/* Prototype JavaScript framework, version 1.7
* (c) 2005-2010 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: '1.7',
Browser: (function(){
var ua = navigator.userAgent;
var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
return {
IE: !!window.attachEvent && !isOpera,
Opera: isOpera,
WebKit: ua.indexOf('AppleWebKit/') > -1,
Gecko: ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
MobileSafari: /Apple.*Mobile/.test(ua)
}
})(),
BrowserFeatures: {
XPath: !!document.evaluate,
SelectorsAPI: !!document.querySelector,
ElementExtensions: (function() {
var constructor = window.Element || window.HTMLElement;
return !!(constructor && constructor.prototype);
})(),
SpecificElementExtensions: (function() {
if (typeof window.HTMLDivElement !== 'undefined')
return true;
var div = document.createElement('div'),
form = document.createElement('form'),
isSupported = false;
if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
isSupported = true;
}
div = form = null;
return isSupported;
})()
},
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;
var Abstract = { };
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;
}
};
/* Based on Alex Arnell's inheritance implementation. */
var Class = (function() {
var IS_DONTENUM_BUGGY = (function(){
for (var p in { toString: 1 }) {
if (p === 'toString') return false;
}
return true;
})();
function subclass() {};
function create() {
var parent = null, properties = $A(arguments);
if (Object.isFunction(properties[0]))
parent = properties.shift();
function klass() {
this.initialize.apply(this, arguments);
}
Object.extend(klass, Class.Methods);
klass.superclass = parent;
klass.subclasses = [];
if (parent) {
subclass.prototype = parent.prototype;
klass.prototype = new subclass;
parent.subclasses.push(klass);
}
for (var i = 0, length = properties.length; i < length; i++)
klass.addMethods(properties[i]);
if (!klass.prototype.initialize)
klass.prototype.initialize = Prototype.emptyFunction;
klass.prototype.constructor = klass;
return klass;
}
function addMethods(source) {
var ancestor = this.superclass && this.superclass.prototype,
properties = Object.keys(source);
if (IS_DONTENUM_BUGGY) {
if (source.toString != Object.prototype.toString)
properties.push("toString");
if (source.valueOf != Object.prototype.valueOf)
properties.push("valueOf");
}
for (var i = 0, length = properties.length; i < length; i++) {
var property = properties[i], value = source[property];
if (ancestor && Object.isFunction(value) &&
value.argumentNames()[0] == "$super") {
var method = value;
value = (function(m) {
return function() { return ancestor[m].apply(this, arguments); };
})(property).wrap(method);
value.valueOf = method.valueOf.bind(method);
value.toString = method.toString.bind(method);
}
this.prototype[property] = value;
}
return this;
}
return {
create: create,
Methods: {
addMethods: addMethods
}
};
})();
(function() {
var _toString = Object.prototype.toString,
NULL_TYPE = 'Null',
UNDEFINED_TYPE = 'Undefined',
BOOLEAN_TYPE = 'Boolean',
NUMBER_TYPE = 'Number',
STRING_TYPE = 'String',
OBJECT_TYPE = 'Object',
FUNCTION_CLASS = '[object Function]',
BOOLEAN_CLASS = '[object Boolean]',
NUMBER_CLASS = '[object Number]',
STRING_CLASS = '[object String]',
ARRAY_CLASS = '[object Array]',
DATE_CLASS = '[object Date]',
NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON &&
typeof JSON.stringify === 'function' &&
JSON.stringify(0) === '0' &&
typeof JSON.stringify(Prototype.K) === 'undefined';
function Type(o) {
switch(o) {
case null: return NULL_TYPE;
case (void 0): return UNDEFINED_TYPE;
}
var type = typeof o;
switch(type) {
case 'boolean': return BOOLEAN_TYPE;
case 'number': return NUMBER_TYPE;
case 'string': return STRING_TYPE;
}
return OBJECT_TYPE;
}
function extend(destination, source) {
for (var property in source)
destination[property] = source[property];
return destination;
}
function inspect(object) {
try {
if (isUndefined(object)) return 'undefined';
if (object === null) return 'null';
return object.inspect ? object.inspect() : String(object);
} catch (e) {
if (e instanceof RangeError) return '...';
throw e;
}
}
function toJSON(value) {
return Str('', { '': value }, []);
}
function Str(key, holder, stack) {
var value = holder[key],
type = typeof value;
if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') {
value = value.toJSON(key);
}
var _class = _toString.call(value);
switch (_class) {
case NUMBER_CLASS:
case BOOLEAN_CLASS:
case STRING_CLASS:
value = value.valueOf();
}
switch (value) {
case null: return 'null';
case true: return 'true';
case false: return 'false';
}
type = typeof value;
switch (type) {
case 'string':
return value.inspect(true);
case 'number':
return isFinite(value) ? String(value) : 'null';
case 'object':
for (var i = 0, length = stack.length; i < length; i++) {
if (stack[i] === value) { throw new TypeError(); }
}
stack.push(value);
var partial = [];
if (_class === ARRAY_CLASS) {
for (var i = 0, length = value.length; i < length; i++) {
var str = Str(i, value, stack);
partial.push(typeof str === 'undefined' ? 'null' : str);
}
partial = '[' + partial.join(',') + ']';
} else {
var keys = Object.keys(value);
for (var i = 0, length = keys.length; i < length; i++) {
var key = keys[i], str = Str(key, value, stack);
if (typeof str !== "undefined") {
partial.push(key.inspect(true)+ ':' + str);
}
}
partial = '{' + partial.join(',') + '}';
}
stack.pop();
return partial;
}
}
function stringify(object) {
return JSON.stringify(object);
}
function toQueryString(object) {
return $H(object).toQueryString();
}
function toHTML(object) {
return object && object.toHTML ? object.toHTML() : String.interpret(object);
}
function keys(object) {
if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); }
var results = [];
for (var property in object) {
if (object.hasOwnProperty(property)) {
results.push(property);
}
}
return results;
}
function values(object) {
var results = [];
for (var property in object)
results.push(object[property]);
return results;
}
function clone(object) {
return extend({ }, object);
}
function isElement(object) {
return !!(object && object.nodeType == 1);
}
function isArray(object) {
return _toString.call(object) === ARRAY_CLASS;
}
var hasNativeIsArray = (typeof Array.isArray == 'function')
&& Array.isArray([]) && !Array.isArray({});
if (hasNativeIsArray) {
isArray = Array.isArray;
}
function isHash(object) {
return object instanceof Hash;
}
function isFunction(object) {
return _toString.call(object) === FUNCTION_CLASS;
}
function isString(object) {
return _toString.call(object) === STRING_CLASS;
}
function isNumber(object) {
return _toString.call(object) === NUMBER_CLASS;
}
function isDate(object) {
return _toString.call(object) === DATE_CLASS;
}
function isUndefined(object) {
return typeof object === "undefined";
}
extend(Object, {
extend: extend,
inspect: inspect,
toJSON: NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON,
toQueryString: toQueryString,
toHTML: toHTML,
keys: Object.keys || keys,
values: values,
clone: clone,
isElement: isElement,
isArray: isArray,
isHash: isHash,
isFunction: isFunction,
isString: isString,
isNumber: isNumber,
isDate: isDate,
isUndefined: isUndefined
});
})();
Object.extend(Function.prototype, (function() {
var slice = Array.prototype.slice;
function update(array, args) {
var arrayLength = array.length, length = args.length;
while (length--) array[arrayLength + length] = args[length];
return array;
}
function merge(array, args) {
array = slice.call(array, 0);
return update(array, args);
}
function argumentNames() {
var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
.replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
.replace(/\s+/g, '').split(',');
return names.length == 1 && !names[0] ? [] : names;
}
function bind(context) {
if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
var __method = this, args = slice.call(arguments, 1);
return function() {
var a = merge(args, arguments);
return __method.apply(context, a);
}
}
function bindAsEventListener(context) {
var __method = this, args = slice.call(arguments, 1);
return function(event) {
var a = update([event || window.event], args);
return __method.apply(context, a);
}
}
function curry() {
if (!arguments.length) return this;
var __method = this, args = slice.call(arguments, 0);
return function() {
var a = merge(args, arguments);
return __method.apply(this, a);
}
}
function delay(timeout) {
var __method = this, args = slice.call(arguments, 1);
timeout = timeout * 1000;
return window.setTimeout(function() {
return __method.apply(__method, args);
}, timeout);
}
function defer() {
var args = update([0.01], arguments);
return this.delay.apply(this, args);
}
function wrap(wrapper) {
var __method = this;
return function() {
var a = update([__method.bind(this)], arguments);
return wrapper.apply(this, a);
}
}
function methodize() {
if (this._methodized) return this._methodized;
var __method = this;
return this._methodized = function() {
var a = update([this], arguments);
return __method.apply(null, a);
};
}
return {
argumentNames: argumentNames,
bind: bind,
bindAsEventListener: bindAsEventListener,
curry: curry,
delay: delay,
defer: defer,
wrap: wrap,
methodize: methodize
}
})());
(function(proto) {
function toISOString() {
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';
}
function toJSON() {
return this.toISOString();
}
if (!proto.toISOString) proto.toISOString = toISOString;
if (!proto.toJSON) proto.toJSON = toJSON;
})(Date.prototype);
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();
this.currentlyExecuting = false;
} catch(e) {
this.currentlyExecuting = false;
throw e;
}
}
}
});
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, (function() {
var NATIVE_JSON_PARSE_SUPPORT = window.JSON &&
typeof JSON.parse === 'function' &&
JSON.parse('{"test": true}').test;
function prepareReplacement(replacement) {
if (Object.isFunction(replacement)) return replacement;
var template = new Template(replacement);
return function(match) { return template.evaluate(match) };
}
function gsub(pattern, replacement) {
var result = '', source = this, match;
replacement = prepareReplacement(replacement);
if (Object.isString(pattern))
pattern = RegExp.escape(pattern);
if (!(pattern.length || pattern.source)) {
replacement = replacement('');
return replacement + source.split('').join(replacement) + 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;
}
function sub(pattern, replacement, count) {
replacement = prepareReplacement(replacement);
count = Object.isUndefined(count) ? 1 : count;
return this.gsub(pattern, function(match) {
if (--count < 0) return match[0];
return replacement(match);
});
}
function scan(pattern, iterator) {
this.gsub(pattern, iterator);
return String(this);
}
function truncate(length, truncation) {
length = length || 30;
truncation = Object.isUndefined(truncation) ? '...' : truncation;
return this.length > length ?
this.slice(0, length - truncation.length) + truncation : String(this);
}
function strip() {
return this.replace(/^\s+/, '').replace(/\s+$/, '');
}
function stripTags() {
return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
}
function stripScripts() {
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
}
function extractScripts() {
var matchAll = new RegExp(Prototype.ScriptFragment, 'img'),
matchOne = new RegExp(Prototype.ScriptFragment, 'im');
return (this.match(matchAll) || []).map(function(scriptTag) {
return (scriptTag.match(matchOne) || ['', ''])[1];
});
}
function evalScripts() {
return this.extractScripts().map(function(script) { return eval(script) });
}
function escapeHTML() {
return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
}
function unescapeHTML() {
return this.stripTags().replace(/</g,'<').replace(/>/g,'>').replace(/&/g,'&');
}
function toQueryParams(separator) {
var match = this.strip().match(/([^?#]*)(#.*)?$/);
if (!match) return { };
return match[1].split(separator || '&').inject({ }, function(hash, pair) {
if ((pair = pair.split('='))[0]) {
var key = decodeURIComponent(pair.shift()),
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;
});
}
function toArray() {
return this.split('');
}
function succ() {
return this.slice(0, this.length - 1) +
String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
}
function times(count) {
return count < 1 ? '' : new Array(count + 1).join(this);
}
function camelize() {
return this.replace(/-+(.)?/g, function(match, chr) {
return chr ? chr.toUpperCase() : '';
});
}
function capitalize() {
return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
}
function underscore() {
return this.replace(/::/g, '/')
.replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
.replace(/([a-z\d])([A-Z])/g, '$1_$2')
.replace(/-/g, '_')
.toLowerCase();
}
function dasherize() {
return this.replace(/_/g, '-');
}
function inspect(useDoubleQuotes) {
var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
if (character in String.specialChar) {
return String.specialChar[character];
}
return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
});
if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
return "'" + escapedString.replace(/'/g, '\\\'') + "'";
}
function unfilterJSON(filter) {
return this.replace(filter || Prototype.JSONFilter, '$1');
}
function isJSON() {
var str = this;
if (str.blank()) return false;
str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@');
str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
return (/^[\],:{}\s]*$/).test(str);
}
function evalJSON(sanitize) {
var json = this.unfilterJSON(),
cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
if (cx.test(json)) {
json = json.replace(cx, function (a) {
return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
});
}
try {
if (!sanitize || json.isJSON()) return eval('(' + json + ')');
} catch (e) { }
throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
}
function parseJSON() {
var json = this.unfilterJSON();
return JSON.parse(json);
}
function include(pattern) {
return this.indexOf(pattern) > -1;
}
function startsWith(pattern) {
return this.lastIndexOf(pattern, 0) === 0;
}
function endsWith(pattern) {
var d = this.length - pattern.length;
return d >= 0 && this.indexOf(pattern, d) === d;
}
function empty() {
return this == '';
}
function blank() {
return /^\s*$/.test(this);
}
function interpolate(object, pattern) {
return new Template(this, pattern).evaluate(object);
}
return {
gsub: gsub,
sub: sub,
scan: scan,
truncate: truncate,
strip: String.prototype.trim || strip,
stripTags: stripTags,
stripScripts: stripScripts,
extractScripts: extractScripts,
evalScripts: evalScripts,
escapeHTML: escapeHTML,
unescapeHTML: unescapeHTML,
toQueryParams: toQueryParams,
parseQuery: toQueryParams,
toArray: toArray,
succ: succ,
times: times,
camelize: camelize,
capitalize: capitalize,
underscore: underscore,
dasherize: dasherize,
inspect: inspect,
unfilterJSON: unfilterJSON,
isJSON: isJSON,
evalJSON: NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON,
include: include,
startsWith: startsWith,
endsWith: endsWith,
empty: empty,
blank: blank,
interpolate: interpolate
};
})());
var Template = Class.create({
initialize: function(template, pattern) {
this.template = template.toString();
this.pattern = pattern || Template.Pattern;
},
evaluate: function(object) {
if (object && Object.isFunction(object.toTemplateReplacements))
object = object.toTemplateReplacements();
return this.template.gsub(this.pattern, function(match) {
if (object == null) return (match[1] + '');
var before = match[1] || '';
if (before == '\\') return match[2];
var ctx = object, expr = match[3],
pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
match = pattern.exec(expr);
if (match == null) return before;
while (match != null) {
var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : 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);
});
}
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
var $break = { };
var Enumerable = (function() {
function each(iterator, context) {
var index = 0;
try {
this._each(function(value) {
iterator.call(context, value, index++);
});
} catch (e) {
if (e != $break) throw e;
}
return this;
}
function eachSlice(number, iterator, context) {
var index = -number, slices = [], array = this.toArray();
if (number < 1) return array;
while ((index += number) < array.length)
slices.push(array.slice(index, index+number));
return slices.collect(iterator, context);
}
function all(iterator, context) {
iterator = iterator || Prototype.K;
var result = true;
this.each(function(value, index) {
result = result && !!iterator.call(context, value, index);
if (!result) throw $break;
});
return result;
}
function any(iterator, context) {
iterator = iterator || Prototype.K;
var result = false;
this.each(function(value, index) {
if (result = !!iterator.call(context, value, index))
throw $break;
});
return result;
}
function collect(iterator, context) {
iterator = iterator || Prototype.K;
var results = [];
this.each(function(value, index) {
results.push(iterator.call(context, value, index));
});
return results;
}
function detect(iterator, context) {
var result;
this.each(function(value, index) {
if (iterator.call(context, value, index)) {
result = value;
throw $break;
}
});
return result;
}
function findAll(iterator, context) {
var results = [];
this.each(function(value, index) {
if (iterator.call(context, value, index))
results.push(value);
});
return results;
}
function grep(filter, iterator, context) {
iterator = iterator || Prototype.K;
var results = [];
if (Object.isString(filter))
filter = new RegExp(RegExp.escape(filter));
this.each(function(value, index) {
if (filter.match(value))
results.push(iterator.call(context, value, index));
});
return results;
}
function include(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;
}
function inGroupsOf(number, fillWith) {
fillWith = Object.isUndefined(fillWith) ? null : fillWith;
return this.eachSlice(number, function(slice) {
while(slice.length < number) slice.push(fillWith);
return slice;
});
}
function inject(memo, iterator, context) {
this.each(function(value, index) {
memo = iterator.call(context, memo, value, index);
});
return memo;
}
function invoke(method) {
var args = $A(arguments).slice(1);
return this.map(function(value) {
return value[method].apply(value, args);
});
}
function max(iterator, context) {
iterator = iterator || Prototype.K;
var result;
this.each(function(value, index) {
value = iterator.call(context, value, index);
if (result == null || value >= result)
result = value;
});
return result;
}
function min(iterator, context) {
iterator = iterator || Prototype.K;
var result;
this.each(function(value, index) {
value = iterator.call(context, value, index);
if (result == null || value < result)
result = value;
});
return result;
}
function partition(iterator, context) {
iterator = iterator || Prototype.K;
var trues = [], falses = [];
this.each(function(value, index) {
(iterator.call(context, value, index) ?
trues : falses).push(value);
});
return [trues, falses];
}
function pluck(property) {
var results = [];
this.each(function(value) {
results.push(value[property]);
});
return results;
}
function reject(iterator, context) {
var results = [];
this.each(function(value, index) {
if (!iterator.call(context, value, index))
results.push(value);
});
return results;
}
function sortBy(iterator, context) {
return this.map(function(value, index) {
return {
value: value,
criteria: iterator.call(context, value, index)
};
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
return a < b ? -1 : a > b ? 1 : 0;
}).pluck('value');
}
function toArray() {
return this.map();
}
function zip() {
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));
});
}
function size() {
return this.toArray().length;
}
function inspect() {
return '#<Enumerable:' + this.toArray().inspect() + '>';
}
return {
each: each,
eachSlice: eachSlice,
all: all,
every: all,
any: any,
some: any,
collect: collect,
map: collect,
detect: detect,
findAll: findAll,
select: findAll,
filter: findAll,
grep: grep,
include: include,
member: include,
inGroupsOf: inGroupsOf,
inject: inject,
invoke: invoke,
max: max,
min: min,
partition: partition,
pluck: pluck,
reject: reject,
sortBy: sortBy,
toArray: toArray,
entries: toArray,
zip: zip,
size: size,
inspect: inspect,
find: detect
};
})();
function $A(iterable) {
if (!iterable) return [];
if ('toArray' in Object(iterable)) return iterable.toArray();
var length = iterable.length || 0, results = new Array(length);
while (length--) results[length] = iterable[length];
return results;
}
function $w(string) {
if (!Object.isString(string)) return [];
string = string.strip();
return string ? string.split(/\s+/) : [];
}
Array.from = $A;
(function() {
var arrayProto = Array.prototype,
slice = arrayProto.slice,
_each = arrayProto.forEach; // use native browser JS 1.6 implementation if available
function each(iterator, context) {
for (var i = 0, length = this.length >>> 0; i < length; i++) {
if (i in this) iterator.call(context, this[i], i, this);
}
}
if (!_each) _each = each;
function clear() {
this.length = 0;
return this;
}
function first() {
return this[0];
}
function last() {
return this[this.length - 1];
}
function compact() {
return this.select(function(value) {
return value != null;
});
}
function flatten() {
return this.inject([], function(array, value) {
if (Object.isArray(value))
return array.concat(value.flatten());
array.push(value);
return array;
});
}
function without() {
var values = slice.call(arguments, 0);
return this.select(function(value) {
return !values.include(value);
});
}
function reverse(inline) {
return (inline === false ? this.toArray() : this)._reverse();
}
function uniq(sorted) {
return this.inject([], function(array, value, index) {
if (0 == index || (sorted ? array.last() != value : !array.include(value)))
array.push(value);
return array;
});
}
function intersect(array) {
return this.uniq().findAll(function(item) {
return array.detect(function(value) { return item === value });
});
}
function clone() {
return slice.call(this, 0);
}
function size() {
return this.length;
}
function inspect() {
return '[' + this.map(Object.inspect).join(', ') + ']';
}
function indexOf(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;
}
function lastIndexOf(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;
}
function concat() {
var array = slice.call(this, 0), item;
for (var i = 0, length = arguments.length; i < length; i++) {
item = arguments[i];
if (Object.isArray(item) && !('callee' in item)) {
for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
array.push(item[j]);
} else {
array.push(item);
}
}
return array;
}
Object.extend(arrayProto, Enumerable);
if (!arrayProto._reverse)
arrayProto._reverse = arrayProto.reverse;
Object.extend(arrayProto, {
_each: _each,
clear: clear,
first: first,
last: last,
compact: compact,
flatten: flatten,
without: without,
reverse: reverse,
uniq: uniq,
intersect: intersect,
clone: clone,
toArray: clone,
size: size,
inspect: inspect
});
var CONCAT_ARGUMENTS_BUGGY = (function() {
return [].concat(arguments)[0][0] !== 1;
})(1,2)
if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;
if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
})();
function $H(object) {
return new Hash(object);
};
var Hash = Class.create(Enumerable, (function() {
function initialize(object) {
this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
}
function _each(iterator) {
for (var key in this._object) {
var value = this._object[key], pair = [key, value];
pair.key = key;
pair.value = value;
iterator(pair);
}
}
function set(key, value) {
return this._object[key] = value;
}
function get(key) {
if (this._object[key] !== Object.prototype[key])
return this._object[key];
}
function unset(key) {
var value = this._object[key];
delete this._object[key];
return value;
}
function toObject() {
return Object.clone(this._object);
}
function keys() {
return this.pluck('key');
}
function values() {
return this.pluck('value');
}
function index(value) {
var match = this.detect(function(pair) {
return pair.value === value;
});
return match && match.key;
}
function merge(object) {
return this.clone().update(object);
}
function update(object) {
return new Hash(object).inject(this, function(result, pair) {
result.set(pair.key, pair.value);
return result;
});
}
function toQueryPair(key, value) {
if (Object.isUndefined(value)) return key;
return key + '=' + encodeURIComponent(String.interpret(value));
}
function toQueryString() {
return this.inject([], function(results, pair) {
var key = encodeURIComponent(pair.key), values = pair.value;
if (values && typeof values == 'object') {
if (Object.isArray(values)) {
var queryValues = [];
for (var i = 0, len = values.length, value; i < len; i++) {
value = values[i];
queryValues.push(toQueryPair(key, value));
}
return results.concat(queryValues);
}
} else results.push(toQueryPair(key, values));
return results;
}).join('&');
}
function inspect() {
return '#<Hash:{' + this.map(function(pair) {
return pair.map(Object.inspect).join(': ');
}).join(', ') + '}>';
}
function clone() {
return new Hash(this);
}
return {
initialize: initialize,
_each: _each,
set: set,
get: get,
unset: unset,
toObject: toObject,
toTemplateReplacements: toObject,
keys: keys,
values: values,
index: index,
merge: merge,
update: update,
toQueryString: toQueryString,
inspect: inspect,
toJSON: toObject,
clone: clone
};
})());
Hash.from = $H;
Object.extend(Number.prototype, (function() {
function toColorPart() {
return this.toPaddedString(2, 16);
}
function succ() {
return this + 1;
}
function times(iterator, context) {
$R(0, this, true).each(iterator, context);
return this;
}
function toPaddedString(length, radix) {
var string = this.toString(radix || 10);
return '0'.times(length - string.length) + string;
}
function abs() {
return Math.abs(this);
}
function round() {
return Math.round(this);
}
function ceil() {
return Math.ceil(this);
}
function floor() {
return Math.floor(this);
}
return {
toColorPart: toColorPart,
succ: succ,
times: times,
toPaddedString: toPaddedString,
abs: abs,
round: round,
ceil: ceil,
floor: floor
};
})());
function $R(start, end, exclusive) {
return new ObjectRange(start, end, exclusive);
}
var ObjectRange = Class.create(Enumerable, (function() {
function initialize(start, end, exclusive) {
this.start = start;
this.end = end;
this.exclusive = exclusive;
}
function _each(iterator) {
var value = this.start;
while (this.include(value)) {
iterator(value);
value = value.succ();
}
}
function include(value) {
if (value < this.start)
return false;
if (this.exclusive)
return value < this.end;
return value <= this.end;
}
return {
initialize: initialize,
_each: _each,
include: include
};
})());
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.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.isString(this.options.parameters) ?
this.options.parameters :
Object.toQueryString(this.options.parameters);
if (!['get', 'post'].include(this.method)) {
params += (params ? '&' : '') + "_method=" + this.method;
this.method = 'post';
}
if (params && this.method === 'get') {
this.url += (this.url.include('?') ? '&' : '?') + params;
}
this.parameters = params.toQueryParams();
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';
}
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
$H(extras).each(function(pair) { headers[pair.key] = pair.value });
}
for (var name in headers)
this.transport.setRequestHeader(name, headers[name]);
},
success: function() {
var status = this.getStatus();
return !status || (status >= 200 && status < 300) || status == 304;
},
getStatus: function() {
try {
if (this.transport.status === 1223) return 204;
return this.transport.status || 0;
} catch (e) { return 0 }
},
respondToReadyState: function(readyState) {
var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
if (state == 'Complete') {
try {
this._complete = true;
(this.options['on' + response.status]
|| this.options['on' + (this.success() ? 'Success' : 'Failure')]
|| Prototype.emptyFunction)(response, response.headerJSON);
} catch (e) {
this.dispatchException(e);
}
var contentType = response.getHeader('Content-type');
if (this.options.evalJS == 'force'
|| (this.options.evalJS && this.isSameOrigin() && contentType
&& contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/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') {
this.transport.onreadystatechange = Prototype.emptyFunction;
}
},
isSameOrigin: function() {
var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
protocol: location.protocol,
domain: document.domain,
port: location.port ? ':' + location.port : ''
}));
},
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 ||
!this.request.isSameOrigin());
} 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 ||
!this.request.isSameOrigin());
} 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 (!Node) var Node = { };
if (!Node.ELEMENT_NODE) {
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(global) {
function shouldUseCache(tagName, attributes) {
if (tagName === 'select') return false;
if ('type' in attributes) return false;
return true;
}
var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){
try {
var el = document.createElement('<input name="x">');
return el.tagName.toLowerCase() === 'input' && el.name === 'x';
}
catch(err) {
return false;
}
})();
var element = global.Element;
global.Element = function(tagName, attributes) {
attributes = attributes || { };
tagName = tagName.toLowerCase();
var cache = Element.cache;
if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && 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));
var node = shouldUseCache(tagName, attributes) ?
cache[tagName].cloneNode(false) : document.createElement(tagName);
return Element.writeAttribute(node, attributes);
};
Object.extend(global.Element, element || { });
if (element) global.Element.prototype = element.prototype;
})(this);
Element.idCounter = 1;
Element.cache = { };
Element._purgeElement = function(element) {
var uid = element._prototypeUID;
if (uid) {
Element.stopObserving(element);
element._prototypeUID = void 0;
delete Element.Storage[uid];
}
}
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 = $(element);
element.style.display = 'none';
return element;
},
show: function(element) {
element = $(element);
element.style.display = '';
return element;
},
remove: function(element) {
element = $(element);
element.parentNode.removeChild(element);
return element;
},
update: (function(){
var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
var el = document.createElement("select"),
isBuggy = true;
el.innerHTML = "<option value=\"test\">test</option>";
if (el.options && el.options[0]) {
isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
}
el = null;
return isBuggy;
})();
var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
try {
var el = document.createElement("table");
if (el && el.tBodies) {
el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
var isBuggy = typeof el.tBodies[0] == "undefined";
el = null;
return isBuggy;
}
} catch (e) {
return true;
}
})();
var LINK_ELEMENT_INNERHTML_BUGGY = (function() {
try {
var el = document.createElement('div');
el.innerHTML = "<link>";
var isBuggy = (el.childNodes.length === 0);
el = null;
return isBuggy;
} catch(e) {
return true;
}
})();
var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY ||
TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY;
var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
var s = document.createElement("script"),
isBuggy = false;
try {
s.appendChild(document.createTextNode(""));
isBuggy = !s.firstChild ||
s.firstChild && s.firstChild.nodeType !== 3;
} catch (e) {
isBuggy = true;
}
s = null;
return isBuggy;
})();
function update(element, content) {
element = $(element);
var purgeElement = Element._purgeElement;
var descendants = element.getElementsByTagName('*'),
i = descendants.length;
while (i--) purgeElement(descendants[i]);
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 === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
element.text = content;
return element;
}
if (ANY_INNERHTML_BUGGY) {
if (tagName in Element._insertionTranslations.tags) {
while (element.firstChild) {
element.removeChild(element.firstChild);
}
Element._getContentFromAnonymousElement(tagName, content.stripScripts())
.each(function(node) {
element.appendChild(node)
});
} else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf('<link') > -1) {
while (element.firstChild) {
element.removeChild(element.firstChild);
}
var nodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts(), true);
nodes.each(function(node) { element.appendChild(node) });
}
else {
element.innerHTML = content.stripScripts();
}
}
else {
element.innerHTML = content.stripScripts();
}
content.evalScripts.bind(content).defer();
return element;
}
return update;
})(),
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 (var 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(),
value = (element[property] || '').toString();
if (value) result += ' ' + attribute + '=' + value.inspect(true);
});
return result + '>';
},
recursivelyCollect: function(element, property, maximumLength) {
element = $(element);
maximumLength = maximumLength || -1;
var elements = [];
while (element = element[property]) {
if (element.nodeType == 1)
elements.push(Element.extend(element));
if (elements.length == maximumLength)
break;
}
return elements;
},
ancestors: function(element) {
return Element.recursivelyCollect(element, 'parentNode');
},
descendants: function(element) {
return Element.select(element, "*");
},
firstDescendant: function(element) {
element = $(element).firstChild;
while (element && element.nodeType != 1) element = element.nextSibling;
return $(element);
},
immediateDescendants: function(element) {
var results = [], child = $(element).firstChild;
while (child) {
if (child.nodeType === 1) {
results.push(Element.extend(child));
}
child = child.nextSibling;
}
return results;
},
previousSiblings: function(element, maximumLength) {
return Element.recursivelyCollect(element, 'previousSibling');
},
nextSiblings: function(element) {
return Element.recursivelyCollect(element, 'nextSibling');
},
siblings: function(element) {
element = $(element);
return Element.previousSiblings(element).reverse()
.concat(Element.nextSiblings(element));
},
match: function(element, selector) {
element = $(element);
if (Object.isString(selector))
return Prototype.Selector.match(element, selector);
return selector.match(element);
},
up: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(element.parentNode);
var ancestors = Element.ancestors(element);
return Object.isNumber(expression) ? ancestors[expression] :
Prototype.Selector.find(ancestors, expression, index);
},
down: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return Element.firstDescendant(element);
return Object.isNumber(expression) ? Element.descendants(element)[expression] :
Element.select(element, expression)[index || 0];
},
previous: function(element, expression, index) {
element = $(element);
if (Object.isNumber(expression)) index = expression, expression = false;
if (!Object.isNumber(index)) index = 0;
if (expression) {
return Prototype.Selector.find(element.previousSiblings(), expression, index);
} else {
return element.recursivelyCollect("previousSibling", index + 1)[index];
}
},
next: function(element, expression, index) {
element = $(element);
if (Object.isNumber(expression)) index = expression, expression = false;
if (!Object.isNumber(index)) index = 0;
if (expression) {
return Prototype.Selector.find(element.nextSiblings(), expression, index);
} else {
var maximumLength = Object.isNumber(index) ? index + 1 : 1;
return element.recursivelyCollect("nextSibling", index + 1)[index];
}
},
select: function(element) {
element = $(element);
var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
return Prototype.Selector.select(expressions, element);
},
adjacent: function(element) {
element = $(element);
var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
return Prototype.Selector.select(expressions, element.parentNode).without(element);
},
identify: function(element) {
element = $(element);
var id = Element.readAttribute(element, 'id');
if (id) return id;
do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
Element.writeAttribute(element, '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(element).height;
},
getWidth: function(element) {
return Element.getDimensions(element).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(element, 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(element, className) ?
'removeClassName' : 'addClassName'](element, className);
},
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);
if (element.compareDocumentPosition)
return (element.compareDocumentPosition(ancestor) & 8) === 8;
if (ancestor.contains)
return ancestor.contains(element) && ancestor !== element;
while (element = element.parentNode)
if (element == ancestor) return true;
return false;
},
scrollTo: function(element) {
element = $(element);
var pos = Element.cumulativeOffset(element);
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 || value == 'auto') {
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;
},
makePositioned: function(element) {
element = $(element);
var pos = Element.getStyle(element, 'position');
if (pos == 'static' || !pos) {
element._madePositioned = true;
element.style.position = 'relative';
if (Prototype.Browser.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;
},
clonePosition: function(element, source) {
var options = Object.extend({
setLeft: true,
setTop: true,
setWidth: true,
setHeight: true,
offsetTop: 0,
offsetLeft: 0
}, arguments[2] || { });
source = $(source);
var p = Element.viewportOffset(source), delta = [0, 0], parent = null;
element = $(element);
if (Element.getStyle(element, 'position') == 'absolute') {
parent = Element.getOffsetParent(element);
delta = Element.viewportOffset(parent);
}
if (parent == document.body) {
delta[0] -= document.body.offsetLeft;
delta[1] -= document.body.offsetTop;
}
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;
}
};
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 'height': case 'width':
if (!Element.visible(element)) return null;
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) {
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 = (function(){
var classProp = 'className',
forProp = 'for',
el = document.createElement('div');
el.setAttribute(classProp, 'x');
if (el.className !== 'x') {
el.setAttribute('class', 'x');
if (el.className === 'x') {
classProp = 'class';
}
}
el = null;
el = document.createElement('label');
el.setAttribute(forProp, 'x');
if (el.htmlFor !== 'x') {
el.setAttribute('htmlFor', 'x');
if (el.htmlFor === 'x') {
forProp = 'htmlFor';
}
}
el = null;
return {
read: {
names: {
'class': classProp,
'className': classProp,
'for': forProp,
'htmlFor': forProp
},
values: {
_getAttr: function(element, attribute) {
return element.getAttribute(attribute);
},
_getAttr2: function(element, attribute) {
return element.getAttribute(attribute, 2);
},
_getAttrNode: function(element, attribute) {
var node = element.getAttributeNode(attribute);
return node ? node.value : "";
},
_getEv: (function(){
var el = document.createElement('div'), f;
el.onclick = Prototype.emptyFunction;
var value = el.getAttribute('onclick');
if (String(value).indexOf('{') > -1) {
f = function(element, attribute) {
attribute = element.getAttribute(attribute);
if (!attribute) return null;
attribute = attribute.toString();
attribute = attribute.split('{')[1];
attribute = attribute.split('}')[0];
return attribute.strip();
};
}
else if (value === '') {
f = function(element, attribute) {
attribute = element.getAttribute(attribute);
if (!attribute) return null;
return attribute.strip();
};
}
el = null;
return f;
})(),
_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.extend({
cellpadding: 'cellPadding',
cellspacing: 'cellSpacing'
}, 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 frameBorder').each(function(attr) {
Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
Element._attributeTranslations.has[attr.toLowerCase()] = attr;
});
(function(v) {
Object.extend(v, {
href: v._getAttr2,
src: v._getAttr2,
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);
if (Prototype.BrowserFeatures.ElementExtensions) {
(function() {
function _descendants(element) {
var nodes = element.getElementsByTagName('*'), results = [];
for (var i = 0, node; node = nodes[i]; i++)
if (node.tagName !== "!") // Filter out comment nodes.
results.push(node);
return results;
}
Element.Methods.down = function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return element.firstDescendant();
return Object.isNumber(expression) ? _descendants(element)[expression] :
Element.select(element, expression)[index || 0];
}
})();
}
}
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.toUpperCase() == 'IMG' && element.width) {
element.width++; element.width--;
} else try {
var n = document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);
} catch (e) { }
return element;
};
}
if ('outerHTML' in document.documentElement) {
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(),
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, force) {
var div = new Element('div'),
t = Element._insertionTranslations.tags[tagName];
var workaround = false;
if (t) workaround = true;
else if (force) {
workaround = true;
t = ['', '', 0];
}
if (workaround) {
div.innerHTML = ' ' + t[0] + html + t[1];
div.removeChild(div.firstChild);
for (var i = t[2]; i--; ) {
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() {
var tags = Element._insertionTranslations.tags;
Object.extend(tags, {
THEAD: tags.TBODY,
TFOOT: tags.TBODY,
TH: tags.TD
});
})();
Element.Methods.Simulated = {
hasAttribute: function(element, attribute) {
attribute = Element._attributeTranslations.has[attribute] || attribute;
var node = $(element).getAttributeNode(attribute);
return !!(node && node.specified);
}
};
Element.Methods.ByTag = { };
Object.extend(Element, Element.Methods);
(function(div) {
if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
window.HTMLElement = { };
window.HTMLElement.prototype = div['__proto__'];
Prototype.BrowserFeatures.ElementExtensions = true;
}
div = null;
})(document.createElement('div'));
Element.extend = (function() {
function checkDeficiency(tagName) {
if (typeof window.Element != 'undefined') {
var proto = window.Element.prototype;
if (proto) {
var id = '_' + (Math.random()+'').slice(2),
el = document.createElement(tagName);
proto[id] = 'x';
var isBuggy = (el[id] !== 'x');
delete proto[id];
el = null;
return isBuggy;
}
}
return false;
}
function extendElementWith(element, methods) {
for (var property in methods) {
var value = methods[property];
if (Object.isFunction(value) && !(property in element))
element[property] = value.methodize();
}
}
var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');
if (Prototype.BrowserFeatures.SpecificElementExtensions) {
if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
return function(element) {
if (element && typeof element._extendedByPrototype == 'undefined') {
var t = element.tagName;
if (t && (/^(?:object|applet|embed)$/i.test(t))) {
extendElementWith(element, Element.Methods);
extendElementWith(element, Element.Methods.Simulated);
extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
}
}
return element;
}
}
return Prototype.K;
}
var Methods = { }, ByTag = Element.Methods.ByTag;
var extend = Object.extend(function(element) {
if (!element || typeof element._extendedByPrototype != 'undefined' ||
element.nodeType != 1 || element == window) return element;
var methods = Object.clone(Methods),
tagName = element.tagName.toUpperCase();
if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
extendElementWith(element, methods);
element._extendedByPrototype = Prototype.emptyFunction;
return element;
}, {
refresh: function() {
if (!Prototype.BrowserFeatures.ElementExtensions) {
Object.extend(Methods, Element.Methods);
Object.extend(Methods, Element.Methods.Simulated);
}
}
});
extend.refresh();
return extend;
})();
if (document.documentElement.hasAttribute) {
Element.hasAttribute = function(element, attribute) {
return element.hasAttribute(attribute);
};
}
else {
Element.hasAttribute = Element.Methods.Simulated.hasAttribute;
}
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),
"BUTTON": 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];
var element = document.createElement(tagName),
proto = element['__proto__'] || element.constructor.prototype;
element = null;
return proto;
}
var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
Element.prototype;
if (F.ElementExtensions) {
copy(Element.Methods, elementPrototype);
copy(Element.Methods.Simulated, elementPrototype, 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() {
return { width: this.getWidth(), height: this.getHeight() };
},
getScrollOffsets: function() {
return Element._returnOffset(
window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
}
};
(function(viewport) {
var B = Prototype.Browser, doc = document, element, property = {};
function getRootElement() {
if (B.WebKit && !doc.evaluate)
return document;
if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
return document.body;
return document.documentElement;
}
function define(D) {
if (!element) element = getRootElement();
property[D] = 'client' + D;
viewport['get' + D] = function() { return element[property[D]] };
return viewport['get' + D]();
}
viewport.getWidth = define.curry('Width');
viewport.getHeight = define.curry('Height');
})(document.viewport);
Element.Storage = {
UID: 1
};
Element.addMethods({
getStorage: function(element) {
if (!(element = $(element))) return;
var uid;
if (element === window) {
uid = 0;
} else {
if (typeof element._prototypeUID === "undefined")
element._prototypeUID = Element.Storage.UID++;
uid = element._prototypeUID;
}
if (!Element.Storage[uid])
Element.Storage[uid] = $H();
return Element.Storage[uid];
},
store: function(element, key, value) {
if (!(element = $(element))) return;
if (arguments.length === 2) {
Element.getStorage(element).update(key);
} else {
Element.getStorage(element).set(key, value);
}
return element;
},
retrieve: function(element, key, defaultValue) {
if (!(element = $(element))) return;
var hash = Element.getStorage(element), value = hash.get(key);
if (Object.isUndefined(value)) {
hash.set(key, defaultValue);
value = defaultValue;
}
return value;
},
clone: function(element, deep) {
if (!(element = $(element))) return;
var clone = element.cloneNode(deep);
clone._prototypeUID = void 0;
if (deep) {
var descendants = Element.select(clone, '*'),
i = descendants.length;
while (i--) {
descendants[i]._prototypeUID = void 0;
}
}
return Element.extend(clone);
},
purge: function(element) {
if (!(element = $(element))) return;
var purgeElement = Element._purgeElement;
purgeElement(element);
var descendants = element.getElementsByTagName('*'),
i = descendants.length;
while (i--) purgeElement(descendants[i]);
return null;
}
});
(function() {
function toDecimal(pctString) {
var match = pctString.match(/^(\d+)%?$/i);
if (!match) return null;
return (Number(match[1]) / 100);
}
function getPixelValue(value, property, context) {
var element = null;
if (Object.isElement(value)) {
element = value;
value = element.getStyle(property);
}
if (value === null) {
return null;
}
if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) {
return window.parseFloat(value);
}
var isPercentage = value.include('%'), isViewport = (context === document.viewport);
if (/\d/.test(value) && element && element.runtimeStyle && !(isPercentage && isViewport)) {
var style = element.style.left, rStyle = element.runtimeStyle.left;
element.runtimeStyle.left = element.currentStyle.left;
element.style.left = value || 0;
value = element.style.pixelLeft;
element.style.left = style;
element.runtimeStyle.left = rStyle;
return value;
}
if (element && isPercentage) {
context = context || element.parentNode;
var decimal = toDecimal(value);
var whole = null;
var position = element.getStyle('position');
var isHorizontal = property.include('left') || property.include('right') ||
property.include('width');
var isVertical = property.include('top') || property.include('bottom') ||
property.include('height');
if (context === document.viewport) {
if (isHorizontal) {
whole = document.viewport.getWidth();
} else if (isVertical) {
whole = document.viewport.getHeight();
}
} else {
if (isHorizontal) {
whole = $(context).measure('width');
} else if (isVertical) {
whole = $(context).measure('height');
}
}
return (whole === null) ? 0 : whole * decimal;
}
return 0;
}
function toCSSPixels(number) {
if (Object.isString(number) && number.endsWith('px')) {
return number;
}
return number + 'px';
}
function isDisplayed(element) {
var originalElement = element;
while (element && element.parentNode) {
var display = element.getStyle('display');
if (display === 'none') {
return false;
}
element = $(element.parentNode);
}
return true;
}
var hasLayout = Prototype.K;
if ('currentStyle' in document.documentElement) {
hasLayout = function(element) {
if (!element.currentStyle.hasLayout) {
element.style.zoom = 1;
}
return element;
};
}
function cssNameFor(key) {
if (key.include('border')) key = key + '-width';
return key.camelize();
}
Element.Layout = Class.create(Hash, {
initialize: function($super, element, preCompute) {
$super();
this.element = $(element);
Element.Layout.PROPERTIES.each( function(property) {
this._set(property, null);
}, this);
if (preCompute) {
this._preComputing = true;
this._begin();
Element.Layout.PROPERTIES.each( this._compute, this );
this._end();
this._preComputing = false;
}
},
_set: function(property, value) {
return Hash.prototype.set.call(this, property, value);
},
set: function(property, value) {
throw "Properties of Element.Layout are read-only.";
},
get: function($super, property) {
var value = $super(property);
return value === null ? this._compute(property) : value;
},
_begin: function() {
if (this._prepared) return;
var element = this.element;
if (isDisplayed(element)) {
this._prepared = true;
return;
}
var originalStyles = {
position: element.style.position || '',
width: element.style.width || '',
visibility: element.style.visibility || '',
display: element.style.display || ''
};
element.store('prototype_original_styles', originalStyles);
var position = element.getStyle('position'),
width = element.getStyle('width');
if (width === "0px" || width === null) {
element.style.display = 'block';
width = element.getStyle('width');
}
var context = (position === 'fixed') ? document.viewport :
element.parentNode;
element.setStyle({
position: 'absolute',
visibility: 'hidden',
display: 'block'
});
var positionedWidth = element.getStyle('width');
var newWidth;
if (width && (positionedWidth === width)) {
newWidth = getPixelValue(element, 'width', context);
} else if (position === 'absolute' || position === 'fixed') {
newWidth = getPixelValue(element, 'width', context);
} else {
var parent = element.parentNode, pLayout = $(parent).getLayout();
newWidth = pLayout.get('width') -
this.get('margin-left') -
this.get('border-left') -
this.get('padding-left') -
this.get('padding-right') -
this.get('border-right') -
this.get('margin-right');
}
element.setStyle({ width: newWidth + 'px' });
this._prepared = true;
},
_end: function() {
var element = this.element;
var originalStyles = element.retrieve('prototype_original_styles');
element.store('prototype_original_styles', null);
element.setStyle(originalStyles);
this._prepared = false;
},
_compute: function(property) {
var COMPUTATIONS = Element.Layout.COMPUTATIONS;
if (!(property in COMPUTATIONS)) {
throw "Property not found.";
}
return this._set(property, COMPUTATIONS[property].call(this, this.element));
},
toObject: function() {
var args = $A(arguments);
var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
args.join(' ').split(' ');
var obj = {};
keys.each( function(key) {
if (!Element.Layout.PROPERTIES.include(key)) return;
var value = this.get(key);
if (value != null) obj[key] = value;
}, this);
return obj;
},
toHash: function() {
var obj = this.toObject.apply(this, arguments);
return new Hash(obj);
},
toCSS: function() {
var args = $A(arguments);
var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
args.join(' ').split(' ');
var css = {};
keys.each( function(key) {
if (!Element.Layout.PROPERTIES.include(key)) return;
if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return;
var value = this.get(key);
if (value != null) css[cssNameFor(key)] = value + 'px';
}, this);
return css;
},
inspect: function() {
return "#<Element.Layout>";
}
});
Object.extend(Element.Layout, {
PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),
COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),
COMPUTATIONS: {
'height': function(element) {
if (!this._preComputing) this._begin();
var bHeight = this.get('border-box-height');
if (bHeight <= 0) {
if (!this._preComputing) this._end();
return 0;
}
var bTop = this.get('border-top'),
bBottom = this.get('border-bottom');
var pTop = this.get('padding-top'),
pBottom = this.get('padding-bottom');
if (!this._preComputing) this._end();
return bHeight - bTop - bBottom - pTop - pBottom;
},
'width': function(element) {
if (!this._preComputing) this._begin();
var bWidth = this.get('border-box-width');
if (bWidth <= 0) {
if (!this._preComputing) this._end();
return 0;
}
var bLeft = this.get('border-left'),
bRight = this.get('border-right');
var pLeft = this.get('padding-left'),
pRight = this.get('padding-right');
if (!this._preComputing) this._end();
return bWidth - bLeft - bRight - pLeft - pRight;
},
'padding-box-height': function(element) {
var height = this.get('height'),
pTop = this.get('padding-top'),
pBottom = this.get('padding-bottom');
return height + pTop + pBottom;
},
'padding-box-width': function(element) {
var width = this.get('width'),
pLeft = this.get('padding-left'),
pRight = this.get('padding-right');
return width + pLeft + pRight;
},
'border-box-height': function(element) {
if (!this._preComputing) this._begin();
var height = element.offsetHeight;
if (!this._preComputing) this._end();
return height;
},
'border-box-width': function(element) {
if (!this._preComputing) this._begin();
var width = element.offsetWidth;
if (!this._preComputing) this._end();
return width;
},
'margin-box-height': function(element) {
var bHeight = this.get('border-box-height'),
mTop = this.get('margin-top'),
mBottom = this.get('margin-bottom');
if (bHeight <= 0) return 0;
return bHeight + mTop + mBottom;
},
'margin-box-width': function(element) {
var bWidth = this.get('border-box-width'),
mLeft = this.get('margin-left'),
mRight = this.get('margin-right');
if (bWidth <= 0) return 0;
return bWidth + mLeft + mRight;
},
'top': function(element) {
var offset = element.positionedOffset();
return offset.top;
},
'bottom': function(element) {
var offset = element.positionedOffset(),
parent = element.getOffsetParent(),
pHeight = parent.measure('height');
var mHeight = this.get('border-box-height');
return pHeight - mHeight - offset.top;
},
'left': function(element) {
var offset = element.positionedOffset();
return offset.left;
},
'right': function(element) {
var offset = element.positionedOffset(),
parent = element.getOffsetParent(),
pWidth = parent.measure('width');
var mWidth = this.get('border-box-width');
return pWidth - mWidth - offset.left;
},
'padding-top': function(element) {
return getPixelValue(element, 'paddingTop');
},
'padding-bottom': function(element) {
return getPixelValue(element, 'paddingBottom');
},
'padding-left': function(element) {
return getPixelValue(element, 'paddingLeft');
},
'padding-right': function(element) {
return getPixelValue(element, 'paddingRight');
},
'border-top': function(element) {
return getPixelValue(element, 'borderTopWidth');
},
'border-bottom': function(element) {
return getPixelValue(element, 'borderBottomWidth');
},
'border-left': function(element) {
return getPixelValue(element, 'borderLeftWidth');
},
'border-right': function(element) {
return getPixelValue(element, 'borderRightWidth');
},
'margin-top': function(element) {
return getPixelValue(element, 'marginTop');
},
'margin-bottom': function(element) {
return getPixelValue(element, 'marginBottom');
},
'margin-left': function(element) {
return getPixelValue(element, 'marginLeft');
},
'margin-right': function(element) {
return getPixelValue(element, 'marginRight');
}
}
});
if ('getBoundingClientRect' in document.documentElement) {
Object.extend(Element.Layout.COMPUTATIONS, {
'right': function(element) {
var parent = hasLayout(element.getOffsetParent());
var rect = element.getBoundingClientRect(),
pRect = parent.getBoundingClientRect();
return (pRect.right - rect.right).round();
},
'bottom': function(element) {
var parent = hasLayout(element.getOffsetParent());
var rect = element.getBoundingClientRect(),
pRect = parent.getBoundingClientRect();
return (pRect.bottom - rect.bottom).round();
}
});
}
Element.Offset = Class.create({
initialize: function(left, top) {
this.left = left.round();
this.top = top.round();
this[0] = this.left;
this[1] = this.top;
},
relativeTo: function(offset) {
return new Element.Offset(
this.left - offset.left,
this.top - offset.top
);
},
inspect: function() {
return "#<Element.Offset left: #{left} top: #{top}>".interpolate(this);
},
toString: function() {
return "[#{left}, #{top}]".interpolate(this);
},
toArray: function() {
return [this.left, this.top];
}
});
function getLayout(element, preCompute) {
return new Element.Layout(element, preCompute);
}
function measure(element, property) {
return $(element).getLayout().get(property);
}
function getDimensions(element) {
element = $(element);
var display = Element.getStyle(element, 'display');
if (display && display !== 'none') {
return { width: element.offsetWidth, height: element.offsetHeight };
}
var style = element.style;
var originalStyles = {
visibility: style.visibility,
position: style.position,
display: style.display
};
var newStyles = {
visibility: 'hidden',
display: 'block'
};
if (originalStyles.position !== 'fixed')
newStyles.position = 'absolute';
Element.setStyle(element, newStyles);
var dimensions = {
width: element.offsetWidth,
height: element.offsetHeight
};
Element.setStyle(element, originalStyles);
return dimensions;
}
function getOffsetParent(element) {
element = $(element);
if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
return $(document.body);
var isInline = (Element.getStyle(element, 'display') === 'inline');
if (!isInline && element.offsetParent) return $(element.offsetParent);
while ((element = element.parentNode) && element !== document.body) {
if (Element.getStyle(element, 'position') !== 'static') {
return isHtml(element) ? $(document.body) : $(element);
}
}
return $(document.body);
}
function cumulativeOffset(element) {
element = $(element);
var valueT = 0, valueL = 0;
if (element.parentNode) {
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
} while (element);
}
return new Element.Offset(valueL, valueT);
}
function positionedOffset(element) {
element = $(element);
var layout = element.getLayout();
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
if (element) {
if (isBody(element)) break;
var p = Element.getStyle(element, 'position');
if (p !== 'static') break;
}
} while (element);
valueL -= layout.get('margin-top');
valueT -= layout.get('margin-left');
return new Element.Offset(valueL, valueT);
}
function cumulativeScrollOffset(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.scrollTop || 0;
valueL += element.scrollLeft || 0;
element = element.parentNode;
} while (element);
return new Element.Offset(valueL, valueT);
}
function viewportOffset(forElement) {
element = $(element);
var valueT = 0, valueL = 0, docBody = document.body;
var element = forElement;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
if (element.offsetParent == docBody &&
Element.getStyle(element, 'position') == 'absolute') break;
} while (element = element.offsetParent);
element = forElement;
do {
if (element != docBody) {
valueT -= element.scrollTop || 0;
valueL -= element.scrollLeft || 0;
}
} while (element = element.parentNode);
return new Element.Offset(valueL, valueT);
}
function absolutize(element) {
element = $(element);
if (Element.getStyle(element, 'position') === 'absolute') {
return element;
}
var offsetParent = getOffsetParent(element);
var eOffset = element.viewportOffset(),
pOffset = offsetParent.viewportOffset();
var offset = eOffset.relativeTo(pOffset);
var layout = element.getLayout();
element.store('prototype_absolutize_original_styles', {
left: element.getStyle('left'),
top: element.getStyle('top'),
width: element.getStyle('width'),
height: element.getStyle('height')
});
element.setStyle({
position: 'absolute',
top: offset.top + 'px',
left: offset.left + 'px',
width: layout.get('width') + 'px',
height: layout.get('height') + 'px'
});
return element;
}
function relativize(element) {
element = $(element);
if (Element.getStyle(element, 'position') === 'relative') {
return element;
}
var originalStyles =
element.retrieve('prototype_absolutize_original_styles');
if (originalStyles) element.setStyle(originalStyles);
return element;
}
if (Prototype.Browser.IE) {
getOffsetParent = getOffsetParent.wrap(
function(proceed, element) {
element = $(element);
if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element))
return $(document.body);
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;
}
);
positionedOffset = positionedOffset.wrap(function(proceed, element) {
element = $(element);
if (!element.parentNode) return new Element.Offset(0, 0);
var position = element.getStyle('position');
if (position !== 'static') return proceed(element);
var offsetParent = element.getOffsetParent();
if (offsetParent && offsetParent.getStyle('position') === 'fixed')
hasLayout(offsetParent);
element.setStyle({ position: 'relative' });
var value = proceed(element);
element.setStyle({ position: position });
return value;
});
} else if (Prototype.Browser.Webkit) {
cumulativeOffset = function(element) {
element = $(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 new Element.Offset(valueL, valueT);
};
}
Element.addMethods({
getLayout: getLayout,
measure: measure,
getDimensions: getDimensions,
getOffsetParent: getOffsetParent,
cumulativeOffset: cumulativeOffset,
positionedOffset: positionedOffset,
cumulativeScrollOffset: cumulativeScrollOffset,
viewportOffset: viewportOffset,
absolutize: absolutize,
relativize: relativize
});
function isBody(element) {
return element.nodeName.toUpperCase() === 'BODY';
}
function isHtml(element) {
return element.nodeName.toUpperCase() === 'HTML';
}
function isDocument(element) {
return element.nodeType === Node.DOCUMENT_NODE;
}
function isDetached(element) {
return element !== document.body &&
!Element.descendantOf(element, document.body);
}
if ('getBoundingClientRect' in document.documentElement) {
Element.addMethods({
viewportOffset: function(element) {
element = $(element);
if (isDetached(element)) return new Element.Offset(0, 0);
var rect = element.getBoundingClientRect(),
docEl = document.documentElement;
return new Element.Offset(rect.left - docEl.clientLeft,
rect.top - docEl.clientTop);
}
});
}
})();
window.$$ = function() {
var expression = $A(arguments).join(', ');
return Prototype.Selector.select(expression, document);
};
Prototype.Selector = (function() {
function select() {
throw new Error('Method "Prototype.Selector.select" must be defined.');
}
function match() {
throw new Error('Method "Prototype.Selector.match" must be defined.');
}
function find(elements, expression, index) {
index = index || 0;
var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i;
for (i = 0; i < length; i++) {
if (match(elements[i], expression) && index == matchIndex++) {
return Element.extend(elements[i]);
}
}
}
function extendElements(elements) {
for (var i = 0, length = elements.length; i < length; i++) {
Element.extend(elements[i]);
}
return elements;
}
var K = Prototype.K;
return {
select: select,
match: match,
find: find,
extendElements: (Element.extend === K) ? K : extendElements,
extendElement: Element.extend
};
})();
Prototype._original_property = window.Sizzle;
/*!
* Sizzle CSS Selector Engine - v1.0
* Copyright 2009, The Dojo Foundation
* Released under the MIT, BSD, and GPL Licenses.
* More information: http://sizzlejs.com/
*/
(function(){
var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
done = 0,
toString = Object.prototype.toString,
hasDuplicate = false,
baseHasDuplicate = true;
[0, 0].sort(function(){
baseHasDuplicate = false;
return 0;
});
var Sizzle = function(selector, context, results, seed) {
results = results || [];
var origContext = context = context || document;
if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
return [];
}
if ( !selector || typeof selector !== "string" ) {
return results;
}
var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context),
soFar = selector;
while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) {
soFar = m[3];
parts.push( m[1] );
if ( m[2] ) {
extra = m[3];
break;
}
}
if ( parts.length > 1 && origPOS.exec( selector ) ) {
if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
set = posProcess( parts[0] + parts[1], context );
} else {
set = Expr.relative[ parts[0] ] ?
[ context ] :
Sizzle( parts.shift(), context );
while ( parts.length ) {
selector = parts.shift();
if ( Expr.relative[ selector ] )
selector += parts.shift();
set = posProcess( selector, set );
}
}
} else {
if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
var ret = Sizzle.find( parts.shift(), context, contextXML );
context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0];
}
if ( context ) {
var ret = seed ?
{ expr: parts.pop(), set: makeArray(seed) } :
Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;
if ( parts.length > 0 ) {
checkSet = makeArray(set);
} else {
prune = false;
}
while ( parts.length ) {
var cur = parts.pop(), pop = cur;
if ( !Expr.relative[ cur ] ) {
cur = "";
} else {
pop = parts.pop();
}
if ( pop == null ) {
pop = context;
}
Expr.relative[ cur ]( checkSet, pop, contextXML );
}
} else {
checkSet = parts = [];
}
}
if ( !checkSet ) {
checkSet = set;
}
if ( !checkSet ) {
throw "Syntax error, unrecognized expression: " + (cur || selector);
}
if ( toString.call(checkSet) === "[object Array]" ) {
if ( !prune ) {
results.push.apply( results, checkSet );
} else if ( context && context.nodeType === 1 ) {
for ( var i = 0; checkSet[i] != null; i++ ) {
if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) {
results.push( set[i] );
}
}
} else {
for ( var i = 0; checkSet[i] != null; i++ ) {
if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
results.push( set[i] );
}
}
}
} else {
makeArray( checkSet, results );
}
if ( extra ) {
Sizzle( extra, origContext, results, seed );
Sizzle.uniqueSort( results );
}
return results;
};
Sizzle.uniqueSort = function(results){
if ( sortOrder ) {
hasDuplicate = baseHasDuplicate;
results.sort(sortOrder);
if ( hasDuplicate ) {
for ( var i = 1; i < results.length; i++ ) {
if ( results[i] === results[i-1] ) {
results.splice(i--, 1);
}
}
}
}
return results;
};
Sizzle.matches = function(expr, set){
return Sizzle(expr, null, null, set);
};
Sizzle.find = function(expr, context, isXML){
var set, match;
if ( !expr ) {
return [];
}
for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
var type = Expr.order[i], match;
if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
var left = match[1];
match.splice(1,1);
if ( left.substr( left.length - 1 ) !== "\\" ) {
match[1] = (match[1] || "").replace(/\\/g, "");
set = Expr.find[ type ]( match, context, isXML );
if ( set != null ) {
expr = expr.replace( Expr.match[ type ], "" );
break;
}
}
}
}
if ( !set ) {
set = context.getElementsByTagName("*");
}
return {set: set, expr: expr};
};
Sizzle.filter = function(expr, set, inplace, not){
var old = expr, result = [], curLoop = set, match, anyFound,
isXMLFilter = set && set[0] && isXML(set[0]);
while ( expr && set.length ) {
for ( var type in Expr.filter ) {
if ( (match = Expr.match[ type ].exec( expr )) != null ) {
var filter = Expr.filter[ type ], found, item;
anyFound = false;
if ( curLoop == result ) {
result = [];
}
if ( Expr.preFilter[ type ] ) {
match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );
if ( !match ) {
anyFound = found = true;
} else if ( match === true ) {
continue;
}
}
if ( match ) {
for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
if ( item ) {
found = filter( item, match, i, curLoop );
var pass = not ^ !!found;
if ( inplace && found != null ) {
if ( pass ) {
anyFound = true;
} else {
curLoop[i] = false;
}
} else if ( pass ) {
result.push( item );
anyFound = true;
}
}
}
}
if ( found !== undefined ) {
if ( !inplace ) {
curLoop = result;
}
expr = expr.replace( Expr.match[ type ], "" );
if ( !anyFound ) {
return [];
}
break;
}
}
}
if ( expr == old ) {
if ( anyFound == null ) {
throw "Syntax error, unrecognized expression: " + expr;
} else {
break;
}
}
old = expr;
}
return curLoop;
};
var Expr = Sizzle.selectors = {
order: [ "ID", "NAME", "TAG" ],
match: {
ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/,
ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/,
CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/
},
leftMatch: {},
attrMap: {
"class": "className",
"for": "htmlFor"
},
attrHandle: {
href: function(elem){
return elem.getAttribute("href");
}
},
relative: {
"+": function(checkSet, part, isXML){
var isPartStr = typeof part === "string",
isTag = isPartStr && !/\W/.test(part),
isPartStrNotTag = isPartStr && !isTag;
if ( isTag && !isXML ) {
part = part.toUpperCase();
}
for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
if ( (elem = checkSet[i]) ) {
while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}
checkSet[i] = isPartStrNotTag || elem && elem.nodeName === part ?
elem || false :
elem === part;
}
}
if ( isPartStrNotTag ) {
Sizzle.filter( part, checkSet, true );
}
},
">": function(checkSet, part, isXML){
var isPartStr = typeof part === "string";
if ( isPartStr && !/\W/.test(part) ) {
part = isXML ? part : part.toUpperCase();
for ( var i = 0, l = checkSet.length; i < l; i++ ) {
var elem = checkSet[i];
if ( elem ) {
var parent = elem.parentNode;
checkSet[i] = parent.nodeName === part ? parent : false;
}
}
} else {
for ( var i = 0, l = checkSet.length; i < l; i++ ) {
var elem = checkSet[i];
if ( elem ) {
checkSet[i] = isPartStr ?
elem.parentNode :
elem.parentNode === part;
}
}
if ( isPartStr ) {
Sizzle.filter( part, checkSet, true );
}
}
},
"": function(checkSet, part, isXML){
var doneName = done++, checkFn = dirCheck;
if ( !/\W/.test(part) ) {
var nodeCheck = part = isXML ? part : part.toUpperCase();
checkFn = dirNodeCheck;
}
checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML);
},
"~": function(checkSet, part, isXML){
var doneName = done++, checkFn = dirCheck;
if ( typeof part === "string" && !/\W/.test(part) ) {
var nodeCheck = part = isXML ? part : part.toUpperCase();
checkFn = dirNodeCheck;
}
checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML);
}
},
find: {
ID: function(match, context, isXML){
if ( typeof context.getElementById !== "undefined" && !isXML ) {
var m = context.getElementById(match[1]);
return m ? [m] : [];
}
},
NAME: function(match, context, isXML){
if ( typeof context.getElementsByName !== "undefined" ) {
var ret = [], results = context.getElementsByName(match[1]);
for ( var i = 0, l = results.length; i < l; i++ ) {
if ( results[i].getAttribute("name") === match[1] ) {
ret.push( results[i] );
}
}
return ret.length === 0 ? null : ret;
}
},
TAG: function(match, context){
return context.getElementsByTagName(match[1]);
}
},
preFilter: {
CLASS: function(match, curLoop, inplace, result, not, isXML){
match = " " + match[1].replace(/\\/g, "") + " ";
if ( isXML ) {
return match;
}
for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
if ( elem ) {
if ( not ^ (elem.className && (" " + elem.className + " ").indexOf(match) >= 0) ) {
if ( !inplace )
result.push( elem );
} else if ( inplace ) {
curLoop[i] = false;
}
}
}
return false;
},
ID: function(match){
return match[1].replace(/\\/g, "");
},
TAG: function(match, curLoop){
for ( var i = 0; curLoop[i] === false; i++ ){}
return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase();
},
CHILD: function(match){
if ( match[1] == "nth" ) {
var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
match[2] == "even" && "2n" || match[2] == "odd" && "2n+1" ||
!/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);
match[2] = (test[1] + (test[2] || 1)) - 0;
match[3] = test[3] - 0;
}
match[0] = done++;
return match;
},
ATTR: function(match, curLoop, inplace, result, not, isXML){
var name = match[1].replace(/\\/g, "");
if ( !isXML && Expr.attrMap[name] ) {
match[1] = Expr.attrMap[name];
}
if ( match[2] === "~=" ) {
match[4] = " " + match[4] + " ";
}
return match;
},
PSEUDO: function(match, curLoop, inplace, result, not){
if ( match[1] === "not" ) {
if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
match[3] = Sizzle(match[3], null, null, curLoop);
} else {
var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
if ( !inplace ) {
result.push.apply( result, ret );
}
return false;
}
} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
return true;
}
return match;
},
POS: function(match){
match.unshift( true );
return match;
}
},
filters: {
enabled: function(elem){
return elem.disabled === false && elem.type !== "hidden";
},
disabled: function(elem){
return elem.disabled === true;
},
checked: function(elem){
return elem.checked === true;
},
selected: function(elem){
elem.parentNode.selectedIndex;
return elem.selected === true;
},
parent: function(elem){
return !!elem.firstChild;
},
empty: function(elem){
return !elem.firstChild;
},
has: function(elem, i, match){
return !!Sizzle( match[3], elem ).length;
},
header: function(elem){
return /h\d/i.test( elem.nodeName );
},
text: function(elem){
return "text" === elem.type;
},
radio: function(elem){
return "radio" === elem.type;
},
checkbox: function(elem){
return "checkbox" === elem.type;
},
file: function(elem){
return "file" === elem.type;
},
password: function(elem){
return "password" === elem.type;
},
submit: function(elem){
return "submit" === elem.type;
},
image: function(elem){
return "image" === elem.type;
},
reset: function(elem){
return "reset" === elem.type;
},
button: function(elem){
return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON";
},
input: function(elem){
return /input|select|textarea|button/i.test(elem.nodeName);
}
},
setFilters: {
first: function(elem, i){
return i === 0;
},
last: function(elem, i, match, array){
return i === array.length - 1;
},
even: function(elem, i){
return i % 2 === 0;
},
odd: function(elem, i){
return i % 2 === 1;
},
lt: function(elem, i, match){
return i < match[3] - 0;
},
gt: function(elem, i, match){
return i > match[3] - 0;
},
nth: function(elem, i, match){
return match[3] - 0 == i;
},
eq: function(elem, i, match){
return match[3] - 0 == i;
}
},
filter: {
PSEUDO: function(elem, match, i, array){
var name = match[1], filter = Expr.filters[ name ];
if ( filter ) {
return filter( elem, i, match, array );
} else if ( name === "contains" ) {
return (elem.textContent || elem.innerText || "").indexOf(match[3]) >= 0;
} else if ( name === "not" ) {
var not = match[3];
for ( var i = 0, l = not.length; i < l; i++ ) {
if ( not[i] === elem ) {
return false;
}
}
return true;
}
},
CHILD: function(elem, match){
var type = match[1], node = elem;
switch (type) {
case 'only':
case 'first':
while ( (node = node.previousSibling) ) {
if ( node.nodeType === 1 ) return false;
}
if ( type == 'first') return true;
node = elem;
case 'last':
while ( (node = node.nextSibling) ) {
if ( node.nodeType === 1 ) return false;
}
return true;
case 'nth':
var first = match[2], last = match[3];
if ( first == 1 && last == 0 ) {
return true;
}
var doneName = match[0],
parent = elem.parentNode;
if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
var count = 0;
for ( node = parent.firstChild; node; node = node.nextSibling ) {
if ( node.nodeType === 1 ) {
node.nodeIndex = ++count;
}
}
parent.sizcache = doneName;
}
var diff = elem.nodeIndex - last;
if ( first == 0 ) {
return diff == 0;
} else {
return ( diff % first == 0 && diff / first >= 0 );
}
}
},
ID: function(elem, match){
return elem.nodeType === 1 && elem.getAttribute("id") === match;
},
TAG: function(elem, match){
return (match === "*" && elem.nodeType === 1) || elem.nodeName === match;
},
CLASS: function(elem, match){
return (" " + (elem.className || elem.getAttribute("class")) + " ")
.indexOf( match ) > -1;
},
ATTR: function(elem, match){
var name = match[1],
result = Expr.attrHandle[ name ] ?
Expr.attrHandle[ name ]( elem ) :
elem[ name ] != null ?
elem[ name ] :
elem.getAttribute( name ),
value = result + "",
type = match[2],
check = match[4];
return result == null ?
type === "!=" :
type === "=" ?
value === check :
type === "*=" ?
value.indexOf(check) >= 0 :
type === "~=" ?
(" " + value + " ").indexOf(check) >= 0 :
!check ?
value && result !== false :
type === "!=" ?
value != check :
type === "^=" ?
value.indexOf(check) === 0 :
type === "$=" ?
value.substr(value.length - check.length) === check :
type === "|=" ?
value === check || value.substr(0, check.length + 1) === check + "-" :
false;
},
POS: function(elem, match, i, array){
var name = match[2], filter = Expr.setFilters[ name ];
if ( filter ) {
return filter( elem, i, match, array );
}
}
}
};
var origPOS = Expr.match.POS;
for ( var type in Expr.match ) {
Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source );
}
var makeArray = function(array, results) {
array = Array.prototype.slice.call( array, 0 );
if ( results ) {
results.push.apply( results, array );
return results;
}
return array;
};
try {
Array.prototype.slice.call( document.documentElement.childNodes, 0 );
} catch(e){
makeArray = function(array, results) {
var ret = results || [];
if ( toString.call(array) === "[object Array]" ) {
Array.prototype.push.apply( ret, array );
} else {
if ( typeof array.length === "number" ) {
for ( var i = 0, l = array.length; i < l; i++ ) {
ret.push( array[i] );
}
} else {
for ( var i = 0; array[i]; i++ ) {
ret.push( array[i] );
}
}
}
return ret;
};
}
var sortOrder;
if ( document.documentElement.compareDocumentPosition ) {
sortOrder = function( a, b ) {
if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
if ( a == b ) {
hasDuplicate = true;
}
return 0;
}
var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
if ( ret === 0 ) {
hasDuplicate = true;
}
return ret;
};
} else if ( "sourceIndex" in document.documentElement ) {
sortOrder = function( a, b ) {
if ( !a.sourceIndex || !b.sourceIndex ) {
if ( a == b ) {
hasDuplicate = true;
}
return 0;
}
var ret = a.sourceIndex - b.sourceIndex;
if ( ret === 0 ) {
hasDuplicate = true;
}
return ret;
};
} else if ( document.createRange ) {
sortOrder = function( a, b ) {
if ( !a.ownerDocument || !b.ownerDocument ) {
if ( a == b ) {
hasDuplicate = true;
}
return 0;
}
var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
aRange.setStart(a, 0);
aRange.setEnd(a, 0);
bRange.setStart(b, 0);
bRange.setEnd(b, 0);
var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
if ( ret === 0 ) {
hasDuplicate = true;
}
return ret;
};
}
(function(){
var form = document.createElement("div"),
id = "script" + (new Date).getTime();
form.innerHTML = "<a name='" + id + "'/>";
var root = document.documentElement;
root.insertBefore( form, root.firstChild );
if ( !!document.getElementById( id ) ) {
Expr.find.ID = function(match, context, isXML){
if ( typeof context.getElementById !== "undefined" && !isXML ) {
var m = context.getElementById(match[1]);
return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
}
};
Expr.filter.ID = function(elem, match){
var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
return elem.nodeType === 1 && node && node.nodeValue === match;
};
}
root.removeChild( form );
root = form = null; // release memory in IE
})();
(function(){
var div = document.createElement("div");
div.appendChild( document.createComment("") );
if ( div.getElementsByTagName("*").length > 0 ) {
Expr.find.TAG = function(match, context){
var results = context.getElementsByTagName(match[1]);
if ( match[1] === "*" ) {
var tmp = [];
for ( var i = 0; results[i]; i++ ) {
if ( results[i].nodeType === 1 ) {
tmp.push( results[i] );
}
}
results = tmp;
}
return results;
};
}
div.innerHTML = "<a href='#'></a>";
if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
div.firstChild.getAttribute("href") !== "#" ) {
Expr.attrHandle.href = function(elem){
return elem.getAttribute("href", 2);
};
}
div = null; // release memory in IE
})();
if ( document.querySelectorAll ) (function(){
var oldSizzle = Sizzle, div = document.createElement("div");
div.innerHTML = "<p class='TEST'></p>";
if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
return;
}
Sizzle = function(query, context, extra, seed){
context = context || document;
if ( !seed && context.nodeType === 9 && !isXML(context) ) {
try {
return makeArray( context.querySelectorAll(query), extra );
} catch(e){}
}
return oldSizzle(query, context, extra, seed);
};
for ( var prop in oldSizzle ) {
Sizzle[ prop ] = oldSizzle[ prop ];
}
div = null; // release memory in IE
})();
if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){
var div = document.createElement("div");
div.innerHTML = "<div class='test e'></div><div class='test'></div>";
if ( div.getElementsByClassName("e").length === 0 )
return;
div.lastChild.className = "e";
if ( div.getElementsByClassName("e").length === 1 )
return;
Expr.order.splice(1, 0, "CLASS");
Expr.find.CLASS = function(match, context, isXML) {
if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
return context.getElementsByClassName(match[1]);
}
};
div = null; // release memory in IE
})();
function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
var sibDir = dir == "previousSibling" && !isXML;
for ( var i = 0, l = checkSet.length; i < l; i++ ) {
var elem = checkSet[i];
if ( elem ) {
if ( sibDir && elem.nodeType === 1 ){
elem.sizcache = doneName;
elem.sizset = i;
}
elem = elem[dir];
var match = false;
while ( elem ) {
if ( elem.sizcache === doneName ) {
match = checkSet[elem.sizset];
break;
}
if ( elem.nodeType === 1 && !isXML ){
elem.sizcache = doneName;
elem.sizset = i;
}
if ( elem.nodeName === cur ) {
match = elem;
break;
}
elem = elem[dir];
}
checkSet[i] = match;
}
}
}
function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
var sibDir = dir == "previousSibling" && !isXML;
for ( var i = 0, l = checkSet.length; i < l; i++ ) {
var elem = checkSet[i];
if ( elem ) {
if ( sibDir && elem.nodeType === 1 ) {
elem.sizcache = doneName;
elem.sizset = i;
}
elem = elem[dir];
var match = false;
while ( elem ) {
if ( elem.sizcache === doneName ) {
match = checkSet[elem.sizset];
break;
}
if ( elem.nodeType === 1 ) {
if ( !isXML ) {
elem.sizcache = doneName;
elem.sizset = i;
}
if ( typeof cur !== "string" ) {
if ( elem === cur ) {
match = true;
break;
}
} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
match = elem;
break;
}
}
elem = elem[dir];
}
checkSet[i] = match;
}
}
}
var contains = document.compareDocumentPosition ? function(a, b){
return a.compareDocumentPosition(b) & 16;
} : function(a, b){
return a !== b && (a.contains ? a.contains(b) : true);
};
var isXML = function(elem){
return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
!!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
};
var posProcess = function(selector, context){
var tmpSet = [], later = "", match,
root = context.nodeType ? [context] : context;
while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
later += match[0];
selector = selector.replace( Expr.match.PSEUDO, "" );
}
selector = Expr.relative[selector] ? selector + "*" : selector;
for ( var i = 0, l = root.length; i < l; i++ ) {
Sizzle( selector, root[i], tmpSet );
}
return Sizzle.filter( later, tmpSet );
};
window.Sizzle = Sizzle;
})();
;(function(engine) {
var extendElements = Prototype.Selector.extendElements;
function select(selector, scope) {
return extendElements(engine(selector, scope || document));
}
function match(element, selector) {
return engine.matches(selector, [element]).length == 1;
}
Prototype.Selector.engine = engine;
Prototype.Selector.select = select;
Prototype.Selector.match = match;
})(Sizzle);
window.Sizzle = Prototype._original_property;
delete Prototype._original_property;
var Form = {
reset: function(form) {
form = $(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, accumulator, initial;
if (options.hash) {
initial = {};
accumulator = function(result, key, value) {
if (key in result) {
if (!Object.isArray(result[key])) result[key] = [result[key]];
result[key].push(value);
} else result[key] = value;
return result;
};
} else {
initial = '';
accumulator = function(result, key, value) {
return result + (result ? '&' : '') + encodeURIComponent(key) + '=' + encodeURIComponent(value);
}
}
return elements.inject(initial, function(result, element) {
if (!element.disabled && element.name) {
key = element.name; value = $(element).getValue();
if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
submit !== false && (!submit || key == submit) && (submitted = true)))) {
result = accumulator(result, key, value);
}
}
return result;
});
}
};
Form.Methods = {
serialize: function(form, options) {
return Form.serializeElements(Form.getElements(form), options);
},
getElements: function(form) {
var elements = $(form).getElementsByTagName('*'),
element,
arr = [ ],
serializers = Form.Element.Serializers;
for (var i = 0; element = elements[i]; i++) {
arr.push(element);
}
return arr.inject([], function(elements, child) {
if (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 = $(form).getElements().findAll(function(element) {
return 'hidden' != element.type && !element.disabled;
});
var firstByIndex = elements.findAll(function(element) {
return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
}).sortBy(function(element) { return element.tabIndex }).first();
return firstByIndex ? firstByIndex : elements.find(function(element) {
return /^(?:input|select|textarea)$/i.test(element.tagName);
});
},
focusFirstElement: function(form) {
form = $(form);
var element = form.findFirstElement();
if (element) element.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 = $(element);
try {
element.focus();
if (element.select && (element.tagName.toLowerCase() != 'input' ||
!(/^(?:button|reset|submit)$/i.test(element.type))))
element.select();
} catch (e) { }
return element;
},
disable: function(element) {
element = $(element);
element.disabled = true;
return element;
},
enable: function(element) {
element = $(element);
element.disabled = false;
return element;
}
};
/*--------------------------------------------------------------------------*/
var Field = Form.Element;
var $F = Form.Element.Methods.getValue;
/*--------------------------------------------------------------------------*/
Form.Element.Serializers = (function() {
function input(element, value) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
return inputSelector(element, value);
default:
return valueSelector(element, value);
}
}
function inputSelector(element, value) {
if (Object.isUndefined(value))
return element.checked ? element.value : null;
else element.checked = !!value;
}
function valueSelector(element, value) {
if (Object.isUndefined(value)) return element.value;
else element.value = value;
}
function select(element, value) {
if (Object.isUndefined(value))
return (element.type === 'select-one' ? selectOne : selectMany)(element);
var opt, currentValue, single = !Object.isArray(value);
for (var i = 0, length = element.length; i < length; i++) {
opt = element.options[i];
currentValue = this.optionValue(opt);
if (single) {
if (currentValue == value) {
opt.selected = true;
return;
}
}
else opt.selected = value.include(currentValue);
}
}
function selectOne(element) {
var index = element.selectedIndex;
return index >= 0 ? optionValue(element.options[index]) : null;
}
function selectMany(element) {
var values, length = element.length;
if (!length) return null;
for (var i = 0, values = []; i < length; i++) {
var opt = element.options[i];
if (opt.selected) values.push(optionValue(opt));
}
return values;
}
function optionValue(opt) {
return Element.hasAttribute(opt, 'value') ? opt.value : opt.text;
}
return {
input: input,
inputSelector: inputSelector,
textarea: valueSelector,
select: select,
selectOne: selectOne,
selectMany: selectMany,
optionValue: optionValue,
button: valueSelector
};
})();
/*--------------------------------------------------------------------------*/
Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
initialize: function($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);
}
});
(function() {
var 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: {}
};
var docEl = document.documentElement;
var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
&& 'onmouseleave' in docEl;
var isIELegacyEvent = function(event) { return false; };
if (window.attachEvent) {
if (window.addEventListener) {
isIELegacyEvent = function(event) {
return !(event instanceof window.Event);
};
} else {
isIELegacyEvent = function(event) { return true; };
}
}
var _isButton;
function _isButtonForDOMEvents(event, code) {
return event.which ? (event.which === code + 1) : (event.button === code);
}
var legacyButtonMap = { 0: 1, 1: 4, 2: 2 };
function _isButtonForLegacyEvents(event, code) {
return event.button === legacyButtonMap[code];
}
function _isButtonForWebKit(event, code) {
switch (code) {
case 0: return event.which == 1 && !event.metaKey;
case 1: return event.which == 2 || (event.which == 1 && event.metaKey);
case 2: return event.which == 3;
default: return false;
}
}
if (window.attachEvent) {
if (!window.addEventListener) {
_isButton = _isButtonForLegacyEvents;
} else {
_isButton = function(event, code) {
return isIELegacyEvent(event) ? _isButtonForLegacyEvents(event, code) :
_isButtonForDOMEvents(event, code);
}
}
} else if (Prototype.Browser.WebKit) {
_isButton = _isButtonForWebKit;
} else {
_isButton = _isButtonForDOMEvents;
}
function isLeftClick(event) { return _isButton(event, 0) }
function isMiddleClick(event) { return _isButton(event, 1) }
function isRightClick(event) { return _isButton(event, 2) }
function element(event) {
event = Event.extend(event);
var node = event.target, type = event.type,
currentTarget = event.currentTarget;
if (currentTarget && currentTarget.tagName) {
if (type === 'load' || type === 'error' ||
(type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
&& currentTarget.type === 'radio'))
node = currentTarget;
}
if (node.nodeType == Node.TEXT_NODE)
node = node.parentNode;
return Element.extend(node);
}
function findElement(event, expression) {
var element = Event.element(event);
if (!expression) return element;
while (element) {
if (Object.isElement(element) && Prototype.Selector.match(element, expression)) {
return Element.extend(element);
}
element = element.parentNode;
}
}
function pointer(event) {
return { x: pointerX(event), y: pointerY(event) };
}
function pointerX(event) {
var docElement = document.documentElement,
body = document.body || { scrollLeft: 0 };
return event.pageX || (event.clientX +
(docElement.scrollLeft || body.scrollLeft) -
(docElement.clientLeft || 0));
}
function pointerY(event) {
var docElement = document.documentElement,
body = document.body || { scrollTop: 0 };
return event.pageY || (event.clientY +
(docElement.scrollTop || body.scrollTop) -
(docElement.clientTop || 0));
}
function stop(event) {
Event.extend(event);
event.preventDefault();
event.stopPropagation();
event.stopped = true;
}
Event.Methods = {
isLeftClick: isLeftClick,
isMiddleClick: isMiddleClick,
isRightClick: isRightClick,
element: element,
findElement: findElement,
pointer: pointer,
pointerX: pointerX,
pointerY: pointerY,
stop: stop
};
var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
m[name] = Event.Methods[name].methodize();
return m;
});
if (window.attachEvent) {
function _relatedTarget(event) {
var element;
switch (event.type) {
case 'mouseover':
case 'mouseenter':
element = event.fromElement;
break;
case 'mouseout':
case 'mouseleave':
element = event.toElement;
break;
default:
return null;
}
return Element.extend(element);
}
var additionalMethods = {
stopPropagation: function() { this.cancelBubble = true },
preventDefault: function() { this.returnValue = false },
inspect: function() { return '[object Event]' }
};
Event.extend = function(event, element) {
if (!event) return false;
if (!isIELegacyEvent(event)) return event;
if (event._extendedByPrototype) return event;
event._extendedByPrototype = Prototype.emptyFunction;
var pointer = Event.pointer(event);
Object.extend(event, {
target: event.srcElement || element,
relatedTarget: _relatedTarget(event),
pageX: pointer.x,
pageY: pointer.y
});
Object.extend(event, methods);
Object.extend(event, additionalMethods);
return event;
};
} else {
Event.extend = Prototype.K;
}
if (window.addEventListener) {
Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
Object.extend(Event.prototype, methods);
}
function _createResponder(element, eventName, handler) {
var registry = Element.retrieve(element, 'prototype_event_registry');
if (Object.isUndefined(registry)) {
CACHE.push(element);
registry = Element.retrieve(element, 'prototype_event_registry', $H());
}
var respondersForEvent = registry.get(eventName);
if (Object.isUndefined(respondersForEvent)) {
respondersForEvent = [];
registry.set(eventName, respondersForEvent);
}
if (respondersForEvent.pluck('handler').include(handler)) return false;
var responder;
if (eventName.include(":")) {
responder = function(event) {
if (Object.isUndefined(event.eventName))
return false;
if (event.eventName !== eventName)
return false;
Event.extend(event, element);
handler.call(element, event);
};
} else {
if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
(eventName === "mouseenter" || eventName === "mouseleave")) {
if (eventName === "mouseenter" || eventName === "mouseleave") {
responder = function(event) {
Event.extend(event, element);
var parent = event.relatedTarget;
while (parent && parent !== element) {
try { parent = parent.parentNode; }
catch(e) { parent = element; }
}
if (parent === element) return;
handler.call(element, event);
};
}
} else {
responder = function(event) {
Event.extend(event, element);
handler.call(element, event);
};
}
}
responder.handler = handler;
respondersForEvent.push(responder);
return responder;
}
function _destroyCache() {
for (var i = 0, length = CACHE.length; i < length; i++) {
Event.stopObserving(CACHE[i]);
CACHE[i] = null;
}
}
var CACHE = [];
if (Prototype.Browser.IE)
window.attachEvent('onunload', _destroyCache);
if (Prototype.Browser.WebKit)
window.addEventListener('unload', Prototype.emptyFunction, false);
var _getDOMEventName = Prototype.K,
translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
_getDOMEventName = function(eventName) {
return (translations[eventName] || eventName);
};
}
function observe(element, eventName, handler) {
element = $(element);
var responder = _createResponder(element, eventName, handler);
if (!responder) return element;
if (eventName.include(':')) {
if (element.addEventListener)
element.addEventListener("dataavailable", responder, false);
else {
element.attachEvent("ondataavailable", responder);
element.attachEvent("onlosecapture", responder);
}
} else {
var actualEventName = _getDOMEventName(eventName);
if (element.addEventListener)
element.addEventListener(actualEventName, responder, false);
else
element.attachEvent("on" + actualEventName, responder);
}
return element;
}
function stopObserving(element, eventName, handler) {
element = $(element);
var registry = Element.retrieve(element, 'prototype_event_registry');
if (!registry) return element;
if (!eventName) {
registry.each( function(pair) {
var eventName = pair.key;
stopObserving(element, eventName);
});
return element;
}
var responders = registry.get(eventName);
if (!responders) return element;
if (!handler) {
responders.each(function(r) {
stopObserving(element, eventName, r.handler);
});
return element;
}
var i = responders.length, responder;
while (i--) {
if (responders[i].handler === handler) {
responder = responders[i];
break;
}
}
if (!responder) return element;
if (eventName.include(':')) {
if (element.removeEventListener)
element.removeEventListener("dataavailable", responder, false);
else {
element.detachEvent("ondataavailable", responder);
element.detachEvent("onlosecapture", responder);
}
} else {
var actualEventName = _getDOMEventName(eventName);
if (element.removeEventListener)
element.removeEventListener(actualEventName, responder, false);
else
element.detachEvent('on' + actualEventName, responder);
}
registry.set(eventName, responders.without(responder));
return element;
}
function fire(element, eventName, memo, bubble) {
element = $(element);
if (Object.isUndefined(bubble))
bubble = true;
if (element == document && document.createEvent && !element.dispatchEvent)
element = document.documentElement;
var event;
if (document.createEvent) {
event = document.createEvent('HTMLEvents');
event.initEvent('dataavailable', bubble, true);
} else {
event = document.createEventObject();
event.eventType = bubble ? 'ondataavailable' : 'onlosecapture';
}
event.eventName = eventName;
event.memo = memo || { };
if (document.createEvent)
element.dispatchEvent(event);
else
element.fireEvent(event.eventType, event);
return Event.extend(event);
}
Event.Handler = Class.create({
initialize: function(element, eventName, selector, callback) {
this.element = $(element);
this.eventName = eventName;
this.selector = selector;
this.callback = callback;
this.handler = this.handleEvent.bind(this);
},
start: function() {
Event.observe(this.element, this.eventName, this.handler);
return this;
},
stop: function() {
Event.stopObserving(this.element, this.eventName, this.handler);
return this;
},
handleEvent: function(event) {
var element = Event.findElement(event, this.selector);
if (element) this.callback.call(this.element, event, element);
}
});
function on(element, eventName, selector, callback) {
element = $(element);
if (Object.isFunction(selector) && Object.isUndefined(callback)) {
callback = selector, selector = null;
}
return new Event.Handler(element, eventName, selector, callback).start();
}
Object.extend(Event, Event.Methods);
Object.extend(Event, {
fire: fire,
observe: observe,
stopObserving: stopObserving,
on: on
});
Element.addMethods({
fire: fire,
observe: observe,
stopObserving: stopObserving,
on: on
});
Object.extend(document, {
fire: fire.methodize(),
observe: observe.methodize(),
stopObserving: stopObserving.methodize(),
on: on.methodize(),
loaded: false
});
if (window.Event) Object.extend(window.Event, Event);
else window.Event = Event;
})();
(function() {
/* Support for the DOMContentLoaded event is based on work by Dan Webb,
Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */
var timer;
function fireContentLoadedEvent() {
if (document.loaded) return;
if (timer) window.clearTimeout(timer);
document.loaded = true;
document.fire('dom:loaded');
}
function checkReadyState() {
if (document.readyState === 'complete') {
document.stopObserving('readystatechange', checkReadyState);
fireContentLoadedEvent();
}
}
function pollDoScroll() {
try { document.documentElement.doScroll('left'); }
catch(e) {
timer = pollDoScroll.defer();
return;
}
fireContentLoadedEvent();
}
if (document.addEventListener) {
document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
} else {
document.observe('readystatechange', checkReadyState);
if (window == top)
timer = pollDoScroll.defer();
}
Event.observe(window, 'load', fireContentLoadedEvent);
})();
Element.addMethods();
/*------------------------------- 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');
var Position = {
includeScrollOffsets: false,
prepare: function() {
this.deltaX = window.pageXOffset
|| document.documentElement.scrollLeft
|| document.body.scrollLeft
|| 0;
this.deltaY = window.pageYOffset
|| document.documentElement.scrollTop
|| document.body.scrollTop
|| 0;
},
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);
},
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;
},
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);
/*--------------------------------------------------------------------------*/
(function() {
window.Selector = Class.create({
initialize: function(expression) {
this.expression = expression.strip();
},
findElements: function(rootElement) {
return Prototype.Selector.select(this.expression, rootElement);
},
match: function(element) {
return Prototype.Selector.match(element, this.expression);
},
toString: function() {
return this.expression;
},
inspect: function() {
return "#<Selector: " + this.expression + ">";
}
});
Object.extend(Selector, {
matchElements: function(elements, expression) {
var match = Prototype.Selector.match,
results = [];
for (var i = 0, length = elements.length; i < length; i++) {
var element = elements[i];
if (match(element, expression)) {
results.push(Element.extend(element));
}
}
return results;
},
findElement: function(elements, expression, index) {
index = index || 0;
var matchIndex = 0, element;
for (var i = 0, length = elements.length; i < length; i++) {
element = elements[i];
if (Prototype.Selector.match(element, expression) && index === matchIndex++) {
return Element.extend(element);
}
}
},
findChildElements: function(element, expressions) {
var selector = expressions.toArray().join(', ');
return Prototype.Selector.select(selector, element || document);
}
});
})();
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