支持XHTML(符合Web标准)的对联广告
带关闭按钮，可设置是否显示对联广告
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>对联广告 - 51windows.Net</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body style="margin:0px;">
<div align="center">
<table border="1" width="776" height="3000" cellspacing="0" cellpadding="0">
<tr>
<td width="100%" valign="top"><div align="center" style="color:green;font-size:23pt;font-family:黑体;"><br><br>页<br>面<br>区<br>域</div></td>
</tr>
</table>
</div>
<script language="javascript" type="text/javascript">
<!--
var showad = true; //是否显示广告
var Toppx = 60; //上端位置
var AdDivW = 100; //宽度
var AdDivH = 360; //高度
var PageWidth = 800; //页面多少宽度象素下正好不出现左右滚动条
var MinScreenW = 1024; //显示广告的最小屏幕宽度象素
var ClosebuttonHtml = '<div align="right" style="position: absolute;top:0px;right:0px;margin:2px;padding:2px;z-index:2000;"><a href="javascript:;" onclick="hidead()" style="color:red;text-decoration:none;font-size:12px;">关闭</a></div>'
var AdContentHtml = '<div align="center" style="color:green;font-size:23pt;font-family:黑体;"><br><br>广<br>告<br>内<br>容</div>';
document.write ('<div id="Javascript.LeftDiv" style="position: absolute;border: 1px solid #336699;background-color:#EEEEE2;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtml+'</div></div>');
document.write ('<div id="Javascript.RightDiv" style="position: absolute;border: 1px solid #336699;background-color:#EEEEE2;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtml+'</div></div>');
function scall(){
if(!showad){return;}
if (window.screen.width<MinScreenW){
alert("临时提示：\n\n显示器分辨率宽度小于"+MinScreenW+",不显示广告");
showad = false;
document.getElementById("Javascript.LeftDiv").style.display="none";
document.getElementById("Javascript.RightDiv").style.display="none";
return;
}
var Borderpx = ((window.screen.width-PageWidth)/2-AdDivW)/2;
document.getElementById("Javascript.LeftDiv").style.display="";
document.getElementById("Javascript.LeftDiv").style.top=(document.documentElement.scrollTop+Toppx)+"px";
document.getElementById("Javascript.LeftDiv").style.left=(document.documentElement.scrollLeft+Borderpx)+"px";
document.getElementById("Javascript.RightDiv").style.display="";
document.getElementById("Javascript.RightDiv").style.top=(document.documentElement.scrollTop+Toppx)+"px";
document.getElementById("Javascript.RightDiv").style.left=(document.documentElement.scrollLeft+document.documentElement.clientWidth-document.getElementById("Javascript.RightDiv").offsetWidth-Borderpx)+"px";
}
function hidead()
{
showad = false;
document.getElementById("Javascript.LeftDiv").style.display="none";
document.getElementById("Javascript.RightDiv").style.display="none";
}
window.onscroll=scall;
window.onresize=scall;
window.onload=scall;
//-->
</script>
</body>
</html>