varBrowser = navigator.appName;
varBrowserVer = parseFloat(navigator.appVersion);
if (varBrowser == "Netscape" && varBrowserVer >= 3.0) { varMouseIt = 'true'; }
else if (varBrowser == "Microsoft Internet Explorer" && varBrowserVer >= 4.0) { varMouseIt = 'true'; }
else { varMouseIt = 'false'; }

function msover1(img,ref){if (varMouseIt == 'true'){document.images[img].src = ref;}}
function msout1(img,ref){if (varMouseIt == 'true'){document.images[img].src = ref;}}

var imgs = new Array();
var count = 0;

function preloadImg(filename)
{
imgs[count] = new Image ();
imgs[count].src = filename;
count++;
}