window.onerror=null;
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
	if(browserName=="Netscape" && browserVer >= 3) ver = "yes";
	else ver = "yes";
	if(ver == "yes") {
	nome1 = new Image(); nome1.src ="link_3a.gif";
	nome2 = new Image(); nome2.src ="link_3b.gif";
	}

	function sel(imgname)
	{
		document.images[imgname].src="img/menu/"+imgname+"_on.gif"
	}
	


function desel(imgname)
	{
		document.images[imgname].src="img/menu/"+imgname+".gif"
	}