function changeFod(obj)
	{
		var p = obj.parentNode.parentNode.id;
		var plist = obj.parentNode.getElementsByTagName("p");
		var info = p+"info";
		var fodinfo = document.getElementById(info).getElementsByTagName("span");

		for(i=0;i<plist.length;i++)
		{
			if(obj == plist[i])
			{
				plist[i].className = "di";
				fodinfo[i].className = "dis";
			}
			else
			{
				plist[i].className = "";
				fodinfo[i].className = "undis";
			}
		}
	}