// JavaScript Document

function getID(obj){return document.getElementById(obj)}
var t=500;
var height=0;
var gt=300;
var gheight=478;
function showads() //展开头部广告
{
	if(t>0)
	{
		t--;
		height=height+5;
	}
	else
		return;
	if (height>478)
		return;
	getID("topgg").style.display = "block";
	getID("topgg").style.height = height + "px";
	setTimeout("showads()",30);
}
function noneads()
{
	if (gt>0)
	{
		gt--;
		gheight=gheight-5;
	}
	else
		return;
	if (gheight<0)
	{
		/*getID("topgg").style.height = "60px";
		getID("topgg").innerHTML = "<img src='index3.files/top.jpg' height='60' width='960' border='0'>";*/
		return;
	}
	getID("topgg").style.height = gheight + "px";
	setTimeout("noneads()",30);
}