javascript获取get参数

/**
* @author mengdejun
* @file JBase.js
* @email:[e-mail] 您浏览的文章来自 小孟在线
* @date:20100730
*/
var MDJ={};
MDJ.JS={};
MDJ.JS.Url=
{
queryString:location.search.substring(1),
query:new Array(),
_init:function()
{
   var arrays=this.queryString.split('&');
   for(var i=0;i<arrays.length;i++)
   {
    var index=arrays[i].indexOf('=');
    var key=arrays[i].substring(0,index);
    var value=arrays[i].substring(index+1);
    this.query[key]=value;
   }
},
init:function(){this._init();},
get:function(key){this._init();return this.query[key];}
};

MDJ.JS.Console=
{
println:function(s){document.write(s);},
debug:function(s){window.alert(s);}
}