<!--
// Detect if browser is Netscape 3 + or IE 4 +.
bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
if ((bName == "Netscape" && bVer >= 3) || 
	(bName == "Microsoft Internet Explorer" && bVer >= 4)) br = "n3"; 
else br = "n2";

// Create image objects, preload all active and inactive images.
if (br=="n3") {   
	img1on = new Image();          
    img1on.src = "images/navbar/cerca_1.gif";     
    img2on = new Image();          
    img2on.src = "images/navbar/info_1.gif";  
    img3on = new Image();
    img3on.src = "images/navbar/down_1.gif";
    img4on = new Image();
    img4on.src = "images/navbar/mail_1.gif";
   
    img1off = new Image();          
    img1off.src = "images/navbar/cerca_0.gif";  
    img2off = new Image();          
    img2off.src = "images/navbar/info_0.gif";  
    img3off = new Image();
    img3off.src = "images/navbar/down_0.gif";
    img4off = new Image();
    img4off.src = "images/navbar/mail_0.gif";
}  

// Function to "activate" images.
function imgAct(imgName) {
	if (br=="n3") {
	document[imgName].src = eval(imgName + "on.src");
    }
}

// Function to "deactivate" images.
function imgInact(imgName) {
	if (br=="n3") {
		document[imgName].src = eval(imgName + "off.src");
	}
}
//-->