var intervalId = null; 
var slideAd;
var openBox;
var closeBox;
function slideAd(id,nStayTime,sState,nMaxHth,nMinHth){ 
  this.stayTime=nStayTime*1000 || 3000; 
  this.maxHeigth=nMaxHth || 90; 
  this.minHeigth=nMinHth || 1; 
  this.state=sState || "down" ; 
  var obj = document.getElementById(id); 
  if(intervalId != null)window.clearInterval(intervalId); 
  function openBox(){ 
   var h = obj.offsetHeight; 
   obj.style.height = ((this.state == "down") ? (h + 2) : (h - 2))+"px"; 
    if(obj.offsetHeight>this.maxHeigth){ 
    window.clearInterval(intervalId); 
	if(id=="MyMoveAd"){ 
    intervalId=window.setInterval(closeBox,this.stayTime); 
	}
    } 
    if (obj.offsetHeight<this.minHeigth){ 
    window.clearInterval(intervalId); 

slideAd('MyMoveAdb',2,'down',80,1); 
return;

    } 
  } 
  function closeBox(){ 
   slideAd(id,this.stayTime,"up",nMaxHth,nMinHth); 
  } 
  intervalId = window.setInterval(openBox,10); 
}