//符合web标准且可关闭的多幅对联广告
<!--
//var s_width = window.screen.width;
//var l_lift = document.body.offsetWidth;
//var w = s_width - (958 + (s_width - 958)/2) -10 ;

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*/}
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;
}
//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';
	right1.style.visibility='hidden';
}
function close_left2(){	
    left2.style.visibility='hidden';
}
function close_right1(){
    right1.style.visibility='hidden';
	left1.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:100px;height:100px;background-color:##333333;position:absolute;}");
document.writeln(".itemFloat{width:100px;height:auto;line-height:5px;background-color:##333333;}");
document.writeln("<\/style>");
//以下为主要内容 
//------左侧各块开始
//---L1
//document.writeln("<div id=\"leftDiv\" style=\"top:40px;left:40px;\">");

//document.writeln("<div id=\"left1\" class=\"itemFloat\">");
//document.writeln("<a target=_blank href=http://www.jjl.cn/edu/zhuanjiedu/20090504-canzan/1.shtml><img border=0 src=http://www.jjl.cn/edu/images/duilian_canzan.gif></a>");
//document.writeln("<br><a href=\"javascript:close_left1();\" title=\"关闭上面的广告\">× 关闭<\/a><br><br><br><br>");
//document.writeln("<\/div>");

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

//------右侧各块开始
//---R1
document.writeln("<div id=\"rightDiv\" style=\"top:300px;right:20px\">");

document.writeln("<div id=\"right1\" class=\"itemFloat\">");
document.writeln("<a target=_blank href=http://www.jjl.cn/pandian/><img border=0 src=http://www.jjl.cn/images/pandian.gif /></a>");
document.writeln("<a href=\"javascript:close_right1();\" title=\"关闭\"><img border=0 src=http://www.jjl.cn/images/close_ad.gif /><\/a>");
document.writeln("<\/div>");

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