if (document.images) { 

var img0on = new Image();
img0on.src = "/elements/m00a.gif";
var img0off = new Image();
img0off.src = "/elements/m00.gif";

var img1on = new Image();
img1on.src = "/elements/m01a.gif";
var img1off = new Image();
img1off.src = "/elements/m01.gif";

var img2on = new Image();
img2on.src = "/elements/m02a.gif";
var img2off = new Image();
img2off.src = "/elements/m02.gif";

var img3on = new Image();
img3on.src = "/elements/m03a.gif";
var img3off = new Image();
img3off.src = "/elements/m03.gif";

var img4on = new Image();
img4on.src = "/elements/m04a.gif";
var img4off = new Image();
img4off.src = "/elements/m04.gif";

var img5on = new Image();
img5on.src = "/elements/m05a.gif";
var img5off = new Image();
img5off.src = "/elements/m05.gif";

var img6on = new Image();
img6on.src = "/elements/m06a.gif";
var img6off = new Image();
img6off.src = "/elements/m06.gif";

var img7on = new Image();
img7on.src = "/elements/m07a.gif";
var img7off = new Image();
img7off.src = "/elements/m07.gif";

var img8on = new Image();
img8on.src = "/elements/m08a.gif";
var img8off = new Image();
img8off.src = "/elements/m08.gif";

} 

function on(name) {
	if (document.images) {
		document.images[name].src = eval(name + 'on.src');
	}
}

function off(name) {
	if (document.images) {
		document.images[name].src = eval(name + 'off.src');
	}
}