<!--

var base = "images/";
var prefixon = "_on";
var prefixoff = "_off";
var suffix = ".gif";

if (document.images) {
	img1on = new Image();   img1on.src = base + "indirizzo" + prefixon + suffix; 
	img2on = new Image();   img2on.src = base + "mail" + prefixon + suffix;


	
	img1off = new Image();  img1off.src = base + "indirizzo" + prefixoff + suffix;
	img2off = new Image();  img2off.src = base + "mail" + prefixoff + suffix;

}

	function imgOn(imgName) {
		if (document.images) {
			document[imgName].src = eval(imgName + "on.src");       
		}
	}

	function imgOff(imgName) {
		if (document.images) {
			document[imgName].src = eval(imgName + "off.src");
		}
	}

//-->