function setTab(name,cursel,n, callback)
{ 
	for(i=1;i<=n;i++){
		 var menu=document.getElementById(name+i);
		 var con=document.getElementById("con_"+name+"_"+i);
		 menu.className=i==cursel?"active":"";
		 con.style.display=i==cursel?"block":"none";
	} 
	callback(cursel);

}