lastScrollY = 0;
function heartBeat(){
var diffY;
if (document.documentElement && document.documentElement.scrollTop)
diffY = document.documentElement.scrollTop;
else if (document.body)
diffY = document.body.scrollTop
else
{/*Netscape stuff*/}
//alert(diffY);
percent=.1*(diffY-lastScrollY);
if(percent>0)percent=Math.ceil(percent);
else percent=Math.floor(percent);
document.getElementById("leftDiv").style.top = parseInt(document.getElementById("leftDiv").style.top)+percent+"px";
lastScrollY=lastScrollY+percent;
//alert(lastScrollY);
}
//下面这段删除后，对联将不跟随屏幕而移动。
window.setInterval("heartBeat()",1);
//-->
//关闭按钮
function close_left(){
    document.getElementById("left_ad").style.display='none';
}
//显示样式
document.writeln("<style type=\"text\/css\">");
document.writeln("#leftDiv,#rightDiv{width:129px;height:109px;position:absolute;}");
document.writeln(".itemFloat{width:129px;height:109px;}");
document.writeln("<\/style>");
document.writeln("<div id=\"leftDiv\" style=\"top:130px;right:40px\">");
document.writeln("<div id=\"left_ad\" class=\"itemFloat\">");
document.writeln("<div id='flowbg'><a href='http://www.roewe.com.cn/service/hesui/?from=http://www.roewe.com.cn/roewe550/configure/hesui/'><img src=http://www.roewe.com.cn/resource/images/roewe550/expo/expo_r.gif width=129 height=109 border=0></a></div>");
document.writeln("<\/div>");
document.writeln("<\/div>");