function foda(obj)
		  {
			var pa = obj.parentNode.parentNode.parentNode.parentNode;
			var pa1 = obj.parentNode.getElementsByTagName("div");
			var ta = pa.getElementsByTagName("tr")[1].getElementsByTagName("ul");
			var na = pa1.length;
			for(i=1;i<na;i++)
			{
				if(pa1[i] == obj)
				{
					pa1[i].className = "sa";
					ta[i].className = "dis";
				}
				else
				{
					pa1[i].className = "carda";
					ta[i].className = "undis";				
				}
			}
		  }