var Site=new Object();		Site.Cookie={				_expires:24*3600*1000,				_domain:'.gdxxb.com',				set:function(name,value,expires,path,domain){					expires=new Date(new Date().getTime()+(expires?expires:this._expires));					document.cookie=name+"="+escape(value)+";expires="+expires.toGMTString()+";path="+(path?path:"/")+";domain="+(domain?domain:this._domain);				},				get:function(name){					var arr=document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));					if(arr!=null) return unescape(arr[2]);					return null;				},				clear:function(name,path,domain){					if(this.get(name)) document.cookie=name+"=; path="+(path?path:"/")+"; domain="+(domain?domain:this._domain)+"; expires=Fri, 02-Jan-1970 00:00:00 GMT";				}		};				var i = 0,			tempi = Site.Cookie.get("random_");		if(tempi){				i = tempi == 1 ? 2 : 1; //三元操作符（在 1 求值为 TRUE 时的值为 2，在 expr1 求值为 FALSE 时的值为 1。）				Site.Cookie.set("random_",i);		}else{				i = Math.round(Math.random()*1)+1, //随机出现1-2				Site.Cookie.set("random_",i);						}				var str = document.location.href,			index = str.indexOf("?"),			temp = "",			html= "";									if(index != -1){				temp = str.substring(index);							}			html='';		document.getElementById("iframebox").innerHTML=html;