//网页头部伸缩广告
var GuangSSH=0;//动态高度,
function GuangShensuoOff()
{
	if(document.getElementById("GuangShensuoImg").src!=GuangSSOpenImg)
	{document.getElementById("GuangShensuoImg").src=GuangSSOpenImg;}
	document.getElementById("GuangShensuo").style.display="block";
	GuangSSH=GuangSSH+5;
	if(GuangSSH<GuangSSOpenH)
	{
		window.setTimeout("GuangShensuoOff()",50);
	}
	else
	{
		GuangSSH=GuangSSOpenH;
		window.setTimeout("GuangShensuoOn()",GuangSSOpenTime);
	}
	document.getElementById("GuangShensuo").style.height=GuangSSH+"px";
}
function GuangShensuoOn()
{
	
	GuangSSH=GuangSSH-5;
	if(GuangSSH>GuangSSCloseH)
	{
		window.setTimeout("GuangShensuoOn()",50);
	}
	else
	{
		GuangSSH=GuangSSCloseH;
		document.getElementById("GuangShensuoImg").src=GuangSSCloseImg;
		//document.getElementById("GuangShensuo").style.display="none";
	}
	document.getElementById("GuangShensuo").style.height=GuangSSH+"px";
}