function bookmark() {
          	var ver = navigator.appName;
          	var num = parseInt(navigator.appVersion);
          	var strNetscape="For Netscape/Mozilla/Firefox users: Please hit CTRL+D to bookmark this site."
          	var url = location.href; var site="GoQueensland - Queensland Holiday Experts - Every Queensland resort, island and hotel experience"
          	if ((ver == "Microsoft Internet Explorer") && (num >= 4)) {	
          		window.external.AddFavorite(url, site);
          	}
          	else if (ver == 'Netscape') {
          		alert(strNetscape);
          	}
          }