if (document.images){
		as_9_over = new Image();
		as_9_over.src = "images/as_9_over.gif";
		as_l1_over = new Image();
		as_l1_over.src = "images/as_l1_over.gif";
		as_l2_over = new Image();
		as_l2_over.src = "images/as_l2_over.gif";
		as_l3_over = new Image();
		as_l3_over.src = "images/as_l3_over.gif";
		as_l4_over = new Image();
		as_l4_over.src = "images/as_l4_over.gif";
		as_l5_over = new Image();
		as_l5_over.src = "images/as_l5_over.gif";
		as_16_over = new Image();
		as_16_over.src = "images/as_16_over.gif";
		as_l7_over = new Image();
		as_l7_over.src = "images/as_l7_over.gif";

		as_9_out = new Image();
		as_9_out.src = "images/as_9.gif";
		as_l1_out = new Image();
		as_l1_out.src = "images/as_l1.gif";
		as_l2_out = new Image();
		as_l2_out.src = "images/as_l2.gif";
		as_l3_out = new Image();
		as_l3_out.src = "images/as_l3.gif";
		as_l4_out = new Image();
		as_l4_out.src = "images/as_l4.gif";
		as_l5_out = new Image();
		as_l5_out.src = "images/as_l5.gif";
		as_16_out = new Image();
		as_16_out.src = "images/as_16.gif";
		as_l7_out = new Image();
		as_l7_out.src = "images/as_l7.gif";
}

function onoff(x, y) {
        if(document.images) {
                document.images[x].src=eval(y+'.src');
		     }
        }