爱华网<SCRIPTlanguage="JavaScript">
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{}
//alert(diffY);
percent=.1*(diffY-lastScrollY);
if(percent>0)percent=Math.ceil(percent);
elsepercent=Math.floor(percent);
document.getElementByIdx_x_x_x_x("leftDiv").style.top=parseInt(document.getElementByIdx_x_x_x_x("leftDiv").style.top)+percent+"px";
document.getElementByIdx_x_x_x_x("rightDiv").style.top=parseInt(document.getElementByIdx_x_x_x_x("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("<styletype="text/css">");
document.writeln("#leftDiv,#rightDiv{width:100px;height:100px;background-color:#fff;position:absolute;}");
document.writeln(".itemFloat{width:100px;height:auto;line-height:5px}");
document.writeln("</style>");
//以下为主要内容
document.writeln("<divid="leftDiv" style="top:40px;left:5px">");
//------左侧各块开始
//---L1
//document.writeln("<divid="left1" class="itemFloat">");
//document.writeln("<embedsrc=flash/100x300-left.swf width=100height=300></embed>");
//document.writeln("<br><ahref="javascript:close_left1();"title="关闭上面的广告">×</a><br><br><br><br>");
//document.writeln("</div>");
//---L2
document.writeln("<divid="left2" class="itemFloat">");
document.writeln("<a target=_blankhref=http://www.niutuku.com/><imgborder=0src=images/100x100-left.gif></a>");
document.writeln("<br><ahref="javascript:close_left2();"title="关闭上面的广告">×</a>");
document.writeln("</div>");
//------左侧各块结束
document.writeln("</div>");
document.writeln("<divid="rightDiv"style="top:40px;right:5px">");
//------右侧各块开始
//---R1
//document.writeln("<divid="right1" class="itemFloat">");
//document.writeln("<embedsrc=flash/100x300-right.swf width=100height=300></embed>");
//docu ment.writeln("<br><ahref="javascript:close_right1();"title="关闭上面的广告">×</a><br><br><br><br>");
//document.writeln("</div>");
//---R2
document.writeln("<divid="right2" class="itemFloat">");
document.writeln("<a target=_blankhref=http://www.niutuku.com/><imgborder=0src=images/100x100-right.gif></a>");
document.writeln("<br><ahref="javascript:close_right2();"title="关闭上面的广告">×</a>");
document.writeln("</div>");
//------右侧各块结束
document.writeln("</div>");
</SCRIPT>
根据需要可调整为，左侧或右侧同时关闭，左右同时关闭。
注意：显示器分辨率低或页面宽的影响会出现关闭广告后广告位依然遮挡内容的情况，需要将leftDiv和rightDiv层关闭。
