<!-- Beginning of JavaScript -

browser = (((navigator.appName == "navigator") &&

(parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName ==

"Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))

        if (browser) {
        
		preoff = new Image();
		preoff.src = "clicca.gif";
		preon = new Image();
		preon.src = "presidente.jpg";
			
		viceoff = new Image();
		viceoff.src = "clicca.gif";
		viceon = new Image();
		viceon.src = "vice.jpg";
		
		glossaoff = new Image();
		glossaoff.src = "tasti/glossaoff.gif";
		glossaon = new Image();
		glossaon.src = "tasti/glossaon.gif";
        
		linkoff = new Image();
		linkoff.src = "tasti/linkoff.gif";
		linkon = new Image();
		linkon.src = "tasti/linkon.gif";
		
		normaoff = new Image();
		normaoff.src = "tasti/normaoff.gif";
		normaon = new Image();
		normaon.src = "tasti/normaon.gif";

		prodoff = new Image();
		prodoff.src = "tasti/prodoff.gif";
		prodon = new Image();
		prodon.src = "tasti/prodon.gif";

		scenoff = new Image();
		scenoff.src = "tasti/scenoff.gif";
		scenon = new Image();
		scenon.src = "tasti/scenon.gif";

		servioff = new Image();
		servioff.src = "tasti/servioff.gif";
		servion = new Image();
		servion.src = "tasti/servion.gif";

		}

function img_act(imgName) {

        if (browser) {

        imgOn = eval(imgName + "on.src");

        document [imgName].src = imgOn;

        }

}

function img_inact(imgName) {

        if (browser) {

        imgOff = eval(imgName + "off.src");

        document [imgName].src = imgOff;

        }

}