browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
ie4 = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 5 ))
ns4 = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4.5 ))

if (browser){
// main menu images

hson = new Image();
hson.src = "img/h-arrow.gif";
hsoff = new Image();
hsoff.src = "img/spacer.gif";




//
}