function fod(obj,name)
		{
			var p = obj.parentNode.getElementsByTagName("li");
			var p1 = document.getElementById(name).getElementsByTagName("div");
			for(i=0;i<p1.length;i++)
			{
				if(obj==p[i])
				{
					p[i].className = "s";
					p1[i].className = "dis";
				}
				else
				{
					p[i].className = "";
					p1[i].className = "undis";
				}
			}
		}