全屏广告代码

<!--头部广告开始-->
<div name="FlatLayer" id="FlatLayer" style="display:none;" align="center"><table width="100%"  border="0" cellpadding="0" cellspacing="0" align="center">
  <tr>
    <td align="center"><img src="http://www.lanrentuku.com/images/uppic/200712181040290.jpg" border="0" width="760" height="301"></td>
  </tr>
</table></div>
<!--头部广告结束-->
<script language="javascript">
function ShowLayer()
{
 document.all.FlatLayer.style.display="block";
}
function CloseLayer()
{
 document.all.FlatLayer.style.display="none";
}
ShowLayer();
setTimeout("CloseLayer()",5000);//这里是广告显示的时间
</script>
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