//顶部大幅弹出收缩广告
var time = 300;
var h = 0;
function addCount(){
if(time>0){
	time--;
	h = h+10;
}else{
	return;
}
if(h>242)  //高度
{
	return;
}
document.getElementById("ads").style.display = "";
document.getElementById("ads").style.height = h+"px";
setTimeout("addCount()",30); 
}    
window.onload =function showAds(){
	addCount();
	setTimeout("noneAds()",10000); //停留时间自己适当调整
}
var T = 243;
var N = 243; //高度
function noneAds(){
if(T>0){
	T--;
	N = N-10;
}else{
	return;
}
if(N<0){
	document.getElementById("ads").style.display = "none";
	return;
}
document.getElementById("ads").style.height = N+"px";
setTimeout("noneAds()",30); 
}