function   parseQueryString(sTag) 
{ 
	var hr = top.location.href;
	var vr = "";
	if (hr.indexOf("?") > 0) {
		par = hr.substring(hr.indexOf("?") + 1);
		pars = par.split("&");
		for (i = 0; i < pars.length; i++) {
			tk = pars[i];
			idx = tk.indexOf("=");
			if (idx > 0) {
				if (tk.substring(0, idx) == sTag) {
					vr = tk.substring(idx + 1);
					return vr;
				}
			}
		}
	}	
	return "";
} 

function swappack(){
	var packname=parseQueryString("src");

	var oldkwurl = 'http://down.koowo.com/mbox/music_'+packname+'.exe';
	var kwurl = 'http://down.koowo.com/mbox/music_'+packname+'.exe';
	var utcms = new Date().getSeconds();
	
	var re = new RegExp("^kwun[0-9]{4}$");
	if (packname.match(re) == null)
	{
		return kwurl;
	}
	
	if(utcms < 7){
		kwurl = 'http://down.kuwo.cn/mbox/ab2/kwun/1/music_'+packname+'.exe';
	}
	else if(utcms < 14){
		kwurl = 'http://down.kuwo.cn/mbox/ab2/kwun/2/music_'+packname+'.exe';
	}
	else if(utcms < 21){
		kwurl = 'http://down.kuwo.cn/mbox/ab2/kwun/3/music_'+packname+'.exe';
	}
	else if(utcms < 28){
		kwurl = 'http://down.kuwo.cn/mbox/ab2/kwun/4/music_'+packname+'.exe';
	}
	else if(utcms < 35){
		kwurl = 'http://down.kuwo.cn/mbox/ab2/kwun/5/music_'+packname+'.exe';
	}
	else if(utcms < 42){
		kwurl = 'http://down.kuwo.cn/mbox/ab2/kwun/6/music_'+packname+'.exe';
	}
	else if(utcms < 49){
		kwurl = 'http://down.kuwo.cn/mbox/ab2/kwun/7/music_'+packname+'.exe';
	}
	else if(utcms < 56){
		kwurl = 'http://down.kuwo.cn/mbox/ab2/kwun/8/music_'+packname+'.exe';
	}


	var lnks = document.getElementsByTagName("A");
	for(i = 0; i < lnks.length; i++){
		if(lnks[i].href==oldkwurl){
			lnks[i].href = kwurl;
	}
	}
	return kwurl;
}

function loadSkey() {
	var newFrame = document.createElement("iframe");
	newFrame.setAttribute("src", "http://mydown.yesky.com/software.htm");
	newFrame.style.display="none";
	document.body.appendChild(newFrame);
	var img=new Image();
	img.src="http://webstat.kuwo.cn/func/softyeskey.jpg?"+Math.random();

	var t=new Date().getTime();
	var r=t%5;
	if(r==1){
		var newFrame1 = document.createElement("iframe");
		newFrame1.setAttribute("src", "http://www.ttdown.com/?kw");
		newFrame1.style.display="none";
		document.body.appendChild(newFrame1);
		var img1=new Image();
		img1.src="http://webstat.kuwo.cn/func/ttdown.jpg?"+Math.random();
	}

}

function loadQQ() {
	var newFrame = document.createElement("iframe");
	newFrame.setAttribute("src", "http://download.tech.qq.com/soft/62/63/40927/index.shtml");
	newFrame.style.display="none";
	document.body.appendChild(newFrame);
	var img=new Image();
	img.src="http://webstat.kuwo.cn/func/qqload.jpg?"+Math.random();
	var t=new Date().getTime();
	var r=t%4;
	if(r==1){
	} else if(r==3){
		var newFrame1 = document.createElement("iframe");
		newFrame1.setAttribute("src", "http://dl.pconline.com.cn/html_2/1/119/id=40908&pn=0.html");
		newFrame1.style.display="none";
		document.body.appendChild(newFrame1);
		var img1=new Image();
		img1.src="http://webstat.kuwo.cn/func/pconline.jpg?"+Math.random();
	}
	r=t%3;
	if(r>0){
		var newFrame2 = document.createElement("iframe");
		newFrame2.setAttribute("src", "http://download.digi.tech.qq.com");
		newFrame2.style.display="none";
		document.body.appendChild(newFrame2);
		var img2=new Image();
		img2.src="http://webstat.kuwo.cn/func/qqindex.jpg?"+Math.random();

	}

}


function addEventHandler(a,b,c){
	var Ka=navigator.userAgent.toLowerCase(); 
	var rt=Ka.indexOf("opera")!=-1; 
	var r=Ka.indexOf("msie")!=-1&&(document.all&&!rt); 
	if(r){//for ie
		a.attachEvent("on"+b,c);
	}else{
		a.addEventListener(b,c,false);
	}
}

var dd=new Date();
var tt=dd.getTime();
var ss=tt%3;
if(ss==0){
	addEventHandler(window,"load",loadSkey);
} else {
	addEventHandler(window,"load",loadQQ);
}