/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.8.0r4
*/
(function(){var l=YAHOO.lang,isFunction=l.isFunction,isObject=l.isObject,isArray=l.isArray,_toStr=Object.prototype.toString,Native=(YAHOO.env.ua.caja?window:this).JSON,_UNICODE_EXCEPTIONS=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,_ESCAPES=/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,_VALUES=/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,_BRACKETS=/(?:^|:|,)(?:\s*\[)+/g,_UNSAFE=/^[\],:{}\s]*$/,_SPECIAL_CHARS=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,_CHARS={"\b":"\\b","\t":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},UNDEFINED="undefined",OBJECT="object",NULL="null",STRING="string",NUMBER="number",BOOLEAN="boolean",DATE="date",_allowable={"undefined":UNDEFINED,"string":STRING,"[object String]":STRING,"number":NUMBER,"[object Number]":NUMBER,"boolean":BOOLEAN,"[object Boolean]":BOOLEAN,"[object Date]":DATE,"[object RegExp]":OBJECT},EMPTY="",OPEN_O="{",CLOSE_O="}",OPEN_A="[",CLOSE_A="]",COMMA=",",COMMA_CR=",\n",CR="\n",COLON=":",COLON_SP=": ",QUOTE='"';Native=_toStr.call(Native)==="[object JSON]"&&Native;function _char(c){if(!_CHARS[c]){_CHARS[c]="\\u"+("0000"+(+(c.charCodeAt(0))).toString(16)).slice(-4);}return _CHARS[c];}function _revive(data,reviver){var walk=function(o,key){var k,v,value=o[key];if(value&&typeof value==="object"){for(k in value){if(l.hasOwnProperty(value,k)){v=walk(value,k);if(v===undefined){delete value[k];}else{value[k]=v;}}}}return reviver.call(o,key,value);};return typeof reviver==="function"?walk({"":data},""):data;}function _prepare(s){return s.replace(_UNICODE_EXCEPTIONS,_char);}function _isSafe(str){return l.isString(str)&&_UNSAFE.test(str.replace(_ESCAPES,"@").replace(_VALUES,"]").replace(_BRACKETS,""));}function _parse(s,reviver){s=_prepare(s);if(_isSafe(s)){return _revive(eval("("+s+")"),reviver);}throw new SyntaxError("JSON.parse");}function _type(o){var t=typeof o;return _allowable[t]||_allowable[_toStr.call(o)]||(t===OBJECT?(o?OBJECT:NULL):UNDEFINED);}function _string(s){return QUOTE+s.replace(_SPECIAL_CHARS,_char)+QUOTE;}function _indent(s,space){return s.replace(/^/gm,space);}function _stringify(o,w,space){if(o===undefined){return undefined;}var replacer=isFunction(w)?w:null,format=_toStr.call(space).match(/String|Number/)||[],_date=YAHOO.lang.JSON.dateToString,stack=[],tmp,i,len;if(replacer||!isArray(w)){w=undefined;}if(w){tmp={};for(i=0,len=w.length;i<len;++i){tmp[w[i]]=true;}w=tmp;}space=format[0]==="Number"?new Array(Math.min(Math.max(0,space),10)+1).join(" "):(space||EMPTY).slice(0,10);function _serialize(h,key){var value=h[key],t=_type(value),a=[],colon=space?COLON_SP:COLON,arr,i,keys,k,v;if(isObject(value)&&isFunction(value.toJSON)){value=value.toJSON(key);}else{if(t===DATE){value=_date(value);}}if(isFunction(replacer)){value=replacer.call(h,key,value);}if(value!==h[key]){t=_type(value);}switch(t){case DATE:case OBJECT:break;case STRING:return _string(value);case NUMBER:return isFinite(value)?value+EMPTY:NULL;case BOOLEAN:return value+EMPTY;case NULL:return NULL;default:return undefined;}for(i=stack.length-1;i>=0;--i){if(stack[i]===value){throw new Error("JSON.stringify. Cyclical reference");}}arr=isArray(value);stack.push(value);if(arr){for(i=value.length-1;i>=0;--i){a[i]=_serialize(value,i)||NULL;}}else{keys=w||value;i=0;for(k in keys){if(keys.hasOwnProperty(k)){v=_serialize(value,k);if(v){a[i++]=_string(k)+colon+v;}}}}stack.pop();if(space&&a.length){return arr?OPEN_A+CR+_indent(a.join(COMMA_CR),space)+CR+CLOSE_A:OPEN_O+CR+_indent(a.join(COMMA_CR),space)+CR+CLOSE_O;}else{return arr?OPEN_A+a.join(COMMA)+CLOSE_A:OPEN_O+a.join(COMMA)+CLOSE_O;}}return _serialize({"":o},"");}YAHOO.lang.JSON={useNativeParse:!!Native,useNativeStringify:!!Native,isSafe:function(s){return _isSafe(_prepare(s));},parse:function(s,reviver){return Native&&YAHOO.lang.JSON.useNativeParse?Native.parse(s,reviver):_parse(s,reviver);},stringify:function(o,w,space){return Native&&YAHOO.lang.JSON.useNativeStringify?Native.stringify(o,w,space):_stringify(o,w,space);},dateToString:function(d){function _zeroPad(v){return v<10?"0"+v:v;}return d.getUTCFullYear()+"-"+_zeroPad(d.getUTCMonth()+1)+"-"+_zeroPad(d.getUTCDate())+"T"+_zeroPad(d.getUTCHours())+COLON+_zeroPad(d.getUTCMinutes())+COLON+_zeroPad(d.getUTCSeconds())+"Z";},stringToDate:function(str){var m=str.match(/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})(?:\.(\d{3}))?Z$/);if(m){var d=new Date();d.setUTCFullYear(m[1],m[2]-1,m[3]);d.setUTCHours(m[4],m[5],m[6],(m[7]||0));return d;}return str;}};YAHOO.lang.JSON.isValid=YAHOO.lang.JSON.isSafe;})();YAHOO.register("json",YAHOO.lang.JSON,{version:"2.8.0r4",build:"2446"});