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)+10;
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";
document.getElementById("rightDiv").style.top = parseInt(document.getElementById("rightDiv").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);
//-->

//显示样式
document.writeln("<style type=\"text\/css\">");
document.writeln("#rightDiv{width:100px;height:100px;position:absolute;}");
document.writeln(".itemFloat{width:100px;height:auto;line-height:5px}");
document.writeln("<\/style>");

document.writeln("<div id=\"rightDiv\" style=\"top:40px;right:10px\">");
//---R2
document.writeln("<div id=\"right2\" class=\"itemFloat\">");
document.writeln("<iframe src='guanggao.htm' width='100' height='345' frameborder='0'></iframe>");
document.writeln("<br><a href=\'javascript:close_right2();\' title=\'关闭上面的广告\' style='color:#000000;height:10px;'><img src='images/guan.jpg' border='0'><\/a>");
document.writeln("<\/div>");
//------右侧各块结束
document.writeln("<\/div>");

function close_right2(){
    right2.style.visibility='hidden';
}