/* nav rollovers */
nav1on=new Image();
nav1on.src="/img/nav1on-airfares.gif";
nav1off=new Image();
nav1off.src="/img/nav1-airfares.gif";
nav2on=new Image();
nav2on.src="/img/nav2on-hotels.gif";
nav2off=new Image();
nav2off.src="/img/nav2-hotels.gif";
nav3on=new Image();
nav3on.src="/img/nav3on-cars.gif";
nav3off=new Image();
nav3off.src="/img/nav3-cars.gif";
nav4on=new Image();
nav4on.src="/img/nav4on-vacations.gif";
nav4off=new Image();
nav4off.src="/img/nav4-vacations.gif";
nav6on=new Image();
nav6on.src="/img/nav6on-more.gif";
nav6off=new Image();
nav6off.src="/img/nav6-more.gif";
nav7on=new Image();
nav7on.src="/img/nav7on-help.gif";
nav7off=new Image();
nav7off.src="/img/nav7-help.gif";
	
function showmenu(ln) {
	dg.show(ln);
	roll('nav1off','nav1');
	roll('nav2off','nav2');
	roll('nav3off','nav3');
	roll('nav4off','nav4');
	roll('nav6off','nav6');
	roll('nav7off','nav7');
}