function gbs_main()
{
	//test chu li
	function gbs_encode(str)
	{
		var e = "", i = 0;
	
		for(i=0;i<str.length;i++) {
			if(str.charCodeAt(i)>=0&&str.charCodeAt(i)<=255) {
				e = e + escape(str.charAt(i));
			}
			else {
				e = e + str.charAt(i);
			}
		}
	
		return e;
	}
	//get url values
	function GetUrlParms()    
	{
		 var args=new Object();   
		 var query=location.search.substring(1);
		 var pairs=query.split("&");
		 for(var i=0;i<pairs.length;i++)
		 {   
			 var pos=pairs[i].indexOf('=');
				if(pos==-1)   continue;                            //如果没有找到就跳过   
				var argname=pairs[i].substring(0,pos); 	//提取name   
				var value=pairs[i].substring(pos+1);      //提取value
				args[argname]=unescape(value);        	 //存为属性   
		}
		 return args["adsite"];
	}
	//get page url
	var gurl = document.URL; 
	gurl = gbs_encode(String(gurl));
	
	//get page url values
	geturl = location.search.substr(1);
	
	//get lai yuan
	var gref = document.referrer; 
	gref = gbs_encode(String(gref)); 
	
	if(gref==""){
		gref = GetUrlParms();
	}
	if (gref==undefined){
		gref="";
	}
	//tong ji
	var wwwweb = location.hostname;
	var wwwport = location.port;
	if (wwwport!= null){wwwport=":"+wwwport;}
	www="http://"+wwwweb+wwwport+"/";
	redest=www+"tongji.asp?ToPort="+gurl+"&FromUrl="+gref+"&"+geturl+"&cnu="+String(Math.random());
	document.write("<img src=\""+redest+"\" border=\"0\" width=\"0\" height=\"0\" >");
}

gbs_main();