window.onerror = null;
var netscape = 0;
var goodIE = 0;
browserName = navigator.appName.substring(0,8);
browserVer = parseFloat(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3)
{ netscape = 1; }
if (browserName == "Microsof" && browserVer >= 4)
{ goodIE = 1; }

if (netscape || goodIE) {
names = new Array(  "zero" , "one" , "two" , "three" , "four" , "five" , "six" , "seven"  );

        buttons = new Array(13);

for (m=0; m<=13; m++) {

buttons[m] = new Image(); }

        buttons[0].src = "images/homeOff.gif";
        buttons[1].src = "images/homeOn.gif";
        buttons[2].src = "images/credentialsOff.gif";
        buttons[3].src = "images/credentialsOn.gif";
        buttons[4].src = "images/servicesOff.gif";
        buttons[5].src = "images/servicesOn.gif";
        buttons[6].src = "images/listingsOff.gif";
        buttons[7].src = "images/listingsOn.gif";
        buttons[8].src = "images/testimonialsOff.gif";
        buttons[9].src = "images/testimonialsOn.gif";
		buttons[10].src = "images/linksOff.gif";
		buttons[11].src = "images/linksOn.gif";
		buttons[12].src = "images/contactmeOff.gif";
		buttons[13].src = "images/contactmeOn.gif";
		}

function swap(des,num) {
if (netscape || goodIE) {
document.images[names[des]].src = buttons[num].src;
	 }}