function addEvent(_obj,fun,eventName){
	if(_obj.addEventListener) _obj.addEventListener(eventName,fun,false);
	else _obj.attachEvent("on"+eventName,fun);
}
var init=function(){
	var div=document.createElement("div");
	var reval="";
	reval+="<div id=\"qq_2\" style=\"position:absolute;top:200px; left:892px;\">";
	reval+="  <div style=\"width:108px; height:186px; background-image:url(img2/online.gif); background-repeat:no-repeat;\">";
	reval+="	   <div style=\"padding-top:60px; margin-left:12px;\">";
	reval+="     <img src=\"img2/qq.gif\" align=\"absmiddle\" />";
	reval+="     <a style=\"color:#06C; font-size:12px;\" href=\"tencent://message/?uin=385309125\">ÒµÎñ×Éѯ</a>";
	reval+="    </div>";
	reval+="	   <div style=\"padding-top:6px; margin-left:12px;\">";
	reval+="     <img src=\"img2/qq.gif\" align=\"absmiddle\" />";
	reval+="     <a style=\"color:#06C; font-size:12px;\" href=\"tencent://message/?uin=385297162\">ÒµÎñ×Éѯ</a>";
	reval+="    </div>";
	reval+="  </div>";
	reval+="</div>";
	div.innerHTML=reval;
	document.body.appendChild(div);
	window.setInterval("heartBeat()",50);
}
function heartBeat(){
	var info_w=780;
	var float_w=108;
	var diffY;
	var qq_2=document.getElementById("qq_2");
	var top=qq_2.style.top;
	var lt=(document.body.clientWidth-info_w)/2-float_w;
	var rt=(document.body.clientWidth-info_w)/2+info_w;
	if(lt<0) lt=0;
	if(rt<info_w) rt=info_w;
	if (document.documentElement && document.documentElement.scrollTop)
	  diffY = document.documentElement.scrollTop;
	else if (document.body)
	  diffY = document.body.scrollTop
	else{/*Netscape stuff*/}
	percent=.1*(diffY-lastScrollY); 
	if(percent>0) percent=Math.ceil(percent); 
	else percent=Math.floor(percent); 
	qq_2.style.top=parseInt(top)+percent+"px";
	lastScrollY=lastScrollY+percent; 
	qq_2.style.left=parseInt(rt)+"px";
}

var lastScrollY=0;
addEvent(window,init,"load");