// Browser Detection
browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion); 

if (browser_name == "Netscape" && browser_version >= 3.0) { roll = 'true'; }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 4.0) { roll = 'true'; }
else { roll = 'false'; }

// Use this code if you are only doing one mouseover
function msover0(img,ref) { if (roll == 'true') { document.images[img].src = ref; } }
function msout1(img,ref)  { if (roll == 'true') { document.images[img].src = ref; } }
function msclick1(img,ref)  { if (roll == 'true') { document.images[img].src = ref; } }