var img1 = new Image();
var img2 = new Image();
var img3 = new Image();
var img4 = new Image();
var img5 = new Image();
var img6 = new Image();
var img7 = new Image();
function init() {
        img1.src = "l01b.jpg";
        img2.src = "l02b.jpg";
        img3.src = "l03b.jpg";
        img4.src = "l04b.jpg";
		img5.src = "l05b.jpg";
        img6.src = "l06b.jpg";
		img6.src = "l07b.jpg";
		
        }
function hgl(img) { document[img].src =img + "b.jpg"; }
function unhgl(img) { document[img].src =img + "a.jpg"; }