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";
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);
//-->
//关闭按钮
function close_left1(){
    left1.style.visibility='hidden';
}
function close_left2(){
    left2.style.visibility='hidden';
}
function close_right1(){
    right1.style.visibility='hidden';
}
function close_right2(){
    right2.style.visibility='hidden';
}


//显示样式
document.writeln("<style type=\"text\/css\">");
document.writeln("#leftDiv,#rightDiv{width:80px;height:149px;position:absolute;}");
document.writeln(".itemFloat{width:110px;height:auto;line-height:5px}");
document.writeln("<\/style>");
//以下为主要内容
document.writeln("<div id=\"leftDiv\" style=\"top:150px;left:5px;height:0;\">");

document.writeln("<div id=\"left2\" class=\"itemFloat\">");
document.writeln("<a href=\"javascript:close_left2();\" title=\"关闭上面的广告\"  style=\"font-size:24px; font-weight:bold; margin-left:70px;\" id=\"closeDiv\">×<\/a><br>");
document.writeln("<a target=_blank href=\"http://www.usteel.com/plus/view-83798-1.html\"><img border=0 src=http://www.ukingstar.com/images/index-sign.png></a><br />");
document.writeln("<\/div>");

//------左侧各块结束
document.writeln("<\/div>");


document.writeln("<div id=\"rightDiv\" style=\"top:150px;right:5px; height:0;\">");
document.writeln("<div id=\"right2\" class=\"itemFloat\">");
//------右侧各块结束
document.writeln("<a href=\"javascript:close_right2();\" title=\"关闭上面的广告\"  style=\"font-size:24px; font-weight:bold; margin-left:70px;\">×<\/a><br>");
document.writeln("<a target=_blank href=\"http://www.usteel.com/zt/20110719/gftqy.html\"><img border=0 src=http://www.usteel.com/templets/images/sy-left-ad.jpg></a><br />");
//------右侧各块结束
document.writeln("<\/div>");
document.writeln("<\/div>");