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 >= 3.0) {
     roll = 'true'; }
else { roll = 'false'; }
function over(img,ref) { if (roll == 'true') { document.images[img].src = ref; } }
function out(img,ref) { if (roll == 'true') { document.images[img].src = ref; } }
if (roll == 'true') {
    menu_home       = new Image; menu_home.src       = "images/10_r.gif";
    menu_models       = new Image; menu_models.src       = "images/11_r.gif";
    menu_videos       = new Image; menu_videos.src       = "images/12_r.gif";
    menu_pictures       = new Image; menu_pictures.src       = "images/13_r.gif";
    menu_webcams       = new Image; menu_webcams.src       = "images/14_r.gif";
	menu_about       = new Image; menu_about.src       = "images/15_r.gif";
    menu_contact       = new Image; menu_contact.src       = "images/16_r.gif";
}