var time = 300; 
var h = 0; 
function addCount() 
{ 
    if(time>0) 
    { 
        time--; 
        h = h+5; 
    } 
    else 
    { 
        return; 
    } 
    if(h>266)  //高度 
    { 
        return; 
    } 
    document.getElementById("xiaoyixue").style.display = ""; 
    document.getElementById("xiaoyixue").style.height = h+"px"; 
    setTimeout("addCount()",30); 
} 
window.onload = function() 
{ 
    addCount(); 
    setTimeout("noneAds()",7000); //停留时间自己调了
	var SDmodel = new scrollDoor();
	SDmodel.sd(["m01","m02","m03","m04","m05"],["c01","c02","c03","c04","c05"],"shiyan_huandong","shiyan_huandongx");
	SDmodel.sd(["mm01","mm02","mm03","mm04"],["cc01","cc02","cc03","cc04"],"mback","mbackx");
    SDmodel.sd(["mk01","mk02","mk03","mk04","mk05","mk06"],["ck01","ck02","ck03","ck04","ck05","ck06"],"mback3a","mbackx4a");
	SDmodel.sd(["m06","m07","m08","m09","m10","m11","m12","m13","m14","m15","m16"],["c06","c07","c08","c09","c10","c11","c12","c13","c14","c15","c16"],"mback1a","mbackx2a");
	

} 


	
var T = 300; 
var N = 266; //高度 
function noneAds() 
{ 
    if(T>0) 
    { 
        T--; 
        N = N-5; 
    } 
    else 
    { 
        return; 
    } 
    if(N<0) 
    { 
        document.getElementById("xiaoyixue").style.display = "none"; 
        return; 
    } 
    document.getElementById("xiaoyixue").style.height = N+"px"; 
    setTimeout("noneAds()",30); 
}