]);
	}

	//set default values for some parameters which were not aspecified
	options.useCharacterMasking = Spry.Widget.Utils.firstValid(options.useCharacterMasking, false);
	options.hint = Spry.Widget.Utils.firstValid(options.hint, '');
	options.isRequired = Spry.Widget.Utils.firstValid(options.isRequired, true);
	options.additionalError = Spry.Widget.Utils.firstValid(options.additionalError, false);
	if (options.additionalError)
		options.additionalError = this.getElement(options.additionalError);

	//set widget validation parameters
	//get values from validation type descriptor
	//use the user specified values, if defined
	options.characterMasking = Spry.Widget.Utils.firstValid(options.characterMasking, validationDescriptor.characterMasking);
	options.regExpFilter = Spry.Widget.Utils.firstValid(options.regExpFilter, validationDescriptor.regExpFilter);
	options.pattern = Spry.Widget.Utils.firstValid(options.pattern, validationDescriptor.pattern);
	options.validation = Spry.Widget.Utils.firstValid(options.validation, validationDescriptor.validation);
	if (typeof options.validation == 'string') {
		options.validation = eval(options.validation);
	}

	options.minValue = Spry.Widget.Utils.firstValid(options.minValue, validationDescriptor.minValue);
	options.maxValue = Spry.Widget.Utils.firstValid(options.maxValue, validationDescriptor.maxValue);

	options.minChars = Spry.Widget.Utils.firstValid(options.minChars, validationDescriptor.minChars);
	options.maxChars = Spry.Widget.Utils.firstValid(options.maxChars, validationDescriptor.maxChars);

	Spry.Widget.Utils.setOptions(this, options);
	Spry.Widget.Utils.setOptions(this.options, options);
};

Spry.Widget.ValidationTextField.prototype.destroy = function() {
	for (var i=0; i<this.event_handlers.length; i++) {
		Spry.Widget.Utils.removeEventListener(this.event_handlers[i][0], this.event_handlers[i][1], this.event_handlers[i][2], false);
	}
	try { delete this.element; } catch(err) {}
	try { delete this.input; } catch(err) {}
	try { delete this.form; } catch(err) {}
	try { delete this.event_handlers; } catch(err) {}
	try { this.selection.destroy(); } catch(err) {}
	try { delete this.selection; } catch(err) {}

	var q = Spry.Widget.Form.onSubmitWidgetQueue;
	var qlen = q.length;
	for (var i = 0; i < qlen; i++) {
		if (q[i] == this) {
			q.splice(i, 1);
			break;
		}
	}
};

Spry.Widget.ValidationTextField.prototype.attachBehaviors = function()
{
	if (this.element) {
		if (this.element.nodeName == "INPUT") {
			this.input = this.element;
		} else {
			this.input = Spry.Widget.Utils.getFirstChildWithNodeNameAtAnyLevel(this.element, "INPUT");
		}
	}

	if (this.input) {
		if (this.maxChars) {
			this.input.removeAttribute("maxLength");
		}
		this.putHint();
		this.compilePattern();
		if (this.type == 'date') {
			this.compileDatePattern();
		}
		this.input.setAttribute("AutoComplete", "off");
		this.selection = new Spry.Widget.SelectionDescriptor(this.input);
		this.oldValue = this.input.value;

		var self = this;
		this.event_handlers = [];

		this.event_handlers.push([this.input, "keydown", function(e) { if (self.isDisabled()) return true; return self.onKeyDown(e || event); }]);
		this.event_handlers.push([this.input, "keypress", function(e) { if (self.isDisabled()) return true; return self.onKeyPress(e || event); }]);
		if (Spry.is.opera) {
			this.event_handlers.push([this.input, "keyup", function(e) { if (self.isDisabled()) return true; return self.onKeyUp(e || event); }]);
		}

		this.event_handlers.push([this.input, "focus", function(e) { if (self.isDisabled()) return true; return self.onFocus(e || event); }]);
		this.event_handlers.push([this.input, "blur", function(e) { if (self.isDisabled()) return true; return self.onBlur(e || event); }]);

		this.event_handlers.push([this.input, "mousedown", function(e) { if (self.isDisabled()) return true; return self.onMouseDown(e || event); }]);

		var changeEvent = 
			Spry.is.mozilla || Spry.is.opera || Spry.is.safari?"input":
			Spry.is.ie?"propertychange":
			"change";
		this.event_handlers.push([this.input, changeEvent, function(e) { if (self.isDisabled()) return true; return self.onChange(e || event); }]);

		if (Spry.is.mozilla || Spry.is.safari) {
			//oninput event on mozilla does not fire ondragdrop
			this.event_handlers.push([this.input, "dragdrop", function(e) { if (self.isDisabled()) return true; self.removeHint();return self.onChange(e || event); }]);
		} else if (Spry.is.ie){
			//ondrop&onpropertychange crash on IE 
			this.event_handlers.push([this.input, "drop", function(e) { if (self.isDisabled()) return true; return self.onDrop(e || event); }]);
		}

		for (var i=0; i<this.event_handlers.length; i++) {
			Spry.Widget.Utils.addEventListener(this.event_handlers[i][0], this.event_handlers[i][1], this.event_handlers[i][2], false);
		}

		// submit
		this.form = Spry.Widget.Utils.getFirstParentWithNodeName(this.input, "FORM");
		if (this.form) {
			// if no "onSubmit" handler has been attached to the current form, attach one
			if (!this.form.attachedSubmitHandler && !this.form.onsubmit) {
				this.form.onsubmit = function(e) { e = e || event; return Spry.Widget.Form.onSubmit(e, e.srcElement || e.currentTarget) };
				this.form.attachedSubmitHandler = true;                 
			}
			if (!this.form.attachedResetHandler) {
				Spry.Widget.Utils.addEventListener(this.form, "reset", function(e) { e = e || event; return Spry.Widget.Form.onReset(e, e.srcElement || e.currentTarget) }, false);
				this.form.attachedResetHandler = true;                 
			}
			// add the currrent widget to the "onSubmit" check queue;
			Spry.Widget.Form.onSubmitWidgetQueue.push(this);
		}
	}	
};

Spry.Widget.ValidationTextField.prototype.isDisabled = function() {
	return this.input && (this.input.disabled || this.input.readOnly) || !this.input;
};

Spry.Widget.ValidationTextField.prototype.getElement = function(ele)
{
	if (ele && typeof ele == "string")
		return document.getElementById(ele);
	return ele;
};

Spry.Widget.ValidationTextField.addLoadListener = function(handler)
{
	if (typeof window.addEventListener != 'undefined')
		window.addEventListener('load', handler, false);
	else if (typeof document.addEventListener != 'undefined')
		document.addEventListener('load', handler, false);
	else if (typeof window.attachEvent != 'undefined')
		window.attachEvent('onload', handler);
};

Spry.Widget.ValidationTextField.processLoadQueue = function(handler)
{
	Spry.Widget.ValidationTextField.onloadDidFire = true;
	var q = Spry.Widget.ValidationTextField.loadQueue;
	var qlen = q.length;
	for (var i = 0; i < qlen; i++)
		q[i].attachBehaviors();
};

Spry.Widget.ValidationTextField.addLoadListener(Spry.Widget.ValidationTextField.processLoadQueue);
Spry.Widget.ValidationTextField.addLoadListener(function(){
	Spry.Widget.Utils.addEventListener(window, "unload", Spry.Widget.Form.destroyAll, false);
});

Spry.Widget.ValidationTextField.prototype.setValue = function(newValue) {
	this.flags.locked = true;
	this.input.value = newValue;
	this.flags.locked = false;
	this.oldValue = newValue;
	if (!Spry.is.ie) {
		this.onChange();
	}
};

/**
 * save the state of the input (selection and value) so we can revert to it
 * should call this just before modifying the input value
 */
Spry.Widget.ValidationTextField.prototype.saveState = function()
{
	this.oldValue = this.input.value;
	this.selection.update();
};

Spry.Widget.ValidationTextField.prototype.revertState = function(revertValue)
{
	if (revertValue != this.input.value) {
		this.input.readOnly = true;
		this.input.value = revertValue;
		this.input.readOnly = false;
		if (Spry.is.safari && this.flags.active) {
			this.input.focus();
		}
	}
  if (this.flags.restoreSelection) {
	this.selection.moveTo(this.selection.start, this.selection.end);
  }

	this.redTextFlash();
};

Spry.Widget.ValidationTextField.prototype.removeHint = function()
{
	if (this.flags.hintOn) {
		this.input.value = "";
		this.flags.hintOn = false;
		this.removeClassName(this.element, this.hintClass);
		this.removeClassName(this.additionalError, this.hintClass);
	}
};

Spry.Widget.ValidationTextField.prototype.putHint = function()
{
	if(this.hint && this.input && this.input.type == "text" && this.input.value == "") {
		this.flags.hintOn = true;
		this.input.value = this.hint;
		this.addClassName(this.element, this.hintClass);
		this.addClassName(this.additionalError, this.hintClass);
	}
};

Spry.Widget.ValidationTextField.prototype.redTextFlash = function()
{
	var self = this;
	this.addClassName(this.element, this.textfieldFlashTextClass);
	setTimeout(function() {
		self.removeClassName(self.element, self.textfieldFlashTextClass)
	}, 100);
};

Spry.Widget.ValidationTextField.prototype.doValidations = function(testValue, revertValue)
{
	if (this.isDisabled()) return false;

	if (this.flags.locked) {
		return false;
	}

	if (testValue.length == 0 && !this.isRequired) {
		this.errors = 0;
		return false;
	}
	this.flags.locked = true;

	var mustRevert = false;
	var continueValidations = true;
	if (!this.options.isRequired && testValue.length == 0) {
		continueValidations = false;
	}

	var errors = 0;
	var fixedValue = testValue;

	//characterMasking - test if all characters are valid with the characterMasking (keyboard filter)
	if (this.useCharacterMasking && this.characterMasking) {
		for(var i=0; i<testValue.length; i++) {
			if (!this.characterMasking.test(testValue.charAt(i))) {
				errors = errors | Spry.Widget.ValidationTextField.ERROR_FORMAT;
				fixedValue = revertValue;
				mustRevert = true;
				break;
			}
		}
	}

	//regExpFilter - character mask positioning (additional mask to restrict some characters only in some position)
	if (!mustRevert && this.useCharacterMasking && this.regExpFilter) {
		if (!this.regExpFilter.test(fixedValue)) {
			errors = errors | Spry.Widget.ValidationTextField.ERROR_FORMAT;
			mustRevert = true;
		}
	}

	//pattern - testValue matches the pattern so far
	if (!mustRevert && this.pattern) {
		var currentRegExp = this.patternToRegExp(testValue.length);
		if (!currentRegExp.test(testValue)) {
			errors = errors | Spry.Widget.ValidationTextField.ERROR_FORMAT;
			mustRevert = true;
		} else if (this.patternLength != testValue.length) {
			//testValue matches pattern so far, but it's not ok if it does not have the proper length
			//do not revert, but should show the error
			errors = errors | Spry.Widget.ValidationTextField.ERROR_FORMAT;
		}
	}

	if (fixedValue == '') {
		errors = errors | Spry.Widget.ValidationTextField.ERROR_REQUIRED;
	}

	if (!mustRevert && this.pattern && this.useCharacterMasking) {
		var n = this.getAutoComplete(testValue.length);
		if (n) {
			fixedValue += n;
		}
	}

	if(!mustRevert && this.minChars !== null  && continueValidations) {
		if (testValue.length < this.minChars) {
			errors = errors | Spry.Widget.ValidationTextField.ERROR_CHARS_MIN;
			continueValidations = false;
		}
	}

	if(!mustRevert && this.maxChars !== null && continueValidations) {
		if (testValue.length > this.maxChars) {
			errors = errors | Spry.Widget.ValidationTextField.ERROR_CHARS_MAX;
			continueValidations = false;
		}
	}

	//validation - testValue passes widget validation function
	if (!mustRevert && this.validation && continueValidations) {
		var value = this.validation(fixedValue, this.options);
		if (false === value) {
			errors = errors | Spry.Widget.ValidationTextField.ERROR_FORMAT;
			continueValidations = false;
		} else {
			this.typedValue = value;
		}
	}

	if(!mustRevert && this.validation && this.minValue !== null && continueValidations) {
		var minValue = this.validation(this.minValue, this.options);
		if (minValue !== false) {
			if (this.typedValue < minValue) {
				errors = errors | Spry.Widget.ValidationTextField.ERROR_RANGE_MIN;
				continueValidations = false;
			}
		}
	}

	if(!mustRevert && this.validation && this.maxValue !== null && continueValidations) {
		var maxValue = this.validation(this.maxValue, this.options);
		if (maxValue !== false) {
			if( this.typedValue > maxValue) {
				errors = errors | Spry.Widget.ValidationTextField.ERROR_RANGE_MAX;
				continueValidations = false;
			}
		}
	}

	//an invalid value was tested; must make sure it does not get inside the input
	if (this.useCharacterMasking && mustRevert) {
		this.revertState(revertValue);
	}

	this.errors = errors;
	this.fixedValue = fixedValue;

	this.flags.locked = false;

	return mustRevert;
};

Spry.Widget.ValidationTextField.prototype.onChange = function(e)
{
	if (Spry.is.opera && this.flags.operaRevertOnKeyUp) {
		return true;
	}
	if (Spry.is.ie && e && e.propertyName != 'value') {
		return true;
	}

	if (this.flags.drop) {
		//delay this if it's a drop operation
		var self = this;
		setTimeout(function() {
			self.flags.drop = false;
			self.onChange(null);
		}, 0);
		return;
	}

	if (this.flags.hintOn) {
		return true;
	}

	if (this.keyCode == 8 || this.keyCode == 46 ) {
		var mustRevert = this.doValidations(this.input.value, this.input.value);
		this.oldValue = this.input.value;
		if ((mustRevert || this.errors) && this.validateOn & Spry.Widget.ValidationTextField.ONCHANGE) {
			var self = this;
			setTimeout(function() {self.validate();}, 0);
			return true;
		}
	}

	var mustRevert = this.doValidations(this.input.value, this.oldValue);
	if ((!mustRevert || this.errors) && this.validateOn & Spry.Widget.ValidationTextField.ONCHANGE) {
		var self = this;
		setTimeout(function() {self.validate();}, 0);
	}
	return true;
};

Spry.Widget.ValidationTextField.prototype.onKeyUp = function(e) {
	if (this.flags.operaRevertOnKeyUp) {
		this.setValue(this.oldValue);
		Spry.Widget.Utils.stopEvent(e);
		this.selection.moveTo(this.selection.start, this.selection.start);
		this.flags.operaRevertOnKeyUp = false;
		return false;
	}
	if (this.flags.operaPasteOperation) {
		window.clearInterval(this.flags.operaPasteOperation);
		this.flags.operaPasteOperation = null;
	}
};

Spry.Widget.ValidationTextField.prototype.operaPasteMonitor = function() {
	if (this.input.value != this.oldValue) {
		var mustRevert = this.doValidations(this.input.value, this.input.value);
		if (mustRevert) {
			this.setValue(this.oldValue);
			this.selection.moveTo(this.selection.start, this.selection.start);
		} else {
			this.onChange();
		}
	}
};


Spry.Widget.ValidationTextField.prototype.compileDatePattern = function () 
{
	var dateValidationPatternString = "";
	var groupPatterns = [];
	var fullGroupPatterns = [];
	var autocompleteCharacters = [];
	
	
	var formatRegExp = /^([mdy]+)([\.\-\/\\\s]+)([mdy]+)([\.\-\/\\\s]+)([mdy]+)$/i;
	var formatGroups = this.options.format.match(formatRegExp);
	if (formatGroups !== null) {
		for (var i=1; i<formatGroups.length; i++) {
			switch (formatGroups[i].toLowerCase()) {
				case "dd":
					groupPatterns[i-1] = "\\d{1,2}";
					fullGroupPatterns[i-1] = "\\d\\d";
					dateValidationPatternString += "(" + groupPatterns[i-1] + ")";
					autocompleteCharacters[i-1] = null;
					break;
				case "mm":
					groupPatterns[i-1] = "\\d{1,2}";
					fullGroupPatterns[i-1] = "\\d\\d";
					dateValidationPatternString += "(" + groupPatterns[i-1] + ")";
					autocompleteCharacters[i-1] = null;
					break;
				case "yy":
					groupPatterns[i-1] = "\\d{1,2}";
					fullGroupPatterns[i-1] = "\\d\\d";
					dateValidationPatternString += "(\\d\\d)";
					autocompleteCharacters[i-1] = null;
					break;
				case "yyyy":
					groupPatterns[i-1] = "\\d{1,4}";
					fullGroupPatterns[i-1] = "\\d\\d\\d\\d";
					dateValidationPatternString += "(\\d\\d\\d\\d)";
					autocompleteCharacters[i-1] = null;
					break;
				default:
					groupPatterns[i-1] = fullGroupPatterns[i-1] = Spry.Widget.ValidationTextField.regExpFromChars(formatGroups[i]);
					dateValidationPatternString += "["+ groupPatterns[i-1] + "]";
					autocompleteCharacters[i-1] = formatGroups[i];
			}
		}
	}
	this.dateValidationPattern = new RegExp("^" + dateValidationPatternString + "$" , "")
	this.dateAutocompleteCharacters = autocompleteCharacters;
	this.dateGroupPatterns = groupPatterns;
	this.dateFullGroupPatterns = fullGroupPatterns;
	this.lastDateGroup = formatGroups.length-2;
}

Spry.Widget.ValidationTextField.prototype.getRegExpForGroup = function (group) 
{
	var ret = '^';
	for (var j = 0; j <= group; j++) ret += this.dateGroupPatterns[j];
	ret += '$';
	return new RegExp(ret, "");	
}

Spry.Widget.ValidationTextField.prototype.getRegExpForFullGroup = function (group) 
{
	var ret = '^';
	for (var j = 0; j < group; j++) ret += this.dateGroupPatterns[j];
	ret += this.dateFullGroupPatterns[group];
	return new RegExp(ret, "");	
}

Spry.Widget.ValidationTextField.prototype.getDateGroup = function(value, pos) 
{
	if (pos == 0) return 0;
	var test_value = value.substring(0, pos);
	for (var i=0; i <= this.lastDateGroup; i++) 
		if (this.getRegExpForGroup(i).test(test_value)) return i;
	return -1;
};


Spry.Widget.ValidationTextField.prototype.isDateGroupFull = function(value, group) 
{
	return this.getRegExpForFullGroup(group).test(value);
}

Spry.Widget.ValidationTextField.prototype.isValueValid = function(value, pos, group) 
{
	var test_value = value.substring(0, pos);
	return this.getRegExpForGroup(group).test(test_value);
	}


Spry.Widget.ValidationTextField.prototype.isPositionAtEndOfGroup = function (value, pos, group)
{
	var test_value = value.substring(0, pos);
	return this.getRegExpForFullGroup(group).test(test_value);
}

Spry.Widget.ValidationTextField.prototype.nextDateDelimiterExists = function (value, pos, group)
{
	var autocomplete = this.dateAutocompleteCharacters[group+1];
	if (value.length < pos  + autocomplete.length) 
		return false;
	else 
	{
		var test_value = value.substring(pos, pos+autocomplete.length);
		if (test_value == autocomplete) 
			return true;
	}
	return false;
}



Spry.Widget.ValidationTextField.prototype.onKeyPress = function(e)
{
	if (this.flags.skp) {
		this.flags.skp = false;
		Spry.Widget.Utils.stopEvent(e);
		return false;
	}

	if (e.ctrlKey || e.metaKey || !this.useCharacterMasking) {
		return true;
	}
/*
	if (Spry.is.safari) {
		if ( (e.timeStamp - this.flags.lastKeyPressedTimeStamp)<10 ) {
			return true;
		}
		this.flags.lastKeyPressedTimeStamp = e.timeStamp;
	}
*/
	if (Spry.is.opera && this.flags.operaRevertOnKeyUp) {
		Spry.Widget.Utils.stopEvent(e);
		return false;
	}

	if (this.keyCode == 8 || this.keyCode == 46) {
		var mr = this.doValidations(this.input.value, this.input.value);
		if (mr) {
			return true;
		}
	}

	var pressed = Spry.Widget.Utils.getCharacterFromEvent(e);

	if (pressed && this.characterMasking) {
		if (!this.characterMasking.test(pressed)) {
			Spry.Widget.Utils.stopEvent(e);
			this.redTextFlash();
			return false;
		}
	}

	if(pressed && this.pattern) {
		var currentPatternChar = this.patternCharacters[this.selection.start];
		if (/[ax]/i.test(currentPatternChar)) {
			//convert the entered character to the pattern character case
			if (currentPatternChar.toLowerCase() == currentPatternChar) {
				pressed = pressed.toLowerCase();
			} else {
				pressed = pressed.toUpperCase();
			}
		}

		var autocomplete = this.getAutoComplete(this.selection.start);
		if (this.selection.start == this.oldValue.length) {
			if (this.oldValue.length < this.patternLength) {
				if (autocomplete) {
					Spry.Widget.Utils.stopEvent(e);
					var futureValue = this.oldValue.substring(0, this.selection.start) + autocomplete + pressed;
					var mustRevert = this.doValidations(futureValue, this.oldValue);
					if (!mustRevert) {
						this.setValue(this.fixedValue);
						this.selection.moveTo(this.fixedValue.length, this.fixedValue.length);
					} else {
						this.setValue(this.oldValue.substring(0, this.selection.start) + autocomplete);
						this.selection.moveTo(this.selection.start + autocomplete.length, this.selection.start + autocomplete.length);
					}
					return false;
				}
			} else {
				Spry.Widget.Utils.stopEvent(e);
				this.setValue(this.input.value);
				return false;
			}
		} else if (autocomplete) {
			Spry.Widget.Utils.stopEvent(e);
			this.selection.moveTo(this.selection.start + autocomplete.length, this.selection.start + autocomplete.length);
			return false;
		}

		Spry.Widget.Utils.stopEvent(e);

		var futureValue = this.oldValue.substring(0, this.selection.start) + pressed + this.oldValue.substring(this.selection.start + 1);
		var mustRevert = this.doValidations(futureValue, this.oldValue);

		if (!mustRevert) {
			autocomplete = this.getAutoComplete(this.selection.start + 1);
			this.setValue(this.fixedValue);
			this.selection.moveTo(this.selection.start + 1 + autocomplete.length, this.selection.start + 1 + autocomplete.length);
		} else {
			this.selection.moveTo(this.selection.start, this.selection.start);
		}

		return false;
	}
	
	
	if (pressed && this.type == 'date' && this.useCharacterMasking) 
	{
		var group = this.getDateGroup(this.oldValue, this.selection.start);
		if (group != -1) {
			Spry.Widget.Utils.stopEvent(e);
			if ( (group % 2) !=0 ) 
				group ++;
			
			if (this.isDateGroupFull(this.oldValue, group)) 
			{
				if(this.isPositionAtEndOfGroup(this.oldValue, this.selection.start, group))
				{
					if(group == this.lastDateGroup) 
					{
						this.redTextFlash(); return false;
					}
					else 
					{
						// add or jump over autocomplete delimiter
						var autocomplete = this.dateAutocompleteCharacters[group+1];
						
						if (this.nextDateDelimiterExists(this.oldValue, this.selection.start, group))
						{
							var autocomplete = this.dateAutocompleteCharacters[group+1];
							
							this.selection.moveTo(this.selection.start + autocomplete.length, this.selection.start + autocomplete.length);
							if (pressed == autocomplete) 
								return false;
							
							if (this.isDateGroupFull(this.oldValue, group+2)) 
								// need to overwrite first char in the next digit group
								futureValue = this.oldValue.substring(0, this.selection.start) + pressed + this.oldValue.substring(this.selection.start + 1);
							else
								futureValue = this.oldValue.substring(0, this.selection.start) + pressed + this.oldValue.substring(this.selection.start);
								
							if (!this.isValueValid(futureValue, this.selection.start + 1, group +2 )) 
							{
								this.redTextFlash(); return false;						
							}
							else
							{
								this.setValue (futureValue);
								this.selection.moveTo(this.selection.start + 1, this.selection.start + 1);									
							}
							return false;					
						}
						else 
						{
							var autocomplete = this.dateAutocompleteCharacters[group+1];
							
							var insertedValue = autocomplete + pressed;
							futureValue = this.oldValue.substring(0, this.selection.start) + insertedValue + this.oldValue.substring(this.selection.start);
							if (!this.isValueValid(futureValue, this.selection.start + insertedValue.length, group +2 )) 
							{
								// block this type
								insertedValue = autocomplete;
								futureValue = this.oldValue.substring(0, this.selection.start) + insertedValue + this.oldValue.substring(this.selection.start);
								this.setValue (futureValue);
								this.selection.moveTo(this.selection.start + insertedValue.length, this.selection.start + insertedValue.length);									
								this.redTextFlash(); return false;
							}
							else 
							{
								this.setValue (futureValue);
								this.selection.moveTo(this.selection.start + insertedValue.length, this.selection.start + insertedValue.length);									
								return false;
							}
						}
						
					}
				}
				else
				{
					// it's not the end of the full digits group
					
					// overwrite
					var movePosition = 1;
					futureValue = this.oldValue.substring(0, this.selection.start) + pressed + this.oldValue.substring(this.selection.start + 1);
					if (!this.isValueValid(futureValue, this.selection.start + 1, group)) 
					{
						this.redTextFlash(); return false;
					}
					else 
					{
						if(this.isPositionAtEndOfGroup(futureValue, this.selection.start+1, group)) 
						{
							if (group != this.lastDateGroup)
							{
								if (this.nextDateDelimiterExists(futureValue, this.selection.start + 1, group))
								{
									var autocomplete = this.dateAutocompleteCharacters[group+1];
									movePosition = 1 + autocomplete.length;
								}
								else
								{
									var autocomplete = this.dateAutocompleteCharacters[group+1];
									futureValue = this.oldValue.substring(0, this.selection.start) + pressed + autocomplete + this.oldValue.substring(this.selection.start + 1);
									movePosition = 1 + autocomplete.length;
								}
							}
						}
						this.setValue (futureValue);
						this.selection.moveTo(this.selection.start + movePosition, this.selection.start + movePosition);									
						return false;							
					}			
				}
			}
			else
			{
				// date group is not full
				// insert
				futureValue = this.oldValue.substring(0, this.selection.start) + pressed + this.oldValue.substring(this.selection.start);
				var movePosition = 1;
				if (!this.isValueValid(futureValue, this.selection.start + 1, group) && !this.isValueValid(futureValue, this.selection.start + 1, group+1)) 
				{
					this.redTextFlash(); return false;
				}
				else 
				{
					var autocomplete = this.dateAutocompleteCharacters[group+1];
					if (pressed == autocomplete) 
					{
						if (this.nextDateDelimiterExists(this.oldValue, this.selection.start, group))
						{
							futureValue = this.oldValue;
							movePosition = 1;
						}
					}
					else
					{
						if(this.isPositionAtEndOfGroup(futureValue, this.selection.start+1, group)) 
						{
							if (group != this.lastDateGroup)
							{
								if (this.nextDateDelimiterExists(futureValue, this.selection.start + 1, group))
								{
									var autocomplete = this.dateAutocompleteCharacters[group+1];
									movePosition = 1 + autocomplete.length;
								}
								else
								{
									var autocomplete = this.dateAutocompleteCharacters[group+1];
									futureValue = this.oldValue.substring(0, this.selection.start) + pressed + autocomplete + this.oldValue.substring(this.selection.start + 1);
									movePosition = 1 + autocomplete.length;
								}
							}
						}
					}
					this.setValue (futureValue);
					this.selection.moveTo(this.selection.start + movePosition, this.selection.start + movePosition);									
					return false;						
				}	
			}
		}
		return false;
	}
	
};

Spry.Widget.ValidationTextField.prototype.onKeyDown = function(e)
{
	this.saveState();
	this.keyCode = e.keyCode;

	if (Spry.is.opera) {
		if (this.flags.operaPasteOperation) {
			window.clearInterval(this.flags.operaPasteOperation);
			this.flags.operaPasteOperation = null;
		}
		if (e.ctrlKey) {
			var pressed = Spry.Widget.Utils.getCharacterFromEvent(e);
			if (pressed && 'vx'.indexOf(pressed.toLowerCase()) != -1) {
				var self = this;
				this.flags.operaPasteOperation = window.setInterval(function() { self.operaPasteMonitor();}, 1);
				return true;
			}
		}
	}

	if (this.keyCode != 8 && this.keyCode != 46 && Spry.Widget.Utils.isSpecialKey(e)) {
		return true;
	}
	if (this.keyCode == 8 || this.keyCode == 46 ) {
		var mr = this.doValidations(this.input.value, this.input.value);
		if (mr) {
			return true;
		}
	}

	//DELETE
	if (this.useCharacterMasking && this.pattern && this.keyCode == 46) {
		if (e.ctrlKey) {
			//delete from selection until end
			this.setValue(this.input.value.substring(0, this.selection.start));
		} else if (this.selection.end == this.input.value.length || this.selection.start == this.input.value.length-1){
			//allow key if selection is at end (will delete selection)
			return true;
		} else {
			this.flags.operaRevertOnKeyUp = true;
		}
		if (Spry.is.mozilla && Spry.is.mac) {
			this.flags.skp = true;
		}
		Spry.Widget.Utils.stopEvent(e);
		return false;
	}

	//BACKSPACE
	if (this.useCharacterMasking && this.pattern && !e.ctrlKey && this.keyCode == 8) {
		if (this.selection.start == this.input.value.length) {
			//delete with BACKSPACE from the end of the input value only
			var n = this.getAutoComplete(this.selection.start, -1);
			this.setValue(this.input.value.substring(0, this.input.value.length - (Spry.is.opera?0:1) - n.length));
			if (Spry.is.opera) {
				//cant stop the event on Opera, we'll just preserve the selection so delete will act on it
				this.selection.start = this.selection.start - 1 - n.length;
				this.selection.end = this.selection.end - 1 - n.length;
			}
		} else if (this.selection.end == this.input.value.length){
			//allow BACKSPACE if selection is at end (will delete selection)
			return true;
		} else {
			this.flags.operaRevertOnKeyUp = true;
		}
		if (Spry.is.mozilla && Spry.is.mac) {
			this.flags.skp = true;
		} 
		Spry.Widget.Utils.stopEvent(e);
		return false;
	}

	return true;
};

Spry.Widget.ValidationTextField.prototype.onMouseDown = function(e)
{
	if (this.flags.active) {
		//mousedown fires before focus
		//avoid double saveState on first focus by mousedown by checking if the control has focus
		//do nothing if it's not focused because saveState will be called onfocus
		this.saveState();
	}
};

Spry.Widget.ValidationTextField.prototype.onDrop = function(e)
{
	//mark that a drop operation is in progress to avoid race conditions with event handlers for other events
	//especially onchange and onfocus
	this.flags.drop = true;
	this.removeHint();
	this.saveState();
	this.flags.active = true;
	this.addClassName(this.element, this.focusClass);
	this.addClassName(this.additionalError, this.focusClass);
};


Spry.Widget.ValidationTextField.prototype.onFocus = function(e)
{
	if (this.flags.drop) {
		return;
	}
	this.removeHint();

	if (this.pattern && this.useCharacterMasking) {
		var autocomplete = this.getAutoComplete(this.selection.start);
		this.setValue(this.input.value + autocomplete);
		this.selection.moveTo(this.input.value.length, this.input.value.length);
	}
	
	this.saveState();
	this.flags.active = true;
	this.addClassName(this.element, this.focusClass);
	this.addClassName(this.additionalError, this.focusClass);
};
	
Spry.Widget.ValidationTextField.prototype.onBlur = function(e)
{
	this.flags.active = false;
	this.removeClassName(this.element, this.focusClass);
	this.removeClassName(this.additionalError, this.focusClass);
	this.flags.restoreSelection = false;
	var mustRevert = this.doValidations(this.input.value, this.input.value);
	this.flags.restoreSelection = true;

	if (this.validateOn & Spry.Widget.ValidationTextField.ONBLUR) {
		this.validate();
	}
	var self = this;
	setTimeout(function() {self.putHint();}, 10);
	return true;
};

Spry.Widget.ValidationTextField.prototype.compilePattern = function() {
	if (!this.pattern) {
		return;
	}
	var compiled = [];
	var regexps = [];
	var patternCharacters = [];
	var idx = 0;
	var c = '', p = '';
	for (var i=0; i<this.pattern.length; i++) {
		c = this.pattern.charAt(i);
		if (p == '\\') {
			if (/[0ABXY\?]/i.test(c)) {
				regexps[idx - 1] = c;
			} else {
				regexps[idx - 1] = Spry.Widget.ValidationTextField.regExpFromChars(c);
			}
			compiled[idx - 1] = c;
			patternCharacters[idx - 1] = null;
			p = '';
			continue;
		}
		regexps[idx] = Spry.Widget.ValidationTextField.regExpFromChars(c);
		if (/[0ABXY\?]/i.test(c)) {
			compiled[idx] = null;
			patternCharacters[idx] = c;
		} else if (c == '\\') {
			compiled[idx] = c;
			patternCharacters[idx] = '\\';
		} else {
			compiled[idx] = c;
			patternCharacters[idx] = null;
		}
		idx++;
		p = c;
	}

	this.autoCompleteCharacters = compiled;
	this.compiledPattern = regexps;
	this.patternCharacters = patternCharacters;
	this.patternLength = compiled.length;
};

Spry.Widget.ValidationTextField.prototype.getAutoComplete = function(from, direction) {
	if (direction == -1) {
		var n = '', m = '';
		while(from && (n = this.getAutoComplete(--from) )) {
			m = n;
		}
		return m;
	}
	var ret = '', c = '';
	for (var i=from; i<this.autoCompleteCharacters.length; i++) {
		c = this.autoCompleteCharacters[i];
		if (c) {
			ret += c;
		} else {
			break;
		}
	}
	return ret;
};

Spry.Widget.ValidationTextField.regExpFromChars = function (string) {
	//string contains pattern characters
	var ret = '', character = '';
	for (var i = 0; i<string.length; i++) {
		character = string.charAt(i);
		switch (character) {
			case '0': ret += '\\d';break;
			case 'A': ret += '[A-Z]';break;
//			case 'A': ret += '[\u0041-\u005A\u0061-\u007A\u0100-\u017E\u0180-\u0233\u0391-\u03CE\u0410-\u044F\u05D0-\u05EA\u0621-\u063A\u0641-\u064A\u0661-\u06D3\u06F1-\u06FE]';break;
			case 'a': ret += '[a-z]';break;
//			case 'a': ret += '[\u0080-\u00FF]';break;
			case 'B': case 'b': ret += '[a-zA-Z]';break;
			case 'x': ret += '[0-9a-z]';break;
			case 'X': ret += '[0-9A-Z]';break;
			case 'Y': case 'y': ret += '[0-9a-zA-Z]';break;
			case '?': ret += '.';break;
			case '1':case '2':case '3':case '4':case '5':case '6':case '7':case '8':case '9':
				ret += character;
				break;
			case 'c': case 'C': case 'e': case 'E': case 'f': case 'F':case 'r':case 'd': case 'D':case 'n':case 's':case 'S':case 'w':case 'W':case 't':case 'v':
				ret += character;
				break;
			default: ret += '\\' + character;
		}
	}
	return ret;
};

Spry.Widget.ValidationTextField.prototype.patternToRegExp = function(len) {
	var ret = '^';
	var end = Math.min(this.compiledPattern.length, len);
	for (var i=0; i < end; i++) {
		ret += this.compiledPattern[i];
	}
	ret += '$';
	ret = new RegExp(ret, "");
	return ret;
};

Spry.Widget.ValidationTextField.prototype.resetClasses = function() {
	var classes = [this.requiredClass, this.invalidFormatClass, this.invalidRangeMinClass, this.invalidRangeMaxClass, this.invalidCharsMinClass, this.invalidCharsMaxClass, this.validClass,this.ajaxClass]
	for (var i=0; i < classes.length; i++)
	{
		this.removeClassName(this.element, classes[i]);
		this.removeClassName(this.additionalError, classes[i]);
	}
};

Spry.Widget.ValidationTextField.prototype.reset = function() {
	this.removeHint();
	this.oldValue = this.input.defaultValue;
	
	this.resetClasses();
	if (Spry.is.ie) {
		//this will fire the onpropertychange event right after the className changed on the container element
		//IE6 will not fire the first onpropertychange on an input type text after a onreset handler if inside that handler the className of one of the elements inside the form has been changed
		//to reproduce: change the className of one of the elements inside the form from within the onreset handler; then the onpropertychange does not fire the first time
		this.input.forceFireFirstOnPropertyChange = true;
		this.input.removeAttribute("forceFireFirstOnPropertyChange");
	}
	var self = this;
	setTimeout(function() {self.putHint();}, 10);
};

Spry.Widget.ValidationTextField.prototype.validate = function() {

	this.resetClasses();
	//possible states: required, format, rangeMin, rangeMax, charsMin, charsMax
	if (this.validateOn & Spry.Widget.ValidationTextField.ONSUBMIT) {

		this.removeHint();
		this.doValidations(this.input.value, this.input.value);

		if(!this.flags.active) {
			var self = this;
			setTimeout(function() {self.putHint();}, 10);
		}
	}

	if (this.isRequired && this.errors & Spry.Widget.ValidationTextField.ERROR_REQUIRED) {
		this.addClassName(this.element, this.requiredClass);
		this.addClassName(this.additionalError, this.requiredClass);
		return false;
	}

	if (this.errors & Spry.Widget.ValidationTextField.ERROR_FORMAT) {
		this.addClassName(this.element, this.invalidFormatClass);
		this.addClassName(this.additionalError, this.invalidFormatClass);
		return false;
	}

	if (this.errors & Spry.Widget.ValidationTextField.ERROR_RANGE_MIN) {
		this.addClassName(this.element, this.invalidRangeMinClass);
		this.addClassName(this.additionalError, this.invalidRangeMinClass);
		return false;
	}

	if (this.errors & Spry.Widget.ValidationTextField.ERROR_RANGE_MAX) {
		this.addClassName(this.element, this.invalidRangeMaxClass);
		this.addClassName(this.additionalError, this.invalidRangeMaxClass);
		return false;
	}

	if (this.errors & Spry.Widget.ValidationTextField.ERROR_CHARS_MIN) {
		this.addClassName(this.element, this.invalidCharsMinClass);
		this.addClassName(this.additionalError, this.invalidCharsMinClass);
		return false;
	}

	if (this.errors & Spry.Widget.ValidationTextField.ERROR_CHARS_MAX) {
		this.addClassName(this.element, this.invalidCharsMaxClass);
		this.addClassName(this.additionalError, this.invalidCharsMaxClass);
		return false;
	}

	this.addClassName(this.element, this.validClass);
	this.addClassName(this.additionalError, this.validClass);
	return true;
}

Spry.Widget.ValidationTextField.prototype.addClassName = function(ele, className)
{
	if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) != -1))
		return;
	ele.className += (ele.className ? " " : "") + className;
};

Spry.Widget.ValidationTextField.prototype.removeClassName = function(ele, className)
{
	if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) == -1))
		return;
	ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), "");
};

/**
 * SelectionDescriptor is a wrapper for input type text selection methods and properties 
 * as implemented by various  browsers
 */
Spry.Widget.SelectionDescriptor = function (element)
{
	this.element = element;
	this.update();
};

Spry.Widget.SelectionDescriptor.prototype.update = function()
{
	if (Spry.is.ie && Spry.is.windows) {
		var sel = this.element.ownerDocument.selection;
		if (this.element.nodeName == "TEXTAREA") {
			if (sel.type != 'None') {
				try{var range = sel.createRange();}catch(err){return;}
				if (range.parentElement() == this.element){
					var range_all = this.element.ownerDocument.body.createTextRange();
					range_all.moveToElementText(this.element);
					for (var sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start ++){
						range_all.moveStart('character', 1);
					}
					this.start = sel_start;
					// create a selection of the whole this.element
					range_all = this.element.ownerDocument.body.createTextRange();
					range_all.moveToElementText(this.element);
					for (var sel_end = 0; range_all.compareEndPoints('StartToEnd', range) < 0; sel_end++){
						range_all.moveStart('character', 1);
					}
					this.end = sel_end;
					this.length = this.end - this.start;
					// get selected and surrounding text
					this.text = range.text;
		 		}
			}        
		} else if (this.element.nodeName == "INPUT"){
			try{this.range = sel.createRange();}catch(err){return;}
			this.length = this.range.text.length;
			var clone = this.range.duplicate();
			this.start = -clone.moveStart("character", -10000);
			clone = this.range.duplicate();
			clone.collapse(false);
			this.end = -clone.moveStart("character", -10000);
			this.text = this.range.text;
		}
	} else {
		var tmp = this.element;
		var selectionStart = 0;
		var selectionEnd = 0;
        
		try { selectionStart = tmp.selectionStart;} catch(err) {}
		try { selectionEnd = tmp.selectionEnd;} catch(err) {}

		if (Spry.is.safari) {
			if (selectionStart == 2147483647) {
				selectionStart = 0;
			}
			if (selectionEnd == 2147483647) {
				selectionEnd = 0;
			}
		}
		this.start = selectionStart;
		this.end = selectionEnd;
		this.length = selectionEnd - selectionStart;
		this.text = this.element.value.substring(selectionStart, selectionEnd);
	}
};

Spry.Widget.SelectionDescriptor.prototype.destroy = function() {
	try { delete this.range} catch(err) {}
	try { delete this.element} catch(err) {}
};

Spry.Widget.SelectionDescriptor.prototype.move = function(amount)
{
	if (Spry.is.ie && Spry.is.windows) {
		this.range.move("character", amount);
		this.range.select();
	} else {
		try { this.element.selectionStart++;}catch(err) {}
	}
	this.update();
};

Spry.Widget.SelectionDescriptor.prototype.moveTo = function(start, end)
{
	if (Spry.is.ie && Spry.is.windows) {
		if (this.element.nodeName == "TEXTAREA") {
			var ta_range = this.element.createTextRange();
			this.range = this.element.createTextRange();
			this.range.move("character", start);
			this.range.moveEnd("character", end - start);
			
			var c1 = this.range.compareEndPoints("StartToStart", ta_range);
			if (c1 < 0) {
				this.range.setEndPoint("StartToStart", ta_range);
			}

			var c2 = this.range.compareEndPoints("EndToEnd", ta_range);
			if (c2 > 0) {
				this.range.setEndPoint("EndToEnd", ta_range);
			}
		} else if (this.element.nodeName == "INPUT"){
			this.range = this.element.ownerDocument.selection.createRange();
			this.range.move("character", -10000);
			this.start = this.range.moveStart("character", start);
			this.end = this.start + this.range.moveEnd("character", end - start);
		}
		this.range.select();
	} else {
		this.start = start;
		try { this.element.selectionStart = start;} catch(err) {}
		this.end = end;
		try { this.element.selectionEnd = end;} catch(err) {}
	}
	this.ignore = true;
	this.update();
};

Spry.Widget.SelectionDescriptor.prototype.moveEnd = function(amount)
{
	if (Spry.is.ie && Spry.is.windows) {
		this.range.moveEnd("character", amount);
		this.range.select();
	} else {
		try { this.element.selectionEnd++;} catch(err) {}
	}
	this.update();
};

Spry.Widget.SelectionDescriptor.prototype.collapse = function(begin)
{
	if (Spry.is.ie && Spry.is.windows) {
		this.range = this.element.ownerDocument.selection.createRange();
		this.range.collapse(begin);
		this.range.select();
	} else {
		if (begin) {
			try { this.element.selectionEnd = this.element.selectionStart;} catch(err) {}
		} else {
			try { this.element.selectionStart = this.element.selectionEnd;} catch(err) {}
		}
	}

	this.update();
};

//////////////////////////////////////////////////////////////////////
//
// Spry.Widget.Form - common for all widgets
//
//////////////////////////////////////////////////////////////////////

if (!Spry.Widget.Form) Spry.Widget.Form = {};
if (!Spry.Widget.Form.onSubmitWidgetQueue) Spry.Widget.Form.onSubmitWidgetQueue = [];

if (!Spry.Widget.Form.validate) {
	Spry.Widget.Form.validate = function(vform) {
		var isValid = true;
		var isElementValid = true;
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		var qlen = q.length;
		for (var i = 0; i < qlen; i++) {
			if (!q[i].isDisabled() && q[i].form == vform) {
				isElementValid = q[i].validate();
				isValid = isElementValid && isValid;
			}
		}
		return isValid;
	}
};

if (!Spry.Widget.Form.onSubmit) {
	Spry.Widget.Form.onSubmit = function(e, form)
	{
		if (Spry.Widget.Form.validate(form) == false) {
			return false;
		}
		return true;
	};
};

if (!Spry.Widget.Form.onReset) {
	Spry.Widget.Form.onReset = function(e, vform)
	{
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		var qlen = q.length;
		for (var i = 0; i < qlen; i++) {
			if (!q[i].isDisabled() && q[i].form == vform && typeof(q[i].reset) == 'function') {
				q[i].reset();
			}
		}
		return true;
	};
};

if (!Spry.Widget.Form.destroy) {
	Spry.Widget.Form.destroy = function(form)
	{
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
			if (q[i].form == form && typeof(q[i].destroy) == 'function') {
				q[i].destroy();
				i--;
			}
		}
	}
};

if (!Spry.Widget.Form.destroyAll) {
	Spry.Widget.Form.destroyAll = function()
	{
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
			if (typeof(q[i].destroy) == 'function') {
				q[i].destroy();
				i--;
			}
		}
	}
};

//////////////////////////////////////////////////////////////////////
//
// Spry.Widget.Utils
//
//////////////////////////////////////////////////////////////////////

if (!Spry.Widget.Utils)	Spry.Widget.Utils = {};

Spry.Widget.Utils.punycode_constants = {
	base : 36, tmin : 1, tmax : 26, skew : 38, damp : 700,
  initial_bias : 72, initial_n : 0x80, delimiter : 0x2D,
  maxint : 2<<26-1
};

Spry.Widget.Utils.punycode_encode_digit = function (d) {
  return String.fromCharCode(d + 22 + 75 * (d < 26));
};

Spry.Widget.Utils.punycode_adapt = function (delta, numpoints, firsttime) {
	delta = firsttime ? delta / this.punycode_constants.damp : delta >> 1;
	delta += delta / numpoints;
	
	for (var k = 0; delta > ((this.punycode_constants.base - this.punycode_constants.tmin) * this.punycode_constants.tmax) / 2; k += this.punycode_constants.base) {
		delta /= this.punycode_constants.base - this.punycode_constants.tmin;
	}
	return k + (this.punycode_constants.base - this.punycode_constants.tmin + 1) * delta / (delta + this.punycode_constants.skew);
};

/**
 * returns a 	Punicode representation of a UTF-8 string
 * adapted from http://tools.ietf.org/html/rfc3492
 */
Spry.Widget.Utils.punycode_encode = function (input, max_out) {
	var inputc = input.split("");
	input = [];
	for(var i=0; i<inputc.length; i++) {
		input.push(inputc[i].charCodeAt(0));
	}
	var output = '';

  var h, b, j, m, q, k, t;
	var input_len = input.length;
  var n = this.punycode_constants.initial_n;
  var delta = 0;
  var bias = this.punycode_constants.initial_bias;
  var out = 0;

  for (j = 0; j < input_len; j++) {
		if (input[j] < 128) {
			if (max_out - out < 2) {
				return false;
			}
			output += String.fromCharCode(input[j]);
			out++;
		}
	}

	h = b = out;
	if (b > 0) {
		output += String.fromCharCode(this.punycode_constants.delimiter);
		out++;
	}

  while (h < input_len)	{
		for (m = this.punycode_constants.maxint, j = 0; j < input_len; j++) {
			if (input[j] >= n && input[j] < m) {
				m = input[j];
			}
		}
		if (m - n > (this.punycode_constants.maxint - delta) / (h + 1)) {
			return false;
		}
		
		delta += (m - n) * (h + 1);
		n = m;

		for (j = 0; j < input_len; j++) {
			if (input[j] < n ) {
				if (++delta == 0) {
					return false;
				}
			}

			if (input[j] == n) {
				for (q = delta, k = this.punycode_constants.base;; k += this.punycode_constants.base) {
					if (out >= max_out) {
						return false;
					}

					t = k <= bias ? this.punycode_constants.tmin : k >= bias + this.punycode_constants.tmax ? this.punycode_constants.tmax : k - bias;
					if (q < t) {
						break;
					}

					output += this.punycode_encode_digit(t + (q - t) % (this.punycode_constants.base - t));
					out++;
					q = (q - t) / (this.punycode_constants.base - t);
				}

				output += this.punycode_encode_digit(q);
				out++;
				bias = this.punycode_adapt(delta, h + 1, h == b);
				delta = 0;
				h++;
			}
		}
		delta++, n++;
	}

  return output;
};

Spry.Widget.Utils.setOptions = function(obj, optionsObj, ignoreUndefinedProps)
{
	if (!optionsObj)
		return;
	for (var optionName in optionsObj)
	{
		if (ignoreUndefinedProps && optionsObj[optionName] == undefined)
			continue;
		obj[optionName] = optionsObj[optionName];
	}
};

Spry.Widget.Utils.firstValid = function() {
	var ret = null;
	for(var i=0; i<Spry.Widget.Utils.firstValid.arguments.length; i++) {
		if (typeof(Spry.Widget.Utils.firstValid.arguments[i]) != 'undefined') {
			ret = Spry.Widget.Utils.firstValid.arguments[i];
			break;
		}
	}
	return ret;
};


Spry.Widget.Utils.specialCharacters = ",8,9,16,17,18,20,27,33,34,35,36,37,38,40,45,144,192,63232,";
Spry.Widget.Utils.specialSafariNavKeys = "63232,63233,63234,63235,63272,63273,63275,63276,63277,63289,";
Spry.Widget.Utils.specialNotSafariCharacters = "39,46,91,92,93,";

Spry.Widget.Utils.specialCharacters += Spry.Widget.Utils.specialSafariNavKeys;

if (!Spry.is.safari) {
	Spry.Widget.Utils.specialCharacters += Spry.Widget.Utils.specialNotSafariCharacters;
}

Spry.Widget.Utils.isSpecialKey = function (ev) {
	return Spry.Widget.Utils.specialCharacters.indexOf("," + ev.keyCode + ",") != -1;
};

Spry.Widget.Utils.getCharacterFromEvent = function(e){
	var keyDown = e.type == "keydown";

	var code = null;
	var character = null;
	if(Spry.is.mozilla && !keyDown){
		if(e.charCode){
			character = String.fromCharCode(e.charCode);
		} else {
			code = e.keyCode;
		}
	} else {
		code = e.keyCode || e.which;
		if (code != 13) {
			character = String.fromCharCode(code);
		}
	}

	if (Spry.is.safari) {
		if (keyDown) {
			code = e.keyCode || e.which;
			character = String.fromCharCode(code);
		} else {
			code = e.keyCode || e.which;
			if (Spry.Widget.Utils.specialCharacters.indexOf("," + code + ",") != -1) {
				character = null;
			} else {
				character = String.fromCharCode(code);
			}
		}
	}

	if(Spry.is.opera) {
		if (Spry.Widget.Utils.specialCharacters.indexOf("," + code + ",") != -1) {
			character = null;
		} else {
			character = String.fromCharCode(code);
		}
	}

	return character;
};

Spry.Widget.Utils.getFirstChildWithNodeNameAtAnyLevel = function(node, nodeName)
{
	var elements  = node.getElementsByTagName(nodeName);
	if (elements) {
		return elements[0];
	}
	return null;
};

Spry.Widget.Utils.getFirstParentWithNodeName = function(node, nodeName)
{
	while (node.parentNode
			&& node.parentNode.nodeName.toLowerCase() != nodeName.toLowerCase()
			&& node.parentNode.nodeName != 'BODY') {
		node = node.parentNode;
	}

	if (node.parentNode && node.parentNode.nodeName.toLowerCase() == nodeName.toLowerCase()) {
		return node.parentNode;
	} else {
		return null;
	}
};

Spry.Widget.Utils.destroyWidgets = function (container)
{
	if (typeof container == 'string') {
		container = document.getElementById(container);
	}

	var q = Spry.Widget.Form.onSubmitWidgetQueue;
	for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
		if (typeof(q[i].destroy) == 'function' && Spry.Widget.Utils.contains(container, q[i].element)) {
			q[i].destroy();
			i--;
		}
	}
};

Spry.Widget.Utils.contains = function (who, what)
{
	if (typeof who.contains == 'object') {
		return what && who && (who == what || who.contains(what));
	} else {
		var el = what;
		while(el) {
			if (el == who) {
				return true;
			}
			el = el.parentNode;
		}
		return false;
	}
};

Spry.Widget.Utils.addEventListener = function(element, eventType, handler, capture)
{
	try
	{
		if (element.addEventListener)
			element.addEventListener(eventType, handler, capture);
		else if (element.attachEvent)
			element.attachEvent("on" + eventType, handler, capture);
	}
	catch (e) {}
};

Spry.Widget.Utils.removeEventListener = function(element, eventType, handler, capture)
{
	try
	{
		if (element.removeEventListener)
			element.removeEventListener(eventType, handler, capture);
		else if (element.detachEvent)
			element.detachEvent("on" + eventType, handler, capture);
	}
	catch (e) {}
};

Spry.Widget.Utils.stopEvent = function(ev)
{
	try
	{
		this.stopPropagation(ev);
		this.preventDefault(ev);
	}
	catch (e) {}
};

/**
 * Stops event propagation
 * @param {Event} ev the event
 */
Spry.Widget.Utils.stopPropagation = function(ev)
{
	if (ev.stopPropagation)
	{
		ev.stopPropagation();
	}
	else
	{
		ev.cancelBubble = true;
	}
};

/**
 * Prevents the default behavior of the event
 * @param {Event} ev the event
 */
Spry.Widget.Utils.preventDefault = function(ev)
{
	if (ev.preventDefault)
	{
		ev.preventDefault();
	}
	else
	{
		ev.returnValue = false;
	}
};



// mensajeAjax
//@author sbalestrini@gmail.com
Spry.Widget.ValidationTextField.prototype.mensajeAjax = function(mensaje, aux)
{
  	//Checkar esto!!!
    //this.reset();	
	this.resetClasses();
    this.addClassName(this.element, this.invalidFormatClass);
  	/*document.getElementById('ajax_'+this.element.id).innerHTML=mensaje;	*/
  	alert(mensaje);
}

// getNombre
//@author sbalestrini@gmail.com
Spry.Widget.ValidationTextField.prototype.getNombre = function()
{
  return  this.element.id;	
}

// SpryValidationTextarea.js - version 0.15 - Spry Pre-Release 1.5
//
// Copyright (c) 2006. Adobe Systems Incorporated.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of Adobe Systems Incorporated nor the names of its
//     contributors may be used to endorse or promote products derived from this
//     software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

var Spry;
if (!Spry) Spry = {};
if (!Spry.Widget) Spry.Widget = {};

Spry.Widget.BrowserSniff = function() {
	var b = navigator.appName.toString();
	var up = navigator.platform.toString();
	var ua = navigator.userAgent.toString();

	this.mozilla = this.ie = this.opera = r = false;
	var re_opera = /Opera.([0-9\.]*)/i;
	var re_msie = /MSIE.([0-9\.]*)/i;
	var re_gecko = /gecko/i;
	var re_safari = /safari\/([\d\.]*)/i;
	
	if (ua.match(re_opera)) {
		r = ua.match(re_opera);
		this.opera = true;
		this.version = parseFloat(r[1]);
	} else if (ua.match(re_msie)) {
		r = ua.match(re_msie);
		this.ie = true;
		this.version = parseFloat(r[1]);
	} else if (ua.match(re_safari)) {
		this.safari = true;
		this.version = 1.4;
	} else if (ua.match(re_gecko)) {
		var re_gecko_version = /rv:\s*([0-9\.]+)/i;
		r = ua.match(re_gecko_version);
		this.mozilla = true;
		this.version = parseFloat(r[1]);
	}
	this.windows = this.mac = this.linux = false;

	this.Platform = ua.match(/windows/i) ? "windows" :
					(ua.match(/linux/i) ? "linux" :
					(ua.match(/mac/i) ? "mac" :
					ua.match(/unix/i)? "unix" : "unknown"));
	this[this.Platform] = true;
	this.v = this.version;

	if (this.safari && this.mac && this.mozilla) {
		this.mozilla = false;
	}
};

Spry.is = new Spry.Widget.BrowserSniff();


Spry.Widget.ValidationTextarea = function(element, options){
	
	options = options || {};
	this.flags = {locked: false};
	this.options = {};
	this.element = element;
	this.init(element);

	if (!this.isBrowserSupported()){
		return;	
	}

	options.useCharacterMasking = Spry.Widget.Utils.firstValid(options.useCharacterMasking, true);
	options.hint = Spry.Widget.Utils.firstValid(options.hint, '');
	options.isRequired = Spry.Widget.Utils.firstValid(options.isRequired, true);
	options.additionalError = Spry.Widget.Utils.firstValid(options.additionalError, false);

	Spry.Widget.Utils.setOptions(this, options);
	Spry.Widget.Utils.setOptions(this.options, options);

	if (options.additionalError)
		this.additionalError = this.getElement(options.additionalError);

	//make sure we validate at least on submit
	var validateOn = ['submit'].concat(Spry.Widget.Utils.firstValid(this.options.validateOn, []));
	validateOn = validateOn.join(",");
	this.validateOn = 0;
	this.validateOn = this.validateOn | (validateOn.indexOf('submit') != -1 ? Spry.Widget.ValidationTextarea.ONSUBMIT : 0);
	this.validateOn = this.validateOn | (validateOn.indexOf('blur') != -1 ? Spry.Widget.ValidationTextarea.ONBLUR : 0);
	this.validateOn = this.validateOn | (validateOn.indexOf('change') != -1 ? Spry.Widget.ValidationTextarea.ONCHANGE : 0);

	if (Spry.Widget.ValidationTextarea.onloadDidFire){
		this.attachBehaviors();
	}else{
		Spry.Widget.ValidationTextarea.loadQueue.push(this);
	}
};

Spry.Widget.ValidationTextarea.ONCHANGE = 1;
Spry.Widget.ValidationTextarea.ONBLUR = 2;
Spry.Widget.ValidationTextarea.ONSUBMIT = 4;

Spry.Widget.ValidationTextarea.INITIAL = 'Initial';
Spry.Widget.ValidationTextarea.REQUIRED = 'Required';
Spry.Widget.ValidationTextarea.INVALID = 'Invalid Format';
Spry.Widget.ValidationTextarea.MINIMUM = 'Minimum Number of Chars Not Met';
Spry.Widget.ValidationTextarea.MAXIMUM = 'Maximum Number of Chars Exceeded';
Spry.Widget.ValidationTextarea.VALID = 'Valid';

Spry.Widget.ValidationTextarea.prototype.init = function(element)
{
	this.element = this.getElement(element);
	this.event_handlers = [];

	this.requiredClass = "textareaRequiredState";
	this.invalidCharsMaxClass = "textareaMaxCharsState";
	this.invalidCharsMinClass = "textareaMinCharsState";
	this.validClass = "textareaValidState";
	this.focusClass = "textareaFocusState";
	this.hintClass = "textareaHintState";
	this.textareaFlashClass = "textareaFlashState";

	this.isMaxInvalid = false;
	this.isMinInvalid = false;
	this.isRequireInvalid = false;
	
	this.safariClicked = false;
	this.state = Spry.Widget.ValidationTextarea.INITIAL;
};

Spry.Widget.ValidationTextarea.prototype.destroy = function() {
	for (var i=0; i<this.event_handlers.length; i++) {
		Spry.Widget.Utils.removeEventListener(this.event_handlers[i][0], this.event_handlers[i][1], this.event_handlers[i][2], false);
	}
	try { delete this.element; } catch(err) {}
	try { delete this.input; } catch(err) {}
	try { delete this.counterEl; } catch(err) {}
	try { delete this.form; } catch(err) {}
	try { delete this.event_handlers; } catch(err) {}
	try { this.cursorPosition.destroy(); } catch(err) {}
	try { delete this.cursorPosition; } catch(err) {}
	try { this.initialCursor.destroy(); } catch(err) {}
	try { delete this.initialCursor; } catch(err) {}

	var q = Spry.Widget.Form.onSubmitWidgetQueue;
	var qlen = q.length;
	for (var i = 0; i < qlen; i++) {
		if (q[i] == this) {
			q.splice(i, 1);
			break;
		}
	}
};

Spry.Widget.ValidationTextarea.prototype.isDisabled = function() {
	return this.input && (this.input.disabled || this.input.readOnly) || !this.input;
};

Spry.Widget.ValidationTextarea.prototype.getElement = function(ele)
{
	if (ele && typeof ele == "string")
		return document.getElementById(ele);
	return ele;
};


Spry.Widget.ValidationTextarea.addLoadListener = function(handler){
	if (typeof window.addEventListener != 'undefined'){
		window.addEventListener('load', handler, false);
	}else if (typeof document.addEventListener != 'undefined'){
		document.addEventListener('load', handler, false);
	}else if (typeof window.attachEvent != 'undefined'){
		window.attachEvent('onload', handler);
	}
};

Spry.Widget.ValidationTextarea.processLoadQueue = function(handler){
	Spry.Widget.ValidationTextarea.onloadDidFire = true;
	var q = Spry.Widget.ValidationTextarea.loadQueue;
	var qlen = q.length;
	for (var i = 0; i < qlen; i++){
		q[i].attachBehaviors();
	}
};

Spry.Widget.ValidationTextarea.onloadDidFire = false;
Spry.Widget.ValidationTextarea.loadQueue = [];
Spry.Widget.ValidationTextarea.addLoadListener(Spry.Widget.ValidationTextarea.processLoadQueue);
Spry.Widget.ValidationTextarea.addLoadListener(function(){
	Spry.Widget.Utils.addEventListener(window, "unload", Spry.Widget.Form.destroyAll, false);
});

Spry.Widget.ValidationTextarea.prototype.isBrowserSupported = function()
{
	return Spry.is.ie && Spry.is.v >= 5 && Spry.is.windows
		||
	Spry.is.mozilla && Spry.is.v >= 1.4
		||
	Spry.is.safari
		||
	Spry.is.opera && Spry.is.v >= 9;
};

/* 
 * register our input to different event notifiers 
 *
 */
Spry.Widget.ValidationTextarea.prototype.attachBehaviors = function()
{
	if (this.element){
		if (this.element.nodeName == "TEXTAREA") {
			this.input = this.element;
		} else {
			this.input = Spry.Widget.Utils.getFirstChildWithNodeNameAtAnyLevel(this.element, "TEXTAREA");
		}
	}
	if (this.options && this.options.counterType && (this.options.counterType == 'chars_count' || this.options.counterType == 'chars_remaining')){
			this.counterEl = document.getElementById(this.options.counterId);
			this.counterChar();
	}

	if (this.input) {
		this.input.setAttribute("AutoComplete", "off");
		this.putHint();
		this.cursorPosition = new Spry.Widget.SelectionDescriptor(this.input);

		var self = this;
		this.event_handlers = [];

		//attach the pattern related event handlers (to stop invalid keys) 
		if (this.useCharacterMasking) {
			if (Spry.is.ie){
				this.event_handlers.push([this.input, "propertychange", function(e) { return self.onKeyEvent(e || event); }]);
				this.event_handlers.push([this.input, "drop", function(e) { return self.onDrop (e || event); }]);
				this.event_handlers.push([this.input, "keypress", function(e) { return self.onKeyPress(e || event); }]);
			} else{
				this.event_handlers.push([this.input, "keydown", function(e) { return self.onKeyDown(e); }]);
				this.event_handlers.push([this.input, "keypress", function(e) { return self.safariKeyPress(e); }]);
				this.event_handlers.push([this.input, "keyup", function(e) { return self.safariValidate(e); }]);
				if (Spry.is.safari){
					this.event_handlers.push([this.input, "mouseup", function(e) { return self.safariMouseUp(e); }]);
					this.event_handlers.push([this.input, "mousedown", function(e) { return self.safariMouseDown(e); }]);
				} else {
					//Firefox bug: 355219
					//this.event_handlers.push([this.input, "input", function(e) { self.onKeyEvent(e); return true;}]);
					this.event_handlers.push([this.input, "dragdrop", function(e) { return self.onKeyEvent(e); }]);
					this.event_handlers.push([this.input, "dragenter", function(e) { self.removeHint(); return self.onKeyDown(e); }]);
					this.event_handlers.push([this.input, "dragexit", function(e) { return self.putHint(); }]);
				}
			}
			// we need to save an initial state in case of invalid input
			this.event_handlers.push([this.input, "keydown", function(e) {return self.onKeyDown(e || event); }]);
		}

		this.event_handlers.push([this.input, "focus", function(e) { return self.onFocus(e || event); }]);
		this.event_handlers.push([this.input, "mousedown", function(e) { return self.onMouseDown(e || event); }]);
		this.event_handlers.push([this.input, "blur", function(e) { return self.onBlur(e || event); }]);

		if (this.validateOn & Spry.Widget.ValidationTextarea.ONCHANGE){
				if (Spry.is.ie){
						this.event_handlers.push([this.input, "propertychange", function(e) { return self.onChange(e || event); }]);
						this.event_handlers.push([this.input, "drop", function(e) { return self.onChange(e || event); }]);
				} else{
						this.event_handlers.push([this.input, "keydown", function(e) { return self.onKeyDown(e); }]);
						this.event_handlers.push([this.input, "keypress", function(e) { return self.safariChangeKeyPress(e); }]);
						this.event_handlers.push([this.input, "keyup", function(e) { return self.safariChangeValidate(e); }]);
						if (Spry.is.safari){
							this.event_handlers.push([this.input, "mouseup", function(e) { return self.safariChangeMouseUp(e); }]);
							this.event_handlers.push([this.input, "mousedown", function(e) { return self.safariMouseDown(e); }]);
						} else {
							// Firefox bug: 355219
							//this.event_handlers.push([this.input, "input", function(e) { return self.onChange(e); }]);
							this.event_handlers.push([this.input, "dragdrop", function(e) {return self.onChange(e); }]);
							this.event_handlers.push([this.input, "dragenter", function(e) { self.removeHint(); return self.onKeyDown(e); }]);
							this.event_handlers.push([this.input, "dragexit", function(e) { return self.putHint(); }]);
						}
				}
		}
		// The counter should be called directly when no enforcement or change restrictions exists
		if (! (this.validateOn & Spry.Widget.ValidationTextarea.ONCHANGE) && !this.useCharacterMasking){
				if (Spry.is.ie){
						this.event_handlers.push([this.input, "propertychange", function(e) { return self.counterChar(); }]);
						this.event_handlers.push([this.input, "drop", function(e) { return self.counterChar(); }]);
				} else{
						this.event_handlers.push([this.input, "keypress", function(e) { return self.counterChar(); }]);
						this.event_handlers.push([this.input, "keyup", function(e) { return self.counterChar(); }]);
						if (Spry.is.safari){
							this.event_handlers.push([this.input, "mouseup", function(e) { return self.counterChar(); }]);
						} else {
							// Firefox bug: 355219
							//this.event_handlers.push([this.input, "input", function(e) { return self.onChange(e); }]);
							this.event_handlers.push([this.input, "dragdrop", function(e) {return self.counterChar(); }]);
						}
				}
		}

		for (var i=0; i<this.event_handlers.length; i++) {
			Spry.Widget.Utils.addEventListener(this.event_handlers[i][0], this.event_handlers[i][1], this.event_handlers[i][2], false);
		}

		this.form = Spry.Widget.Utils.getFirstParentWithNodeName(this.input, "FORM");
		if (this.form) {
			if (!this.form.attachedSubmitHandler && !this.form.onsubmit) {
				this.form.onsubmit = function(e) { e = e || event; return Spry.Widget.Form.onSubmit(e, e.srcElement || e.currentTarget) };
				this.form.attachedSubmitHandler = true;                 
			}
			if (!this.form.attachedResetHandler) {
				Spry.Widget.Utils.addEventListener(this.form, "reset", function(e) { e = e || event; return Spry.Widget.Form.onReset(e, e.srcElement || e.currentTarget) }, false);
				this.form.attachedResetHandler = true;                 
			}
			// add the currrent widget to the "onSubmit" check queue;
			Spry.Widget.Form.onSubmitWidgetQueue.push(this);
		}
	}
	this.saveState();
};

Spry.Widget.ValidationTextarea.prototype.onTyping = function(e){
	if (this.input.disabled == true || this.input.readOnly == true){
			return;	
	}

	if (!this.initialCursor){
		this.initialCursor = this.cursorPosition;	
	}
	// on IE a stack overflow appears
	if (this.flags.locked){
			return true;
	}

	var val = this.input.value;

	var ret = true;
	
	if (this.flags.hintOn){
		return true;
	}
 	if (e && this.input && this.options && this.options.maxChars > 0 && ret){
		if ( val.length > this.options.maxChars  && 
							((!Spry.Widget.Utils.isSpecialKey(e) && this.cursorPosition.start == this.cursorPosition.end) ||
				 			 (Spry.Widget.Utils.isSpecialKey(e) && val != this.initialValue) ||
				 				this.cursorPosition.start != this.cursorPosition.end)
			 ){
					// cut the extra chars and display error
					this.flags.locked = true;
					var initial = this.initialValue;
					var start = this.initialCursor.start;
					var end = this.initialCursor.end;
					if (initial.length && this.initialCursor.end < initial.length) {
							// we try to behave more like maxlength textfield
							var tmp = end - start + this.options.maxChars - initial.length;
							var newValue = initial.substring(0, start) + val.substring(start, start+tmp) + initial.substring(end, initial.length < this.options.maxChars ? initial.length:this.options.maxChars);
							end = start + tmp;
					}else{
							var newValue = val.substring(0, this.options.maxChars);
							end = start = this.options.maxChars;
					}
					if (Spry.is.ie) {
						this.input.innerText = newValue;
					} else {
						this.input.value = newValue;
					}
					this.redTextFlash();
					this.cursorPosition.moveTo(end, end);
					this.flags.locked = false;
					ret = false;
			} else{
					this.setState(Spry.Widget.ValidationTextarea.VALID);
					this.isMaxInvalid = false;
			}
	}
	this.counterChar();
	return ret;
};

Spry.Widget.ValidationTextarea.prototype.validateMinRequired = function(val){
	var oldInvalid = false;
	if (typeof this.notFireMinYet == 'undefined'){
		this.notFireMinYet = false;
	}else{
		oldInvalid = true;
		this.notFireMinYet = true;
	}
	if (this.onBlurOn){
		this.notFireMinYet = true;
	}else if (!this.onKeyEventOn){
		this.notFireMinYet = true;
	}

	if (this.input && this.options && this.options.isRequired){
			if (val.length > 0 && this.isRequireInvalid && (!this.hint || (this.hint && !this.flags.hintOn) || (this.hint && val != this.hint))){
						this.switchClassName(this.validClass);
						this.setState(Spry.Widget.ValidationTextarea.VALID);
						this.isRequireInvalid = false;
			}else if ((val.length == 0 || !(!this.hint || (this.hint && !this.flags.hintOn) || (this.hint && val != this.hint))) && (!this.isRequireInvalid || oldInvalid)){
						if (this.notFireMinYet || Spry.is.ie){
							this.switchClassName(this.requiredClass);
							this.setState(Spry.Widget.ValidationTextarea.REQUIRED);
						}
						this.isRequireInvalid = true;
						this.isMinInvalid = false;
			}
	}
	if (this.input && this.options && this.options.minChars > 0 && !this.isRequireInvalid){
			if (val.length >= this.options.minChars && (!this.hint || (this.hint && !this.flags.hintOn) || (this.hint && val != this.hint)) && this.isMinInvalid){
						this.switchClassName(this.validClass);
						this.setState(Spry.Widget.ValidationTextarea.VALID);
						this.isMinInvalid = false;
			}else if ( (val.length < this.options.minChars || (this.hint && val == this.hint && this.flags.hintOn)) && !this.isMinInvalid){
						this.switchClassName(this.invalidCharsMinClass);
						this.setState(Spry.Widget.ValidationTextarea.MINIMUM);
						this.isMinInvalid = true;
			}
	}
};
Spry.Widget.ValidationTextarea.prototype.counterChar = function(){
	if (!this.counterEl || !this.options || !this.options.counterType || (this.options.counterType != 'chars_remaining' && this.options.counterType != 'chars_count')){
		return;	
	}

	if (this.options.counterType == 'chars_remaining') {
		if (this.options.maxChars > 0){
			if (this.flags.hintOn){
				this.setCounterElementValue(this.options.maxChars);
			} else {
				if (this.options.maxChars > this.input.value.length){
					this.setCounterElementValue(this.options.maxChars - this.input.value.length);
				}else{
					this.setCounterElementValue(0);
				}
			}
		}
	} else {
		if (this.flags.hintOn){
			this.setCounterElementValue(0);
		} else {
			if (this.useCharacterMasking && typeof this.options.maxChars != 'undefined' && this.options.maxChars < this.input.value.length){
				this.setCounterElementValue(this.options.maxChars);
			} else {
				this.setCounterElementValue(this.input.value.length);
			}
		}
	}
};

Spry.Widget.ValidationTextarea.prototype.setCounterElementValue = function(val){
		if ( this.counterEl.nodeName.toLowerCase() != 'input' && 
			this.counterEl.nodeName.toLowerCase() != 'textarea' &&
			this.counterEl.nodeName.toLowerCase() != 'select' &&
			this.counterEl.nodeName.toLowerCase() != 'img'){
			this.counterEl.innerHTML = val;
		}
};
Spry.Widget.ValidationTextarea.prototype.reset = function() {
	this.removeHint();
	this.removeClassName(this.requiredClass);
	this.removeClassName(this.invalidCharsMinClass);
	this.removeClassName(this.invalidCharsMaxClass);
	this.removeClassName(this.validClass);
	this.setState(Spry.Widget.ValidationTextarea.INITIAL);
	var self = this;
	setTimeout(function() {self.putHint();self.counterChar();}, 10);
};

Spry.Widget.ValidationTextarea.prototype.validate = function(){
	if (this.input.disabled == true || this.input.readOnly == true){
			return true;	
	}

	var val = this.input.value;
	this.validateMinRequired(val);

	var ret = !this.isMinInvalid && !this.isRequireInvalid;

	if (ret && this.options.maxChars > 0 && !this.useCharacterMasking){
			if (val.length <= this.options.maxChars || (this.hint && this.hint == val && this.flags.hintOn))	{
					this.switchClassName(this.validClass);
					this.setState(Spry.Widget.ValidationTextarea.VALID);
				  this.isMaxInvalid = false;
			}else{
					this.switchClassName(this.invalidCharsMaxClass);
					this.setState(Spry.Widget.ValidationTextarea.MAXIMUM);
					this.isMaxInvalid = true;	
			}
	}
	ret = ret && !this.isMaxInvalid;
	if (ret) {
		this.switchClassName(this.validClass);
	}
	this.counterChar();	
	return ret;
};

Spry.Widget.ValidationTextarea.prototype.setState = function(newstate){
	this.state = newstate;
};

Spry.Widget.ValidationTextarea.prototype.getState = function(){
	return this.state;
};

Spry.Widget.ValidationTextarea.prototype.removeHint = function()
{
	if (this.flags.hintOn) 
	{
		this.flags.locked = true;
		this.input.value = "";
		this.flags.locked = false;
		this.flags.hintOn = false;
		this.removeClassName(this.hintClass);
	}
};

Spry.Widget.ValidationTextarea.prototype.putHint = function()
{
	if(this.hint && this.input.value == "") {
		this.flags.hintOn = true;
		this.input.value = this.hint;
		this.addClassName(this.hintClass);
	}
};

Spry.Widget.ValidationTextarea.prototype.redTextFlash = function()
{
	var self = this;
	this.addClassName(this.textareaFlashClass);
	setTimeout(function() {
		self.removeClassName(self.textareaFlashClass)
	}, 200);
};


Spry.Widget.ValidationTextarea.prototype.onKeyPress = function(e)
{
	//ENTER has length 2 on IE Windows, so will exceed maxLength on proximity
	if (Spry.is.ie && Spry.is.windows && e.keyCode == 13) {
		if ( (this.initialCursor.length + this.options.maxChars - this.input.value.length) < 2) {
			Spry.Widget.Utils.stopEvent(e);
			return false;
		}
	}
};

Spry.Widget.ValidationTextarea.prototype.onKeyDown = function(e)
{ 
	this.saveState();
	this.keyCode = e.keyCode;
	return true;
};

/*
 * hadle for the max chars restrictions
 * if key pressed or the input text is invalid it returns false
 * 
 */
Spry.Widget.ValidationTextarea.prototype.onKeyEvent = function(e){
	// on IE we look only for this input value changes
	if (e.type == 'propertychange' && e.propertyName != 'value'){
			return true;
	}

	var allow = this.onTyping(e);

	if (!allow){
		Spry.Widget.Utils.stopEvent(e);
	}
	//return allow;
};

/*
 * handle for the min or required value
 * if the input text is invalid it returns false
 * 
 */
Spry.Widget.ValidationTextarea.prototype.onChange = function(e){
	if (Spry.is.ie && e && e.type == 'propertychange' && e.propertyName != 'value') {
		return true;
	}

	if (this.flags.drop) {
		//delay this if it's a drop operation
		var self = this;
		setTimeout(function() {
			self.flags.drop = false;
			self.onChange(null);
		}, 0);
		return true;
	}
	if (this.flags.hintOn) {
		return true;
	}
	this.onKeyEventOn = true;
	var answer = this.validate();
	this.onKeyEventOn = false;
	return answer;
};

Spry.Widget.ValidationTextarea.prototype.onMouseDown = function(e)
{
	if (this.flags.active) {
		//mousedown fires before focus
		//avoid double saveState on first focus by mousedown by checking if the control has focus
		//do nothing if it's not focused because saveState will be called onfocus
		this.saveState();
	}
};

Spry.Widget.ValidationTextarea.prototype.onDrop = function(e)
{
	//mark that a drop operation is in progress to avoid race conditions with event handlers for other events
	//especially onchange and onfocus
	this.flags.drop = true;
	this.removeHint();

	if (Spry.is.ie) {
		var rng = document.body.createTextRange();
		rng.moveToPoint(e.x, e.y);
		rng.select();
	}

	this.saveState();
	this.flags.active = true;
	this.addClassName(this.focusClass);
};

Spry.Widget.ValidationTextarea.prototype.onFocus = function(e)
{
	if (this.flags.drop) {
		return;
	}
	this.removeHint();
	this.saveState();
	this.flags.active = true;
	this.addClassName(this.focusClass);
};

Spry.Widget.ValidationTextarea.prototype.onBlur = function(e){
	this.removeClassName(this.focusClass);

	if (this.validateOn & Spry.Widget.ValidationTextarea.ONBLUR) {
		this.onBlurOn = true;
		this.validate();
		this.onBlurOn = false;
	}

	this.flags.active = false;
	var self = this;
	setTimeout(function() {self.putHint();}, 10);
};

Spry.Widget.ValidationTextarea.prototype.safariMouseDown = function(e){
	this.safariClicked = true;
};
Spry.Widget.ValidationTextarea.prototype.safariChangeMouseUp = function(e){
		if (!this.safariClicked){
			this.onKeyDown(e); 
			return this.safariChangeValidate(e, false);
		}else{
			this.safariClicked = false;
			return true;
		}
};

Spry.Widget.ValidationTextarea.prototype.safariMouseUp = function(e){
		if (!this.safariClicked){
			this.onKeyDown(e);
			return this.safariValidate(e, false);
		}else{
			this.safariClicked = false;
			return true;
		}
};

Spry.Widget.ValidationTextarea.prototype.safariKeyPress = function(e){
	this.safariFlag = new Date();
	return this.safariValidate(e, true);
};

Spry.Widget.ValidationTextarea.prototype.safariValidate = function(e, recall)
{
	if (e.keyCode && Spry.Widget.Utils.isSpecialKey(e) && e.keyCode != 8 && e.keyCode != 46){
		return true;
	}
	var answer = this.onTyping(e);

	// the answer to this is not yet final - we schedule another closing check
	if (new Date() - this.safariFlag < 1000 && recall){
		var self = this;
		setTimeout(function(){self.safariValidate(e, false);}, 1000);
	}
	return answer;
};

Spry.Widget.ValidationTextarea.prototype.safariChangeKeyPress = function(e){
	this.safariChangeFlag = new Date();
	return this.safariChangeValidate(e, true);
};

Spry.Widget.ValidationTextarea.prototype.safariChangeValidate = function(e, recall){
	
	if(e.keyCode && Spry.Widget.Utils.isSpecialKey(e) && e.keyCode != 8 && e.keyCode != 46){
		return true;	
	}
	var answer = this.onChange(e);

	// the answer to this is not yet final - we schedule another closing check
	if (new Date() - this.safariChangeFlag < 1000 && recall){
		var self = this;
		setTimeout(function(){ self.safariChangeValidate(e, false);}, 1000 - new Date() + this.safariChangeFlag);
	}
	return answer;
};

/*
 * save an initial state of the input to restore if the value is invalid
 * 
 */
Spry.Widget.ValidationTextarea.prototype.saveState = function(e){
	
	// we don't need this initial value that is already invalid
	if (this.options.maxChars > 0 && this.input.value.length > this.options.maxChars){
		return;
	}
	this.cursorPosition.update();
	if (!this.flags.hintOn){
		this.initialValue = this.input.value;
	}else{
		this.initialValue = '';
	}
	this.initialCursor = this.cursorPosition; 
	return true;
};

Spry.Widget.ValidationTextarea.prototype.checkClassName = function(ele, className){
	if (!ele || !className){
		return false;
	}
	if (typeof ele == 'string' ) {
		ele = document.getElementById(ele);
		if (!ele){
			return false;	
		}
	}
	if (!ele.className){
		ele.className = ' ';
	}
	return ele;
};

Spry.Widget.ValidationTextarea.prototype.switchClassName = function (className){
	var classes = [this.invalidCharsMaxClass, this.validClass, this.requiredClass, this.invalidCharsMinClass];

	for (var k = 0; k < classes.length; k++){
		if (classes[k] != className){
				this.removeClassName(classes[k]);			
		}
	}

	this.addClassName(className);
};

Spry.Widget.ValidationTextarea.prototype.addClassName = function(clssName){
	var ele = this.checkClassName(this.element, clssName);
	var add = this.checkClassName(this.additionalError, clssName);

	if (!ele || ele.className.search(new RegExp("\\b" + clssName + "\\b")) != -1){
	  return;
	}
	this.element.className += ' ' + clssName;
	if (add)
		add.className += ' ' + clssName;
};

Spry.Widget.ValidationTextarea.prototype.removeClassName = function(className){
	var ele = this.checkClassName(this.element, className);
	var add = this.checkClassName(this.additionalError, className);
	if (!ele){
	  return;	
	}
	ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), '');
	if (add){
		add.className = add.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), '');
	}
}; 

/**
 * SelectionDescriptor is a wrapper for input type text selection methods and properties 
 * as implemented by various  browsers
 */
Spry.Widget.SelectionDescriptor = function (element)
{
	this.element = element;
	this.update();
};

Spry.Widget.SelectionDescriptor.prototype.update = function()
{
	if (Spry.is.ie && Spry.is.windows) {
		var sel = this.element.ownerDocument.selection;
		if (this.element.nodeName == "TEXTAREA") {
			if (sel.type != 'None') {
				try{var range = sel.createRange();}catch(err){return;}
				if (range.parentElement() == this.element){
					var range_all = this.element.ownerDocument.body.createTextRange();
					range_all.moveToElementText(this.element);
					for (var sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start ++){
						range_all.moveStart('character', 1);
					}
					this.start = sel_start;
					// create a selection of the whole this.element
					range_all = this.element.ownerDocument.body.createTextRange();
					range_all.moveToElementText(this.element);
					for (var sel_end = 0; range_all.compareEndPoints('StartToEnd', range) < 0; sel_end++){
						range_all.moveStart('character', 1);
					}
					this.end = sel_end;
					this.length = this.end - this.start;
					// get selected and surrounding text
					this.text = range.text;
		 		}
			}        
		} else if (this.element.nodeName == "INPUT"){
			try{this.range = sel.createRange();}catch(err){return;}
			this.length = this.range.text.length;
			var clone = this.range.duplicate();
			this.start = -clone.moveStart("character", -10000);
			clone = this.range.duplicate();
			clone.collapse(false);
			this.end = -clone.moveStart("character", -10000);
			this.text = this.range.text;
		}
	} else {
		var tmp = this.element;
		var selectionStart = 0;
		var selectionEnd = 0;
        
		try { selectionStart = tmp.selectionStart;} catch(err) {}
		try { selectionEnd = tmp.selectionEnd;} catch(err) {}

		if (Spry.is.safari) {
			if (selectionStart == 2147483647) {
				selectionStart = 0;
			}
			if (selectionEnd == 2147483647) {
				selectionEnd = 0;
			}
		}
		this.start = selectionStart;
		this.end = selectionEnd;
		this.length = selectionEnd - selectionStart;
		this.text = this.element.value.substring(selectionStart, selectionEnd);
	}
};

Spry.Widget.SelectionDescriptor.prototype.destroy = function() {
	try { delete this.range} catch(err) {}
	try { delete this.element} catch(err) {}
};

Spry.Widget.SelectionDescriptor.prototype.moveTo = function(start, end)
{
	if (Spry.is.ie && Spry.is.windows) {
		if (this.element.nodeName == "TEXTAREA") {
			var ta_range = this.element.createTextRange();
			this.range = this.element.createTextRange();
			this.range.move("character", start);
			this.range.moveEnd("character", end - start);
			
			var c1 = this.range.compareEndPoints("StartToStart", ta_range);
			if (c1 < 0) {
				this.range.setEndPoint("StartToStart", ta_range);
			}

			var c2 = this.range.compareEndPoints("EndToEnd", ta_range);
			if (c2 > 0) {
				this.range.setEndPoint("EndToEnd", ta_range);
			}
		} else if (this.element.nodeName == "INPUT"){
			this.range = this.element.ownerDocument.selection.createRange();
			this.range.move("character", -10000);
			this.start = this.range.moveStart("character", start);
			this.end = this.start + this.range.moveEnd("character", end - start);
		}
		this.range.select();
	} else {
		this.start = start;
		try { this.element.selectionStart = start; } catch(err) {}
		this.end = end;
		try { this.element.selectionEnd = end; } catch(err) {}
	}
	this.ignore = true;
	this.update();
};

//////////////////////////////////////////////////////////////////////
//
// Spry.Widget.Form - common for all widgets
//
//////////////////////////////////////////////////////////////////////

if (!Spry.Widget.Form) Spry.Widget.Form = {};
if (!Spry.Widget.Form.onSubmitWidgetQueue) Spry.Widget.Form.onSubmitWidgetQueue = [];

if (!Spry.Widget.Form.validate) {
	Spry.Widget.Form.validate = function(vform) {
		var isValid = true;
		var isElementValid = true;
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		var qlen = q.length;
		for (var i = 0; i < qlen; i++) {
			if (!q[i].isDisabled() && q[i].form == vform) {
				isElementValid = q[i].validate();
				isValid = isElementValid && isValid;
			}
		}
		return isValid;
	}
};

if (!Spry.Widget.Form.onSubmit) {
	Spry.Widget.Form.onSubmit = function(e, form)
	{
		if (Spry.Widget.Form.validate(form) == false) {
			return false;
		}
		return true;
	};
};

if (!Spry.Widget.Form.onReset) {
	Spry.Widget.Form.onReset = function(e, vform)
	{
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		var qlen = q.length;
		for (var i = 0; i < qlen; i++) {
			if (!q[i].isDisabled() && q[i].form == vform && typeof(q[i].reset) == 'function') {
				q[i].reset();
			}
		}
		return true;
	};
};

if (!Spry.Widget.Form.destroy) {
	Spry.Widget.Form.destroy = function(form)
	{
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
			if (q[i].form == form && typeof(q[i].destroy) == 'function') {
				q[i].destroy();
				i--;
			}
		}
	}
};

if (!Spry.Widget.Form.destroyAll) {
	Spry.Widget.Form.destroyAll = function()
	{
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
			if (typeof(q[i].destroy) == 'function') {
				q[i].destroy();
				i--;
			}
		}
	}
};

//////////////////////////////////////////////////////////////////////
//
// Spry.Widget.Utils
//
//////////////////////////////////////////////////////////////////////

if (!Spry.Widget.Utils)	Spry.Widget.Utils = {};

Spry.Widget.Utils.setOptions = function(obj, optionsObj, ignoreUndefinedProps)
{
	if (!optionsObj)
		return;
	for (var optionName in optionsObj)
	{
		if (ignoreUndefinedProps && optionsObj[optionName] == undefined)
			continue;
		obj[optionName] = optionsObj[optionName];
	}
};

Spry.Widget.Utils.firstValid = function() {
	var ret = null;
	for(var i=0; i<Spry.Widget.Utils.firstValid.arguments.length; i++) {
		if (typeof(Spry.Widget.Utils.firstValid.arguments[i]) != 'undefined') {
			ret = Spry.Widget.Utils.firstValid.arguments[i];
			break;
		}
	}
	return ret;
};

Spry.Widget.Utils.specialSafariNavKeys = ",63232,63233,63234,63235,63272,63273,63275,63276,63277,63289,";

Spry.Widget.Utils.specialCharacters = ",8,9,16,17,18,20,27,33,34,35,36,37,38,39,40,45,46,91,92,93,144,192,63232,";
Spry.Widget.Utils.specialCharacters += Spry.Widget.Utils.specialSafariNavKeys;

Spry.Widget.Utils.isSpecialKey = function (ev) {
	return Spry.Widget.Utils.specialCharacters.indexOf("," + ev.keyCode + ",") != -1;
};

Spry.Widget.Utils.getFirstChildWithNodeNameAtAnyLevel = function(node, nodeName) {
	var elements  = node.getElementsByTagName(nodeName);
	if (elements) {
		return elements[0];
	}
	return null;
};

Spry.Widget.Utils.getFirstParentWithNodeName = function(node, nodeName)
{
	while (node.parentNode
			&& node.parentNode.nodeName.toLowerCase() != nodeName.toLowerCase()
			&& node.parentNode.nodeName != 'BODY') {
		node = node.parentNode;
	}

	if (node.parentNode && node.parentNode.nodeName.toLowerCase() == nodeName.toLowerCase()) {
		return node.parentNode;
	} else {
		return null;
	}
};

Spry.Widget.Utils.destroyWidgets = function (container)
{
	if (typeof container == 'string') {
		container = document.getElementById(container);
	}

	var q = Spry.Widget.Form.onSubmitWidgetQueue;
	for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
		if (typeof(q[i].destroy) == 'function' && Spry.Widget.Utils.contains(container, q[i].element)) {
			q[i].destroy();
			i--;
		}
	}
};

Spry.Widget.Utils.contains = function (who, what)
{
	if (typeof who.contains == 'object') {
		return what && who && (who == what || who.contains(what));
	} else {
		var el = what;
		while(el) {
			if (el == who) {
				return true;
			}
			el = el.parentNode;
		}
		return false;
	}
};

Spry.Widget.Utils.addEventListener = function(element, eventType, handler, capture)
{
	try
	{
		if (element.addEventListener)
			element.addEventListener(eventType, handler, capture);
		else if (element.attachEvent)
			element.attachEvent("on" + eventType, handler, capture);
	}
	catch (e) {}
};

Spry.Widget.Utils.removeEventListener = function(element, eventType, handler, capture)
{
	try
	{
		if (element.removeEventListener)
			element.removeEventListener(eventType, handler, capture);
		else if (element.detachEvent)
			element.detachEvent("on" + eventType, handler, capture);
	}
	catch (e) {}
};

Spry.Widget.Utils.stopEvent = function(ev)
{
	try
	{
		this.stopPropagation(ev);
		this.preventDefault(ev);
	}
	catch (e) {}
};

/**
 * Stops event propagation
 * @param {Event} ev the event
 */
Spry.Widget.Utils.stopPropagation = function(ev)
{
	if (ev.stopPropagation)
	{
		ev.stopPropagation();
	}
	else
	{
		ev.cancelBubble = true;
	}
};

/**
 * Prevents the default behavior of the event
 * @param {Event} ev the event
 */
Spry.Widget.Utils.preventDefault = function(ev)
{
	if (ev.preventDefault)
	{
		ev.preventDefault();
	}
	else
	{
		ev.returnValue = false;
	}
};


// Mensaje AJAX
// @author sbalestrini@gmail.com
Spry.Widget.ValidationTextarea.prototype.mensajeAjax = function(mensaje, aux)
{
	this.resetClasses();
    this.addClassName(this.element, this.invalidFormatClass);
  	/*document.getElementById('ajax_'+this.element.id).innerHTML=mensaje;	*/
  	alert(mensaje);
}


Spry.Widget.ValidationTextarea.prototype.getNombre = function()
{
  return  this.element.id;	
}

Spry.Widget.ValidationTextarea.prototype.setRequired = function(estate)
{
  	this.isRequired = estate 
}