var flag=0;
function f_s2(id){
	var obj=document.getElementById(id);
	obj.style.display="block";
	obj.style.height="1px"; 
	var changeW=function(){
		var obj_h=parseInt(obj.style.height);
		if(obj_h<=60){ 
			obj.style.height=(obj_h+Math.ceil((60-obj_h)/5))+"px";
			}
		else{ 
			clearInterval(bw1);
			}
		}       
       bw1= setInterval(changeW,1);
	   if(flag>0){
		   clearInterval(bw2);
		   }
}
function closeW2(id){		
	var obj=document.getElementById(id);      
		clearInterval(bw1);           
        obj.style.display="none";
}