function getNames(obj,name,tij)
	{	
		var p = document.getElementById(obj);
		var plist = p.getElementsByTagName(tij);
		var rlist = new Array();
		for(i=0;i<plist.length;i++)
		{
			if(plist[i].getAttribute("name") == name)
			{
				rlist[rlist.length] = plist[i];
			}
		}
		return rlist;
	}

		function fod(obj,name,fnum)
		{
			//alert("#3");
			var p = obj.parentNode.getElementsByTagName("span");
			var p2= document.getElementById("f"+fnum);
			document.getElementById("f1").className="Nav3";
			document.getElementById("f2").className="Nav1";
			document.getElementById("f3").className="Nav1";
			//alert(p2.className);
			if(fnum==1)
				p2.className="Nav6";
			else if(fnum==2)
				p2.className="Nav4";
			else if(fnum==3)
				p2.className="Nav4";
			//alert(p2.className);

			

			var p1 = getNames(name,"f","div"); // 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";
				}
			}
		}