function fodx(n)
		  {
		   	var x = document.getElementById("gdfd").getElementsByTagName("div");
			var x1 = document.getElementById("gdlist").getElementsByTagName("ul");
			var xk = x.length;
			for(k=0;k<xk;k++)
			{
				if(k == n)
				{
					x[k].className = "fd1";
					x1[k].className = "dis";
				}
				else
				{
					x[k].className = "fd2";
					x1[k].className = "undis";				
				}
			}
		  }