以下是代码片段：
<!doctype html public "-//w3c//dtd html 4.01 transitional//en">
<html>
<head>
<title>对联广告 - citk.net</title>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
</head>
<body style="margin:0px;">
<div align="center">
<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>
</center>
</div>
<script language="javascript">
<!--
var showad = true;
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.body.scrolltop+toppx;
document.getelementbyid("javascript.leftdiv").style.left=document.body.scrollleft+borderpx;
document.getelementbyid("javascript.rightdiv").style.display="";
document.getelementbyid("javascript.rightdiv").style.top=document.body.scrolltop+toppx;
document.getelementbyid("javascript.rightdiv").style.left=document.body.scrollleft+document.body.clientwidth-document.getelementbyid("javascript.rightdiv").offsetwidth-borderpx;
}
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> |
