if (document.images) {         					   // Active Images

            img1on = new Image();
            img1on.src = "img/topnav/01_home_x.gif";
            img2on = new Image();
            img2on.src = "img/topnav/02_reservations_x.gif";
			img3on = new Image();
            img3on.src = "img/topnav/03_about_x.gif";
			img4on = new Image();
            img4on.src = "img/topnav/04_tour_x.gif";
			img5on = new Image();
            img5on.src = "img/topnav/05_contact_x.gif";
			img6on = new Image();
            img6on.src = "img/topnav/06_directions_x.gif";
			img7on = new Image();
            img7on.src = "img/continue_x.gif";
			img8on = new Image();
            img8on.src = "img/taketour_x.gif";
			img9on = new Image();
            img9on.src = "img/taketour_x.gif";
			img10on = new Image();
            img10on.src = "img/btn_cont_x.gif";

            img1off = new Image(); 	
            img1off.src = "img/topnav/01_home.gif";
            img2off = new Image(); 	
            img2off.src = "img/topnav/02_reservations.gif";
			img3off = new Image();
            img3off.src = "img/topnav/03_about.gif";
			img4off = new Image(); 		
            img4off.src = "img/topnav/04_tour.gif";
			img5off = new Image(); 	
            img5off.src = "img/topnav/05_contact.gif";
            img6off = new Image();
            img6off.src = "img/topnav/06_directions.gif";
			img7off = new Image();
            img7off.src = "img/continue.gif";
			img8off = new Image();
            img8off.src = "img/taketour.gif";
			img9off = new Image();
            img9off.src = "img/taketour.gif";
			img10off = new Image();
            img10off.src = "img/btn_cont.gif";

			}

function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}