<!--
     function image_on(imgName) {
             if (version == "3") {
             ActiveImage = img_active.src;
             document [imgName].src = ActiveImage;
             }
     }

     function image_off(imgName) {
             if (version == "3") {
             DefaultImage = img_default.src;
             document [imgName].src =DefaultImage;
             }
     }

     whichbrowser = navigator.appName;          //identify browser 
            Ver = parseInt(navigator.appVersion);  
            if (whichbrowser == "Netscape" && Ver >= 3 ||  whichbrowser == "Microsoft Internet Explorer" && Ver > 3) version = "3";
             else version = "2";
//-->