MSFPhover = 
(((navigator.appName == "Netscape") && 
(parseInt(navigator.appVersion) >= 3 )) || 
((navigator.appName == "Microsoft Internet Explorer") && 
(parseInt(navigator.appVersion) >= 4 )));

function MSFPpreload(img) 
{
var a=new Image(); a.src=img; return a; 
}