var
Prototype = {
Version:
'1.6.1'
,
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.*Safari/.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'
);
var
form = document.createElement(
'form'
);
var
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;
}
};
var
Class = (
function
() {
function
subclass() {};
function
create() {
var
parent =
null
, properties = $A(arguments);
if
(Object.isFunction(properties[0]))
parent = properties.shift();
function
klass() {
this
.initialize.apply(
this
, arguments);
}
Object.extend(klass, Class.Methods);
klass.superclass = parent;
klass.subclasses = [];
if
(parent) {
subclass.prototype = parent.prototype;
klass.prototype =
new
subclass;
parent.subclasses.push(klass);
}
for
(
var
i = 0; i < properties.length; i++)
klass.addMethods(properties[i]);
if
(!klass.prototype.initialize)
klass.prototype.initialize = Prototype.emptyFunction;
klass.prototype.constructor = klass;
return
klass;
}
function
addMethods(source) {
var
ancestor =
this
.superclass &&
this
.superclass.prototype;
var
properties = Object.keys(source);
if
(!Object.keys({ toString:
true
}).length) {
if
(source.toString != Object.prototype.toString)
properties.push(
"toString"
);
if
(source.valueOf != Object.prototype.valueOf)
properties.push(
"valueOf"
);
}
for
(
var
i = 0, length = properties.length; i < length; i++) {
var
property = properties[i], value = source[property];
if
(ancestor && Object.isFunction(value) &&
value.argumentNames().first() ==
"$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;
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(object) {
var type = typeof object;
switch (type) {
case '
undefined
':
case '
function
':
case '
unknown
': return;
case '
boolean
': return object.toString();
}
if (object === null) return '
null
';
if (object.toJSON) return object.toJSON();
if (isElement(object)) return;
var results = [];
for (var property in object) {
var value = toJSON(object[property]);
if (!isUndefined(value))
results.push(property.toJSON() + '
:
' + value);
}
return '
{
' + results.join('
,
') + '
}
';
}
function toQueryString(object) {
return $H(object).toQueryString();
}
function toHTML(object) {
return object && object.toHTML ? object.toHTML() : String.interpret(object);
}
function keys(object) {
var results = [];
for (var property in object)
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) == "[object Array]";
}
function isHash(object) {
return object instanceof Hash;
}
function isFunction(object) {
return typeof object === "function";
}
function isString(object) {
return _toString.call(object) == "[object String]";
}
function isNumber(object) {
return _toString.call(object) == "[object Number]";
}
function isUndefined(object) {
return typeof object === "undefined";
}
extend(Object, {
extend: extend,
inspect: inspect,
toJSON: toJSON,
toQueryString: toQueryString,
toHTML: toHTML,
keys: keys,
values: values,
clone: clone,
isElement: isElement,
isArray: isArray,
isHash: isHash,
isFunction: isFunction,
isString: isString,
isNumber: isNumber,
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
}
})());
Date.prototype.toJSON = function() {
return '
"' + this.getUTCFullYear() + '-' +
(this.getUTCMonth() + 1).toPaddedString(2) + '-' +
this.getUTCDate().toPaddedString(2) + 'T' +
this.getUTCHours().toPaddedString(2) + ':' +
this.getUTCMinutes().toPaddedString(2) + ':' +
this.getUTCSeconds().toPaddedString(2) + 'Z"
';
};
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() {
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+$/, '
');
}
function stripTags() {
return this.replace(/<\w+(\s+("[^"]*"|'
[^
']*'
|[^>])+)?>|<\/\w+>/gi,
''
);
}
function
stripScripts() {
return
this
.replace(
new
RegExp(Prototype.ScriptFragment,
'img'
),
''
);
}
function
extractScripts() {
var
matchAll =
new
RegExp(Prototype.ScriptFragment,
'img'
);
var
matchOne =
new
RegExp(Prototype.ScriptFragment,
'im'
);
return
(
this
.match(matchAll) || []).map(
function
(scriptTag) {
return
(scriptTag.match(matchOne) || [
''
,
''
])[1];
});
}
function
evalScripts() {
return
this
.extractScripts().map(
function
(script) {
return
eval(script) });
}
function
escapeHTML() {
return
this
.replace(/&/g,
'&'
).replace(/</g,
'<'
).replace(/>/g,
'>'
);
}
function
unescapeHTML() {
return
this
.stripTags().replace(/</g,
'<'
).replace(/>/g,
'>'
).replace(/&/g,
'&'
);
}
function
toQueryParams(separator) {
var
match =
this
.strip().match(/([^?
#]*)(#.*)?$/);
if
(!match)
return
{ };
return
match[1].split(separator ||
'&'
).inject({ },
function
(hash, pair) {
if
((pair = pair.split(
'='
))[0]) {
var
key = decodeURIComponent(pair.shift());
var
value = pair.length > 1 ? pair.join(
'='
) : pair[0];
if
(value != undefined) value = decodeURIComponent(value);
if
(key
in
hash) {
if
(!Object.isArray(hash[key])) hash[key] = [hash[key]];
hash[key].push(value);
}
else
hash[key] = value;
}
return
hash;
});
}
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() {
var
parts =
this
.split(
'-'
), len = parts.length;
if
(len == 1)
return
parts[0];
var
camelized =
this
.charAt(0) ==
'-'
? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
: parts[0];
for
(
var
i = 1; i < len; i++)
camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
return
camelized;
}
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 toJSON() {
return this.inspect(true);
}
function unfilterJSON(filter) {
return this.replace(filter || Prototype.JSONFilter, '
$1
');
}
function isJSON() {
var str = this;
if (str.blank()) return false;
str = this.replace(/\\./g, '
@
').replace(/"[^"\\\n\r]*"/g, '
');
return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
}
function evalJSON(sanitize) {
var json = this.unfilterJSON();
try {
if (!sanitize || json.isJSON()) return eval('
(
' + json + '
)
');
} catch (e) { }
throw new SyntaxError('
Badly formed JSON string:
' + this.inspect());
}
function include(pattern) {
return this.indexOf(pattern) > -1;
}
function startsWith(pattern) {
return this.indexOf(pattern) === 0;
}
function endsWith(pattern) {
var d = this.length - pattern.length;
return d >= 0 && this.lastIndexOf(pattern) === d;
}
function empty() {
return this == '
';
}
function blank() {
return /^\s*$/.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 ? 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,
toJSON: toJSON,
unfilterJSON: unfilterJSON,
isJSON: isJSON,
evalJSON: 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];
var 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) {
for (var i = 0, length = this.length; i < length; i++)
iterator(this[i]);
}
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 : this.toArray())._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 toJSON() {
var results = [];
this.each(function(object) {
var value = Object.toJSON(object);
if (!Object.isUndefined(value)) results.push(value);
});
return '
[
' + results.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,
toJSON: toJSON
});
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))
return results.concat(values.map(toQueryPair.curry(key)));
} 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 toJSON() {
return Object.toJSON(this.toObject());
}
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: toJSON,
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 toJSON() {
return isFinite(this) ? this.toString() : '
null
';
}
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,
toJSON: toJSON,
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.isString(this.options.parameters))
this.options.parameters = this.options.parameters.toQueryParams();
else if (Object.isHash(this.options.parameters))
this.options.parameters = this.options.parameters.toObject();
}
});
Ajax.Request = Class.create(Ajax.Base, {
_complete: false,
initialize: function($super, url, options) {
$super(options);
this.transport = Ajax.getTransport();
this.request(url);
},
request: function(url) {
this.url = url;
this.method = this.options.method;
var params = Object.clone(this.options.parameters);
if (!['
get
', '
post
'].include(this.method)) {
params['
_method
'] = this.method;
this.method = '
post
';
}
this.parameters = params;
if (params = Object.toQueryString(params)) {
if (this.method == '
get
')
this.url += (this.url.include('
?
') ? '
&
' : '
?
') + params;
else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
params += '
&_=
';
}
try {
var response = new Ajax.Response(this);
if (this.options.onCreate) this.options.onCreate(response);
Ajax.Responders.dispatch('
onCreate
', this, response);
this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);
if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
this.transport.onreadystatechange = this.onStateChange.bind(this);
this.setRequestHeaders();
this.body = this.method == '
post
' ? (this.options.postBody || params) : null;
this.transport.send(this.body);
/* Force Firefox to handle ready state 4 for synchronous requests */
if (!this.options.asynchronous && this.transport.overrideMimeType)
this.onStateChange();
}
catch (e) {
this.dispatchException(e);
}
},
onStateChange: function() {
var readyState = this.transport.readyState;
if (readyState > 1 && !((readyState == 4) && this._complete))
this.respondToReadyState(this.transport.readyState);
},
setRequestHeaders: function() {
var headers = {
'
X-Requested-With
': '
XMLHttpRequest
',
'
X-Prototype-Version
': Prototype.Version,
'
Accept
': '
text/javascript, text/html, application/xml, text/xml, *
if
(
this
.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
$H(extras).each(function(pair) { headers[pair.key] = pair.value });
}
for (var name in headers)
this.transport.setRequestHeader(name, headers[name]);
},
success: function() {
var status = this.getStatus();
return !status || (status >= 200 && status < 300);
},
getStatus: function() {
try {
return this.transport.status || 0;
} catch (e) { return 0 }
},
respondToReadyState: function(readyState) {
var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
if (state == '
Complete
') {
try {
this._complete = true;
(this.options['
on
' + response.status]
|| this.options['
on
' + (this.success() ? '
Success
' : '
Failure
')]
|| Prototype.emptyFunction)(response, response.headerJSON);
} catch (e) {
this.dispatchException(e);
}
var contentType = response.getHeader('
Content-type
');
if (this.options.evalJS == '
force
'
|| (this.options.evalJS && this.isSameOrigin() && contentType
&& contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/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 (!window.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) {
var SETATTRIBUTE_IGNORES_NAME = (function(){
var elForm = document.createElement("form");
var elInput = document.createElement("input");
var root = document.documentElement;
elInput.setAttribute("name", "test");
elForm.appendChild(elInput);
root.appendChild(elForm);
var isBuggy = elForm.elements
? (typeof elForm.elements.test == "undefined")
: null;
root.removeChild(elForm);
elForm = elInput = null;
return isBuggy;
})();
var element = global.Element;
global.Element = function(tagName, attributes) {
attributes = attributes || { };
tagName = tagName.toLowerCase();
var cache = Element.cache;
if (SETATTRIBUTE_IGNORES_NAME && attributes.name) {
tagName = '
<
' + tagName + '
name=
"' + attributes.name + '"
>
';
delete attributes.name;
return Element.writeAttribute(document.createElement(tagName), attributes);
}
if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
};
Object.extend(global.Element, element || { });
if (element) global.Element.prototype = element.prototype;
})(this);
Element.cache = { };
Element.idCounter = 1;
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 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);
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 (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_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 {
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();
var value = (element[property] || '
').toString();
if (value) result += '
' + attribute + '
=
' + value.inspect(true);
});
return result + '
>
';
},
recursivelyCollect: function(element, property) {
element = $(element);
var elements = [];
while (element = element[property])
if (element.nodeType == 1)
elements.push(Element.extend(element));
return elements;
},
ancestors: function(element) {
return Element.recursivelyCollect(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) {
if (!(element = $(element).firstChild)) return [];
while (element && element.nodeType != 1) element = element.nextSibling;
if (element) return [element].concat($(element).nextSiblings());
return [];
},
previousSiblings: function(element) {
return Element.recursivelyCollect(element, '
previousSibling
');
},
nextSiblings: function(element) {
return Element.recursivelyCollect(element, '
nextSibling
');
},
siblings: function(element) {
element = $(element);
return Element.previousSiblings(element).reverse()
.concat(Element.nextSiblings(element));
},
match: function(element, selector) {
if (Object.isString(selector))
selector = new Selector(selector);
return selector.match($(element));
},
up: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(element.parentNode);
var ancestors = Element.ancestors(element);
return Object.isNumber(expression) ? ancestors[expression] :
Selector.findElement(ancestors, expression, index);
},
down: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return Element.firstDescendant(element);
return Object.isNumber(expression) ? Element.descendants(element)[expression] :
Element.select(element, expression)[index || 0];
},
previous: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
var previousSiblings = Element.previousSiblings(element);
return Object.isNumber(expression) ? previousSiblings[expression] :
Selector.findElement(previousSiblings, expression, index);
},
next: function(element, expression, index) {
element = $(element);
if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
var nextSiblings = Element.nextSiblings(element);
return Object.isNumber(expression) ? nextSiblings[expression] :
Selector.findElement(nextSiblings, expression, index);
},
select: function(element) {
var args = Array.prototype.slice.call(arguments, 1);
return Selector.findChildElements(element, args);
},
adjacent: function(element) {
var args = Array.prototype.slice.call(arguments, 1);
return Selector.findChildElements(element.parentNode, args).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;
},
getDimensions: function(element) {
element = $(element);
var display = Element.getStyle(element, '
display
');
if (display != '
none
' && display != null) // Safari bug
return {width: element.offsetWidth, height: element.offsetHeight};
var els = element.style;
var originalVisibility = els.visibility;
var originalPosition = els.position;
var originalDisplay = els.display;
els.visibility = '
hidden
';
if (originalPosition != '
fixed
') // Switching fixed to absolute causes issues in Safari
els.position = '
absolute
';
els.display = '
block
';
var originalWidth = element.clientWidth;
var originalHeight = element.clientHeight;
els.display = originalDisplay;
els.position = originalPosition;
els.visibility = originalVisibility;
return {width: originalWidth, height: originalHeight};
},
makePositioned: function(element) {
element = $(element);
var pos = Element.getStyle(element, '
position
');
if (pos == '
static
' || !pos) {
element._madePositioned = true;
element.style.position = '
relative
';
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;
},
cumulativeOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
} while (element);
return Element._returnOffset(valueL, valueT);
},
positionedOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element = element.offsetParent;
if (element) {
if (element.tagName.toUpperCase() == '
BODY
') break;
var p = Element.getStyle(element, '
position
');
if (p !== '
static
') break;
}
} while (element);
return Element._returnOffset(valueL, valueT);
},
absolutize: function(element) {
element = $(element);
if (Element.getStyle(element, '
position
') == '
absolute
') return element;
var offsets = Element.positionedOffset(element);
var top = offsets[1];
var left = offsets[0];
var width = element.clientWidth;
var height = element.clientHeight;
element._originalLeft = left - parseFloat(element.style.left || 0);
element._originalTop = top - parseFloat(element.style.top || 0);
element._originalWidth = element.style.width;
element._originalHeight = element.style.height;
element.style.position = '
absolute
';
element.style.top = top + '
px
';
element.style.left = left + '
px
';
element.style.width = width + '
px
';
element.style.height = height + '
px
';
return element;
},
relativize: function(element) {
element = $(element);
if (Element.getStyle(element, '
position
') == '
relative
') return element;
element.style.position = '
relative
';
var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
element.style.top = top + '
px
';
element.style.left = left + '
px
';
element.style.height = element._originalHeight;
element.style.width = element._originalWidth;
return element;
},
cumulativeScrollOffset: function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.scrollTop || 0;
valueL += element.scrollLeft || 0;
element = element.parentNode;
} while (element);
return Element._returnOffset(valueL, valueT);
},
getOffsetParent: function(element) {
if (element.offsetParent) return $(element.offsetParent);
if (element == document.body) return $(element);
while ((element = element.parentNode) && element != document.body)
if (Element.getStyle(element, '
position
') != '
static
')
return $(element);
return $(document.body);
},
viewportOffset: function(forElement) {
var valueT = 0, valueL = 0;
var element = forElement;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
if (element.offsetParent == document.body &&
Element.getStyle(element, '
position
') == '
absolute
') break;
} while (element = element.offsetParent);
element = forElement;
do {
if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == '
BODY
'))) {
valueT -= element.scrollTop || 0;
valueL -= element.scrollLeft || 0;
}
} while (element = element.parentNode);
return Element._returnOffset(valueL, valueT);
},
clonePosition: function(element, source) {
var options = Object.extend({
setLeft: true,
setTop: true,
setWidth: true,
setHeight: true,
offsetTop: 0,
offsetLeft: 0
}, arguments[2] || { });
source = $(source);
var p = Element.viewportOffset(source);
element = $(element);
var delta = [0, 0];
var parent = null;
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 '
left
': case '
top
': case '
right
': case '
bottom
':
if (proceed(element, '
position
') === '
static
') return null;
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.getOffsetParent = Element.Methods.getOffsetParent.wrap(
function(proceed, element) {
element = $(element);
try { element.offsetParent }
catch(e) { 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;
}
);
$w('
positionedOffset viewportOffset
').each(function(method) {
Element.Methods[method] = Element.Methods[method].wrap(
function(proceed, element) {
element = $(element);
try { element.offsetParent }
catch(e) { return Element._returnOffset(0,0) }
var position = element.getStyle('
position
');
if (position !== '
static
') return proceed(element);
var offsetParent = element.getOffsetParent();
if (offsetParent && offsetParent.getStyle('
position
') === '
fixed
')
offsetParent.setStyle({ zoom: 1 });
element.setStyle({ position: '
relative
' });
var value = proceed(element);
element.setStyle({ position: position });
return value;
}
);
});
Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
function(proceed, element) {
try { element.offsetParent }
catch(e) { return Element._returnOffset(0,0) }
return proceed(element);
}
);
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
';
var forProp = '
for
';
var 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
');
el.onclick = Prototype.emptyFunction;
var value = el.getAttribute('
onclick
');
var f;
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;
};
Element.Methods.cumulativeOffset = function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
if (element.offsetParent == document.body)
if (Element.getStyle(element, '
position
') == '
absolute
') break;
element = element.offsetParent;
} while (element);
return Element._returnOffset(valueL, valueT);
};
}
if ('
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();
var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
parent.removeChild(element);
if (nextSibling)
fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
else
fragments.each(function(node) { parent.appendChild(node) });
}
else element.outerHTML = content.stripScripts();
content.evalScripts.bind(content).defer();
return element;
};
}
Element._returnOffset = function(l, t) {
var result = [l, t];
result.left = l;
result.top = t;
return result;
};
Element._getContentFromAnonymousElement = function(tagName, html) {
var div = new Element('
div
'), t = Element._insertionTranslations.tags[tagName];
if (t) {
div.innerHTML = t[0] + html + t[1];
t[2].times(function() { div = div.firstChild });
} else div.innerHTML = html;
return $A(div.childNodes);
};
Element._insertionTranslations = {
before: function(element, node) {
element.parentNode.insertBefore(node, element);
},
top: function(element, node) {
element.insertBefore(node, element.firstChild);
},
bottom: function(element, node) {
element.appendChild(node);
},
after: function(element, node) {
element.parentNode.insertBefore(node, element.nextSibling);
},
tags: {
TABLE: ['
<table>
', '
</table>
', 1],
TBODY: ['
<table><tbody>
', '
</tbody></table>
', 2],
TR: ['
<table><tbody><tr>
', '
</tr></tbody></table>
', 3],
TD: ['
<table><tbody><tr><td>
', '
</td></tr></tbody></table>
', 4],
SELECT: ['
<select>
', '
</select>
', 1]
}
};
(function() {
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 = $(element).getAttributeNode(attribute);
return !!(node && node.specified);
}
};
Element.Methods.ByTag = { };
Object.extend(Element, Element.Methods);
(function(div) {
if (!Prototype.BrowserFeatures.ElementExtensions && div['
__proto__
']) {
window.HTMLElement = { };
window.HTMLElement.prototype = div['
__proto__
'];
Prototype.BrowserFeatures.ElementExtensions = true;
}
div = null;
})(document.createElement('
div
'))
Element.extend = (function() {
function checkDeficiency(tagName) {
if (typeof window.Element != '
undefined
') {
var proto = window.Element.prototype;
if (proto) {
var id = '
_
' + (Math.random()+'
').slice(2);
var el = document.createElement(tagName);
proto[id] = '
x
';
var isBuggy = (el[id] !== '
x
');
delete proto[id];
el = null;
return isBuggy;
}
}
return false;
}
function extendElementWith(element, methods) {
for (var property in methods) {
var value = methods[property];
if (Object.isFunction(value) && !(property in element))
element[property] = value.methodize();
}
}
var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('
object
');
if (Prototype.BrowserFeatures.SpecificElementExtensions) {
if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
return function(element) {
if (element && typeof element._extendedByPrototype == '
undefined
') {
var t = element.tagName;
if (t && (/^(?:object|applet|embed)$/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;
})();
Element.hasAttribute = function(element, attribute) {
if (element.hasAttribute) return element.hasAttribute(attribute);
return Element.Methods.Simulated.hasAttribute(element, attribute);
};
Element.addMethods = function(methods) {
var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
if (!methods) {
Object.extend(Form, Form.Methods);
Object.extend(Form.Element, Form.Element.Methods);
Object.extend(Element.Methods.ByTag, {
"FORM": Object.clone(Form.Methods),
"INPUT": Object.clone(Form.Element.Methods),
"SELECT": Object.clone(Form.Element.Methods),
"TEXTAREA": Object.clone(Form.Element.Methods)
});
}
if (arguments.length == 2) {
var tagName = methods;
methods = arguments[1];
}
if (!tagName) Object.extend(Element.Methods, methods || { });
else {
if (Object.isArray(tagName)) tagName.each(extend);
else extend(tagName);
}
function extend(tagName) {
tagName = tagName.toUpperCase();
if (!Element.Methods.ByTag[tagName])
Element.Methods.ByTag[tagName] = { };
Object.extend(Element.Methods.ByTag[tagName], methods);
}
function copy(methods, destination, onlyIfAbsent) {
onlyIfAbsent = onlyIfAbsent || false;
for (var property in methods) {
var value = methods[property];
if (!Object.isFunction(value)) continue;
if (!onlyIfAbsent || !(property in destination))
destination[property] = value.methodize();
}
}
function findDOMClass(tagName) {
var klass;
var trans = {
"OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
"FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
"DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
"H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
"INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
"TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
"TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
"TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
"FrameSet", "IFRAME": "IFrame"
};
if (trans[tagName]) klass = '
HTML
' + trans[tagName] + '
Element
';
if (window[klass]) return window[klass];
klass = '
HTML
' + tagName + '
Element
';
if (window[klass]) return window[klass];
klass = '
HTML
' + tagName.capitalize() + '
Element
';
if (window[klass]) return window[klass];
var element = document.createElement(tagName);
var 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[0];
}
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);
}
});
/* Portions of the Selector class are derived from Jack Slocum'
s DomQuery,
* part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
* license. Please see http:
var
Selector = Class.create({
initialize:
function
(expression) {
this
.expression = expression.strip();
if
(
this
.shouldUseSelectorsAPI()) {
this
.mode =
'selectorsAPI'
;
}
else
if
(
this
.shouldUseXPath()) {
this
.mode =
'xpath'
;
this
.compileXPathMatcher();
}
else
{
this
.mode =
"normal"
;
this
.compileMatcher();
}
},
shouldUseXPath: (
function
() {
var
IS_DESCENDANT_SELECTOR_BUGGY = (
function
(){
var
isBuggy =
false
;
if
(document.evaluate && window.XPathResult) {
var
el = document.createElement(
'div'
);
el.innerHTML =
'<ul><li></li></ul><div><ul><li></li></ul></div>'
;
var
xpath =
".//*[local-name()='ul' or local-name()='UL']"
+
"//*[local-name()='li' or local-name()='LI']"
;
var
result = document.evaluate(xpath, el,
null
,
XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,
null
);
isBuggy = (result.snapshotLength !== 2);
el =
null
;
}
return
isBuggy;
})();
return
function
() {
if
(!Prototype.BrowserFeatures.XPath)
return
false
;
var
e =
this
.expression;
if
(Prototype.Browser.WebKit &&
(e.include(
"-of-type"
) || e.include(
":empty"
)))
return
false
;
if
((/(\[[\w-]*?:|:checked)/).test(e))
return
false
;
if
(IS_DESCENDANT_SELECTOR_BUGGY)
return
false
;
return
true
;
}
})(),
shouldUseSelectorsAPI:
function
() {
if
(!Prototype.BrowserFeatures.SelectorsAPI)
return
false
;
if
(Selector.CASE_INSENSITIVE_CLASS_NAMES)
return
false
;
if
(!Selector._div) Selector._div =
new
Element(
'div'
);
try
{
Selector._div.querySelector(
this
.expression);
}
catch
(e) {
return
false
;
}
return
true
;
},
compileMatcher:
function
() {
var
e =
this
.expression, ps = Selector.patterns, h = Selector.handlers,
c = Selector.criteria, le, p, m, len = ps.length, name;
if
(Selector._cache[e]) {
this
.matcher = Selector._cache[e];
return
;
}
this
.matcher = [
"this.matcher = function(root) {"
,
"var r = root, h = Selector.handlers, c = false, n;"
];
while
(e && le != e && (/\S/).test(e)) {
le = e;
for
(
var
i = 0; i<len; i++) {
p = ps[i].re;
name = ps[i].name;
if
(m = e.match(p)) {
this
.matcher.push(Object.isFunction(c[name]) ? c[name](m) :
new
Template(c[name]).evaluate(m));
e = e.replace(m[0],
''
);
break
;
}
}
}
this
.matcher.push(
"return h.unique(n);\n}"
);
eval(
this
.matcher.join(
'\n'
));
Selector._cache[
this
.expression] =
this
.matcher;
},
compileXPathMatcher:
function
() {
var
e =
this
.expression, ps = Selector.patterns,
x = Selector.xpath, le, m, len = ps.length, name;
if
(Selector._cache[e]) {
this
.xpath = Selector._cache[e];
return
;
}
this
.matcher = [
'.//*'
];
while
(e && le != e && (/\S/).test(e)) {
le = e;
for
(
var
i = 0; i<len; i++) {
name = ps[i].name;
if
(m = e.match(ps[i].re)) {
this
.matcher.push(Object.isFunction(x[name]) ? x[name](m) :
new
Template(x[name]).evaluate(m));
e = e.replace(m[0],
''
);
break
;
}
}
}
this
.xpath =
this
.matcher.join(
''
);
Selector._cache[
this
.expression] =
this
.xpath;
},
findElements:
function
(root) {
root = root || document;
var
e =
this
.expression, results;
switch
(
this
.mode) {
case
'selectorsAPI'
:
if
(root !== document) {
var
oldId = root.id, id = $(root).identify();
id = id.replace(/([\.:])/g,
"\\$1"
);
e =
"#"
+ id +
" "
+ e;
}
results = $A(root.querySelectorAll(e)).map(Element.extend);
root.id = oldId;
return
results;
case
'xpath'
:
return
document._getElementsByXPath(
this
.xpath, root);
default
:
return
this
.matcher(root);
}
},
match:
function
(element) {
this
.tokens = [];
var
e =
this
.expression, ps = Selector.patterns, as = Selector.assertions;
var
le, p, m, len = ps.length, name;
while
(e && le !== e && (/\S/).test(e)) {
le = e;
for
(
var
i = 0; i<len; i++) {
p = ps[i].re;
name = ps[i].name;
if
(m = e.match(p)) {
if
(as[name]) {
this
.tokens.push([name, Object.clone(m)]);
e = e.replace(m[0],
''
);
}
else
{
return
this
.findElements(document).include(element);
}
}
}
}
var
match =
true
, name, matches;
for
(
var
i = 0, token; token =
this
.tokens[i]; i++) {
name = token[0], matches = token[1];
if
(!Selector.assertions[name](element, matches)) {
match =
false
;
break
;
}
}
return
match;
},
toString:
function
() {
return
this
.expression;
},
inspect:
function
() {
return
"#<Selector:"
+
this
.expression.inspect() +
">"
;
}
});
if
(Prototype.BrowserFeatures.SelectorsAPI &&
document.compatMode ===
'BackCompat'
) {
Selector.CASE_INSENSITIVE_CLASS_NAMES = (
function
(){
var
div = document.createElement(
'div'
),
span = document.createElement(
'span'
);
div.id =
"prototype_test_id"
;
span.className =
'Test'
;
div.appendChild(span);
var
isIgnored = (div.querySelector(
'#prototype_test_id .test'
) !==
null
);
div = span =
null
;
return
isIgnored;
})();
}
Object.extend(Selector, {
_cache: { },
xpath: {
descendant:
"//*"
,
child:
"/*"
,
adjacent:
"/following-sibling::*[1]"
,
laterSibling:
'/following-sibling::*'
,
tagName:
function
(m) {
if
(m[1] ==
'*'
)
return
''
;
return
"[local-name()='"
+ m[1].toLowerCase() +
"' or local-name()='"
+ m[1].toUpperCase() +
"']"
;
},
className:
"[contains(concat(' ', @class, ' '), ' #{1} ')]"
,
id:
"[@id='#{1}']"
,
attrPresence:
function
(m) {
m[1] = m[1].toLowerCase();
return
new
Template(
"[@#{1}]"
).evaluate(m);
},
attr:
function
(m) {
m[1] = m[1].toLowerCase();
m[3] = m[5] || m[6];
return
new
Template(Selector.xpath.operators[m[2]]).evaluate(m);
},
pseudo:
function
(m) {
var
h = Selector.xpath.pseudos[m[1]];
if
(!h)
return
''
;
if
(Object.isFunction(h))
return
h(m);
return
new
Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
},
operators: {
'='
:
"[@#{1}='#{3}']"
,
'!='
:
"[@#{1}!='#{3}']"
,
'^='
:
"[starts-with(@#{1}, '#{3}')]"
,
'$='
:
"[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']"
,
'*='
:
"[contains(@#{1}, '#{3}')]"
,
'~='
:
"[contains(concat(' ', @#{1}, ' '), ' #{3} ')]"
,
'|='
:
"[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
},
pseudos: {
'first-child'
:
'[not(preceding-sibling::*)]'
,
'last-child'
:
'[not(following-sibling::*)]'
,
'only-child'
:
'[not(preceding-sibling::* or following-sibling::*)]'
,
'empty'
:
"[count(*) = 0 and (count(text()) = 0)]"
,
'checked'
:
"[@checked]"
,
'disabled'
:
"[(@disabled) and (@type!='hidden')]"
,
'enabled'
:
"[not(@disabled) and (@type!='hidden')]"
,
'not'
:
function
(m) {
var
e = m[6], p = Selector.patterns,
x = Selector.xpath, le, v, len = p.length, name;
var
exclusion = [];
while
(e && le != e && (/\S/).test(e)) {
le = e;
for
(
var
i = 0; i<len; i++) {
name = p[i].name
if
(m = e.match(p[i].re)) {
v = Object.isFunction(x[name]) ? x[name](m) :
new
Template(x[name]).evaluate(m);
exclusion.push(
"("
+ v.substring(1, v.length - 1) +
")"
);
e = e.replace(m[0],
''
);
break
;
}
}
}
return
"[not("
+ exclusion.join(
" and "
) +
")]"
;
},
'nth-child'
:
function
(m) {
return
Selector.xpath.pseudos.nth(
"(count(./preceding-sibling::*) + 1) "
, m);
},
'nth-last-child'
:
function
(m) {
return
Selector.xpath.pseudos.nth(
"(count(./following-sibling::*) + 1) "
, m);
},
'nth-of-type'
:
function
(m) {
return
Selector.xpath.pseudos.nth(
"position() "
, m);
},
'nth-last-of-type'
:
function
(m) {
return
Selector.xpath.pseudos.nth(
"(last() + 1 - position()) "
, m);
},
'first-of-type'
:
function
(m) {
m[6] =
"1"
;
return
Selector.xpath.pseudos[
'nth-of-type'
](m);
},
'last-of-type'
:
function
(m) {
m[6] =
"1"
;
return
Selector.xpath.pseudos[
'nth-last-of-type'
](m);
},
'only-of-type'
:
function
(m) {
var
p = Selector.xpath.pseudos;
return
p[
'first-of-type'
](m) + p[
'last-of-type'
](m);
},
nth:
function
(fragment, m) {
var
mm, formula = m[6], predicate;
if
(formula ==
'even'
) formula =
'2n+0'
;
if
(formula ==
'odd'
) formula =
'2n+1'
;
if
(mm = formula.match(/^(\d+)$/))
return
'['
+ fragment +
"= "
+ mm[1] +
']'
;
if
(mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) {
if
(mm[1] ==
"-"
) mm[1] = -1;
var
a = mm[1] ? Number(mm[1]) : 1;
var
b = mm[2] ? Number(mm[2]) : 0;
predicate =
"[((#{fragment} - #{b}) mod #{a} = 0) and "
+
"((#{fragment} - #{b}) div #{a} >= 0)]"
;
return
new
Template(predicate).evaluate({
fragment: fragment, a: a, b: b });
}
}
}
},
criteria: {
tagName:
'n = h.tagName(n, r, "#{1}", c); c = false;'
,
className:
'n = h.className(n, r, "#{1}", c); c = false;'
,
id:
'n = h.id(n, r, "#{1}", c); c = false;'
,
attrPresence:
'n = h.attrPresence(n, r, "#{1}", c); c = false;'
,
attr:
function
(m) {
m[3] = (m[5] || m[6]);
return
new
Template(
'n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;'
).evaluate(m);
},
pseudo:
function
(m) {
if
(m[6]) m[6] = m[6].replace(/
"/g, '\\"
');
return
new
Template(
'n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;'
).evaluate(m);
},
descendant:
'c = "descendant";'
,
child:
'c = "child";'
,
adjacent:
'c = "adjacent";'
,
laterSibling:
'c = "laterSibling";'
},
patterns: [
{ name:
'laterSibling'
, re: /^\s*~\s*/ },
{ name:
'child'
, re: /^\s*>\s*/ },
{ name:
'adjacent'
, re: /^\s*\+\s*/ },
{ name:
'descendant'
, re: /^\s/ },
{ name:
'tagName'
, re: /^\s*(\*|[\w\-]+)(\b|$)?/ },
{ name:
'id'
, re: /^
#([\w\-\*]+)(\b|$)/ },
{ name:
'className'
, re: /^\.([\w\-\*]+)(\b|$)/ },
{ name:
'pseudo'
, re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ },
{ name:
'attrPresence'
, re: /^\[((?:[\w-]+:)?[\w-]+)\]/ },
{ name:
'attr'
, re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*(([
'"])([^\4]*?)\4|([^'
"][^\]]*?)))?\]/ }
],
assertions: {
tagName:
function
(element, matches) {
return
matches[1].toUpperCase() == element.tagName.toUpperCase();
},
className:
function
(element, matches) {
return
Element.hasClassName(element, matches[1]);
},
id:
function
(element, matches) {
return
element.id === matches[1];
},
attrPresence:
function
(element, matches) {
return
Element.hasAttribute(element, matches[1]);
},
attr:
function
(element, matches) {
var
nodeValue = Element.readAttribute(element, matches[1]);
return
nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
}
},
handlers: {
concat:
function
(a, b) {
for
(
var
i = 0, node; node = b[i]; i++)
a.push(node);
return
a;
},
mark:
function
(nodes) {
var
_true = Prototype.emptyFunction;
for
(
var
i = 0, node; node = nodes[i]; i++)
node._countedByPrototype = _true;
return
nodes;
},
unmark: (
function
(){
var
PROPERTIES_ATTRIBUTES_MAP = (
function
(){
var
el = document.createElement(
'div'
),
isBuggy =
false
,
propName =
'_countedByPrototype'
,
value =
'x'
el[propName] = value;
isBuggy = (el.getAttribute(propName) === value);
el =
null
;
return
isBuggy;
})();
return
PROPERTIES_ATTRIBUTES_MAP ?
function
(nodes) {
for
(
var
i = 0, node; node = nodes[i]; i++)
node.removeAttribute(
'_countedByPrototype'
);
return
nodes;
} :
function
(nodes) {
for
(
var
i = 0, node; node = nodes[i]; i++)
node._countedByPrototype = void 0;
return
nodes;
}
})(),
index:
function
(parentNode, reverse, ofType) {
parentNode._countedByPrototype = Prototype.emptyFunction;
if
(reverse) {
for
(
var
nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
var
node = nodes[i];
if
(node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
}
}
else
{
for
(
var
i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
if
(node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
}
},
unique:
function
(nodes) {
if
(nodes.length == 0)
return
nodes;
var
results = [], n;
for
(
var
i = 0, l = nodes.length; i < l; i++)
if
(
typeof
(n = nodes[i])._countedByPrototype ==
'undefined'
) {
n._countedByPrototype = Prototype.emptyFunction;
results.push(Element.extend(n));
}
return
Selector.handlers.unmark(results);
},
descendant:
function
(nodes) {
var
h = Selector.handlers;
for
(
var
i = 0, results = [], node; node = nodes[i]; i++)
h.concat(results, node.getElementsByTagName(
'*'
));
return
results;
},
child:
function
(nodes) {
var
h = Selector.handlers;
for
(
var
i = 0, results = [], node; node = nodes[i]; i++) {
for
(
var
j = 0, child; child = node.childNodes[j]; j++)
if
(child.nodeType == 1 && child.tagName !=
'!'
) results.push(child);
}
return
results;
},
adjacent:
function
(nodes) {
for
(
var
i = 0, results = [], node; node = nodes[i]; i++) {
var
next =
this
.nextElementSibling(node);
if
(next) results.push(next);
}
return
results;
},
laterSibling:
function
(nodes) {
var
h = Selector.handlers;
for
(
var
i = 0, results = [], node; node = nodes[i]; i++)
h.concat(results, Element.nextSiblings(node));
return
results;
},
nextElementSibling:
function
(node) {
while
(node = node.nextSibling)
if
(node.nodeType == 1)
return
node;
return
null
;
},
previousElementSibling:
function
(node) {
while
(node = node.previousSibling)
if
(node.nodeType == 1)
return
node;
return
null
;
},
tagName:
function
(nodes, root, tagName, combinator) {
var
uTagName = tagName.toUpperCase();
var
results = [], h = Selector.handlers;
if
(nodes) {
if
(combinator) {
if
(combinator ==
"descendant"
) {
for
(
var
i = 0, node; node = nodes[i]; i++)
h.concat(results, node.getElementsByTagName(tagName));
return
results;
}
else
nodes =
this
[combinator](nodes);
if
(tagName ==
"*"
)
return
nodes;
}
for
(
var
i = 0, node; node = nodes[i]; i++)
if
(node.tagName.toUpperCase() === uTagName) results.push(node);
return
results;
}
else
return
root.getElementsByTagName(tagName);
},
id:
function
(nodes, root, id, combinator) {
var
targetNode = $(id), h = Selector.handlers;
if
(root == document) {
if
(!targetNode)
return
[];
if
(!nodes)
return
[targetNode];
}
else
{
if
(!root.sourceIndex || root.sourceIndex < 1) {
var
nodes = root.getElementsByTagName(
'*'
);
for
(
var
j = 0, node; node = nodes[j]; j++) {
if
(node.id === id)
return
[node];
}
}
}
if
(nodes) {
if
(combinator) {
if
(combinator ==
'child'
) {
for
(
var
i = 0, node; node = nodes[i]; i++)
if
(targetNode.parentNode == node)
return
[targetNode];
}
else
if
(combinator ==
'descendant'
) {
for
(
var
i = 0, node; node = nodes[i]; i++)
if
(Element.descendantOf(targetNode, node))
return
[targetNode];
}
else
if
(combinator ==
'adjacent'
) {
for
(
var
i = 0, node; node = nodes[i]; i++)
if
(Selector.handlers.previousElementSibling(targetNode) == node)
return
[targetNode];
}
else
nodes = h[combinator](nodes);
}
for
(
var
i = 0, node; node = nodes[i]; i++)
if
(node == targetNode)
return
[targetNode];
return
[];
}
return
(targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
},
className:
function
(nodes, root, className, combinator) {
if
(nodes && combinator) nodes =
this
[combinator](nodes);
return
Selector.handlers.byClassName(nodes, root, className);
},
byClassName:
function
(nodes, root, className) {
if
(!nodes) nodes = Selector.handlers.descendant([root]);
var
needle =
' '
+ className +
' '
;
for
(
var
i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
nodeClassName = node.className;
if
(nodeClassName.length == 0)
continue
;
if
(nodeClassName == className || (
' '
+ nodeClassName +
' '
).include(needle))
results.push(node);
}
return
results;
},
attrPresence:
function
(nodes, root, attr, combinator) {
if
(!nodes) nodes = root.getElementsByTagName(
"*"
);
if
(nodes && combinator) nodes =
this
[combinator](nodes);
var
results = [];
for
(
var
i = 0, node; node = nodes[i]; i++)
if
(Element.hasAttribute(node, attr)) results.push(node);
return
results;
},
attr:
function
(nodes, root, attr, value, operator, combinator) {
if
(!nodes) nodes = root.getElementsByTagName(
"*"
);
if
(nodes && combinator) nodes =
this
[combinator](nodes);
var
handler = Selector.operators[operator], results = [];
for
(
var
i = 0, node; node = nodes[i]; i++) {
var
nodeValue = Element.readAttribute(node, attr);
if
(nodeValue ===
null
)
continue
;
if
(handler(nodeValue, value)) results.push(node);
}
return
results;
},
pseudo:
function
(nodes, name, value, root, combinator) {
if
(nodes && combinator) nodes =
this
[combinator](nodes);
if
(!nodes) nodes = root.getElementsByTagName(
"*"
);
return
Selector.pseudos[name](nodes, value, root);
}
},
pseudos: {
'first-child'
:
function
(nodes, value, root) {
for
(
var
i = 0, results = [], node; node = nodes[i]; i++) {
if
(Selector.handlers.previousElementSibling(node))
continue
;
results.push(node);
}
return
results;
},
'last-child'
:
function
(nodes, value, root) {
for
(
var
i = 0, results = [], node; node = nodes[i]; i++) {
if
(Selector.handlers.nextElementSibling(node))
continue
;
results.push(node);
}
return
results;
},
'only-child'
:
function
(nodes, value, root) {
var
h = Selector.handlers;
for
(
var
i = 0, results = [], node; node = nodes[i]; i++)
if
(!h.previousElementSibling(node) && !h.nextElementSibling(node))
results.push(node);
return
results;
},
'nth-child'
:
function
(nodes, formula, root) {
return
Selector.pseudos.nth(nodes, formula, root);
},
'nth-last-child'
:
function
(nodes, formula, root) {
return
Selector.pseudos.nth(nodes, formula, root,
true
);
},
'nth-of-type'
:
function
(nodes, formula, root) {
return
Selector.pseudos.nth(nodes, formula, root,
false
,
true
);
},
'nth-last-of-type'
:
function
(nodes, formula, root) {
return
Selector.pseudos.nth(nodes, formula, root,
true
,
true
);
},
'first-of-type'
:
function
(nodes, formula, root) {
return
Selector.pseudos.nth(nodes,
"1"
, root,
false
,
true
);
},
'last-of-type'
:
function
(nodes, formula, root) {
return
Selector.pseudos.nth(nodes,
"1"
, root,
true
,
true
);
},
'only-of-type'
:
function
(nodes, formula, root) {
var
p = Selector.pseudos;
return
p[
'last-of-type'
](p[
'first-of-type'
](nodes, formula, root), formula, root);
},
getIndices:
function
(a, b, total) {
if
(a == 0)
return
b > 0 ? [b] : [];
return
$R(1, total).inject([],
function
(memo, i) {
if
(0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
return
memo;
});
},
nth:
function
(nodes, formula, root, reverse, ofType) {
if
(nodes.length == 0)
return
[];
if
(formula ==
'even'
) formula =
'2n+0'
;
if
(formula ==
'odd'
) formula =
'2n+1'
;
var
h = Selector.handlers, results = [], indexed = [], m;
h.mark(nodes);
for
(
var
i = 0, node; node = nodes[i]; i++) {
if
(!node.parentNode._countedByPrototype) {
h.index(node.parentNode, reverse, ofType);
indexed.push(node.parentNode);
}
}
if
(formula.match(/^\d+$/)) {
formula = Number(formula);
for
(
var
i = 0, node; node = nodes[i]; i++)
if
(node.nodeIndex == formula) results.push(node);
}
else
if
(m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) {
if
(m[1] ==
"-"
) m[1] = -1;
var
a = m[1] ? Number(m[1]) : 1;
var
b = m[2] ? Number(m[2]) : 0;
var
indices = Selector.pseudos.getIndices(a, b, nodes.length);
for
(
var
i = 0, node, l = indices.length; node = nodes[i]; i++) {
for
(
var
j = 0; j < l; j++)
if
(node.nodeIndex == indices[j]) results.push(node);
}
}
h.unmark(nodes);
h.unmark(indexed);
return
results;
},
'empty'
:
function
(nodes, value, root) {
for
(
var
i = 0, results = [], node; node = nodes[i]; i++) {
if
(node.tagName ==
'!'
|| node.firstChild)
continue
;
results.push(node);
}
return
results;
},
'not'
:
function
(nodes, selector, root) {
var
h = Selector.handlers, selectorType, m;
var
exclusions =
new
Selector(selector).findElements(root);
h.mark(exclusions);
for
(
var
i = 0, results = [], node; node = nodes[i]; i++)
if
(!node._countedByPrototype) results.push(node);
h.unmark(exclusions);
return
results;
},
'enabled'
:
function
(nodes, value, root) {
for
(
var
i = 0, results = [], node; node = nodes[i]; i++)
if
(!node.disabled && (!node.type || node.type !==
'hidden'
))
results.push(node);
return
results;
},
'disabled'
:
function
(nodes, value, root) {
for
(
var
i = 0, results = [], node; node = nodes[i]; i++)
if
(node.disabled) results.push(node);
return
results;
},
'checked'
:
function
(nodes, value, root) {
for
(
var
i = 0, results = [], node; node = nodes[i]; i++)
if
(node.checked) results.push(node);
return
results;
}
},
operators: {
'='
:
function
(nv, v) {
return
nv == v; },
'!='
:
function
(nv, v) {
return
nv != v; },
'^='
:
function
(nv, v) {
return
nv == v || nv && nv.startsWith(v); },
'$='
:
function
(nv, v) {
return
nv == v || nv && nv.endsWith(v); },
'*='
:
function
(nv, v) {
return
nv == v || nv && nv.include(v); },
'~='
:
function
(nv, v) {
return
(
' '
+ nv +
' '
).include(
' '
+ v +
' '
); },
'|='
:
function
(nv, v) {
return
(
'-'
+ (nv ||
""
).toUpperCase() +
'-'
).include(
'-'
+ (v ||
""
).toUpperCase() +
'-'
); }
},
split:
function
(expression) {
var
expressions = [];
expression.scan(/(([\w
#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
expressions.push(m[1].strip());
});
return
expressions;
},
matchElements:
function
(elements, expression) {
var
matches = $$(expression), h = Selector.handlers;
h.mark(matches);
for
(
var
i = 0, results = [], element; element = elements[i]; i++)
if
(element._countedByPrototype) results.push(element);
h.unmark(matches);
return
results;
},
findElement:
function
(elements, expression, index) {
if
(Object.isNumber(expression)) {
index = expression; expression =
false
;
}
return
Selector.matchElements(elements, expression ||
'*'
)[index || 0];
},
findChildElements:
function
(element, expressions) {
expressions = Selector.split(expressions.join(
','
));
var
results = [], h = Selector.handlers;
for
(
var
i = 0, l = expressions.length, selector; i < l; i++) {
selector =
new
Selector(expressions[i].strip());
h.concat(results, selector.findElements(element));
}
return
(l > 1) ? h.unique(results) : results;
}
});
if
(Prototype.Browser.IE) {
Object.extend(Selector.handlers, {
concat:
function
(a, b) {
for
(
var
i = 0, node; node = b[i]; i++)
if
(node.tagName !==
"!"
) a.push(node);
return
a;
}
});
}
function
$$() {
return
Selector.findChildElements(document, $A(arguments));
}
var
Form = {
reset:
function
(form) {
form = $(form);
form.reset();
return
form;
},
serializeElements:
function
(elements, options) {
if
(
typeof
options !=
'object'
) options = { hash: !!options };
else
if
(Object.isUndefined(options.hash)) options.hash =
true
;
var
key, value, submitted =
false
, submit = options.submit;
var
data = elements.inject({ },
function
(result, element) {
if
(!element.disabled && element.name) {
key = element.name; value = $(element).getValue();
if
(value !=
null
&& element.type !=
'file'
&& (element.type !=
'submit'
|| (!submitted &&
submit !==
false
&& (!submit || key == submit) && (submitted =
true
)))) {
if
(key
in
result) {
if
(!Object.isArray(result[key])) result[key] = [result[key]];
result[key].push(value);
}
else
result[key] = value;
}
}
return
result;
});
return
options.hash ? data : Object.toQueryString(data);
}
};
Form.Methods = {
serialize:
function
(form, options) {
return
Form.serializeElements(Form.getElements(form), options);
},
getElements:
function
(form) {
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);
form.findFirstElement().activate();
return
form;
},
request:
function
(form, options) {
form = $(form), options = Object.clone(options || { });
var
params = options.parameters, action = form.readAttribute(
'action'
) ||
''
;
if
(action.blank()) action = window.location.href;
options.parameters = form.serialize(
true
);
if
(params) {
if
(Object.isString(params)) params = params.toQueryParams();
Object.extend(options.parameters, params);
}
if
(form.hasAttribute(
'method'
) && !options.method)
options.method = form.method;
return
new
Ajax.Request(action, options);
}
};
Form.Element = {
focus:
function
(element) {
$(element).focus();
return
element;
},
select:
function
(element) {
$(element).select();
return
element;
}
};
Form.Element.Methods = {
serialize:
function
(element) {
element = $(element);
if
(!element.disabled && element.name) {
var
value = element.getValue();
if
(value != undefined) {
var
pair = { };
pair[element.name] = value;
return
Object.toQueryString(pair);
}
}
return
''
;
},
getValue:
function
(element) {
element = $(element);
var
method = element.tagName.toLowerCase();
return
Form.Element.Serializers[method](element);
},
setValue:
function
(element, value) {
element = $(element);
var
method = element.tagName.toLowerCase();
Form.Element.Serializers[method](element, value);
return
element;
},
clear:
function
(element) {
$(element).value =
''
;
return
element;
},
present:
function
(element) {
return
$(element).value !=
''
;
},
activate:
function
(element) {
element = $(element);
try
{
element.focus();
if
(element.select && (element.tagName.toLowerCase() !=
'input'
||
!(/^(?:button|reset|submit)$/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
$F = Form.Element.Methods.getValue;
Form.Element.Serializers = {
input:
function
(element, value) {
switch
(element.type.toLowerCase()) {
case
'checkbox'
:
case
'radio'
:
return
Form.Element.Serializers.inputSelector(element, value);
default
:
return
Form.Element.Serializers.textarea(element, value);
}
},
inputSelector:
function
(element, value) {
if
(Object.isUndefined(value))
return
element.checked ? element.value :
null
;
else
element.checked = !!value;
},
textarea:
function
(element, value) {
if
(Object.isUndefined(value))
return
element.value;
else
element.value = value;
},
select:
function
(element, value) {
if
(Object.isUndefined(value))
return
this
[element.type ==
'select-one'
?
'selectOne'
:
'selectMany'
](element);
else
{
var
opt, currentValue, single = !Object.isArray(value);
for
(
var
i = 0, length = element.length; i < length; i++) {
opt = element.options[i];
currentValue =
this
.optionValue(opt);
if
(single) {
if
(currentValue == value) {
opt.selected =
true
;
return
;
}
}
else
opt.selected = value.include(currentValue);
}
}
},
selectOne:
function
(element) {
var
index = element.selectedIndex;
return
index >= 0 ?
this
.optionValue(element.options[index]) :
null
;
},
selectMany:
function
(element) {
var
values, length = element.length;
if
(!length)
return
null
;
for
(
var
i = 0, values = []; i < length; i++) {
var
opt = element.options[i];
if
(opt.selected) values.push(
this
.optionValue(opt));
}
return
values;
},
optionValue:
function
(opt) {
return
Element.extend(opt).hasAttribute(
'value'
) ? opt.value : opt.text;
}
};
Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
initialize:
function
($
super
, element, frequency, callback) {
$
super
(callback, frequency);
this
.element = $(element);
this
.lastValue =
this
.getValue();
},
execute:
function
() {
var
value =
this
.getValue();
if
(Object.isString(
this
.lastValue) && Object.isString(value) ?
this
.lastValue != value : String(
this
.lastValue) != String(value)) {
this
.callback(
this
.element, value);
this
.lastValue = value;
}
}
});
Form.Element.Observer = Class.create(Abstract.TimedObserver, {
getValue:
function
() {
return
Form.Element.getValue(
this
.element);
}
});
Form.Observer = Class.create(Abstract.TimedObserver, {
getValue:
function
() {
return
Form.serialize(
this
.element);
}
});
Abstract.EventObserver = Class.create({
initialize:
function
(element, callback) {
this
.element = $(element);
this
.callback = callback;
this
.lastValue =
this
.getValue();
if
(
this
.element.tagName.toLowerCase() ==
'form'
)
this
.registerFormCallbacks();
else
this
.registerCallback(
this
.element);
},
onElementEvent:
function
() {
var
value =
this
.getValue();
if
(
this
.lastValue != value) {
this
.callback(
this
.element, value);
this
.lastValue = value;
}
},
registerFormCallbacks:
function
() {
Form.getElements(
this
.element).each(
this
.registerCallback,
this
);
},
registerCallback:
function
(element) {
if
(element.type) {
switch
(element.type.toLowerCase()) {
case
'checkbox'
:
case
'radio'
:
Event.observe(element,
'click'
,
this
.onElementEvent.bind(
this
));
break
;
default
:
Event.observe(element,
'change'
,
this
.onElementEvent.bind(
this
));
break
;
}
}
}
});
Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
getValue:
function
() {
return
Form.Element.getValue(
this
.element);
}
});
Form.EventObserver = Class.create(Abstract.EventObserver, {
getValue:
function
() {
return
Form.serialize(
this
.element);
}
});
(
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
_isButton;
if
(Prototype.Browser.IE) {
var
buttonMap = { 0: 1, 1: 4, 2: 2 };
_isButton =
function
(event, code) {
return
event.button === buttonMap[code];
};
}
else
if
(Prototype.Browser.WebKit) {
_isButton =
function
(event, code) {
switch
(code) {
case
0:
return
event.which == 1 && !event.metaKey;
case
1:
return
event.which == 1 && event.metaKey;
default
:
return
false
;
}
};
}
else
{
_isButton =
function
(event, code) {
return
event.which ? (event.which === code + 1) : (event.button === code);
};
}
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;
var
elements = [element].concat(element.ancestors());
return
Selector.findElement(elements, expression, 0);
}
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
(Prototype.Browser.IE) {
function
_relatedTarget(event) {
var
element;
switch
(event.type) {
case
'mouseover'
: element = event.fromElement;
break
;
case
'mouseout'
: element = event.toElement;
break
;
default
:
return
null
;
}
return
Element.extend(element);
}
Object.extend(methods, {
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
(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
});
return
Object.extend(event, methods);
};
}
else
{
Event.prototype = window.Event.prototype || document.createEvent(
'HTMLEvents'
).__proto__;
Object.extend(Event.prototype, methods);
Event.extend = Prototype.K;
}
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;
if
(!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
_getDOMEventName =
function
(eventName) {
var
translations = { mouseenter:
"mouseover"
, mouseleave:
"mouseout"
};
return
eventName
in
translations ? 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(
"onfilterchange"
, 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
(Object.isUndefined(registry))
return
element;
if
(eventName && !handler) {
var
responders = registry.get(eventName);
if
(Object.isUndefined(responders))
return
element;
responders.each(
function
(r) {
Element.stopObserving(element, eventName, r.handler);
});
return
element;
}
else
if
(!eventName) {
registry.each(
function
(pair) {
var
eventName = pair.key, responders = pair.value;
responders.each(
function
(r) {
Element.stopObserving(element, eventName, r.handler);
});
});
return
element;
}
var
responders = registry.get(eventName);
if
(!responders)
return
;
var
responder = responders.find(
function
(r) {
return
r.handler === handler; });
if
(!responder)
return
element;
var
actualEventName = _getDOMEventName(eventName);
if
(eventName.include(
':'
)) {
if
(element.removeEventListener)
element.removeEventListener(
"dataavailable"
, responder,
false
);
else
{
element.detachEvent(
"ondataavailable"
, responder);
element.detachEvent(
"onfilterchange"
, responder);
}
}
else
{
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'
,
true
,
true
);
}
else
{
event = document.createEventObject();
event.eventType = bubble ?
'ondataavailable'
:
'onfilterchange'
;
}
event.eventName = eventName;
event.memo = memo || { };
if
(document.createEvent)
element.dispatchEvent(event);
else
element.fireEvent(event.eventType, event);
return
Event.extend(event);
}
Object.extend(Event, Event.Methods);
Object.extend(Event, {
fire: fire,
observe: observe,
stopObserving: stopObserving
});
Element.addMethods({
fire: fire,
observe: observe,
stopObserving: stopObserving
});
Object.extend(document, {
fire: fire.methodize(),
observe: observe.methodize(),
stopObserving: stopObserving.methodize(),
loaded:
false
});
if
(window.Event) Object.extend(window.Event, Event);
else
window.Event = Event;
})();
(
function
() {
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();
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);