if (document.images) { // Active Images

     
	 img1on = new Image();
     img1on.src = "/images/butta.gif";
	 img2on = new Image();
     img2on.src = "/images/butta.gif";
	 img3on = new Image();
     img3on.src = "/images/butta.gif";
	 img4on = new Image();
     img4on.src = "/images/butta.gif";
	 img5on = new Image();
     img5on.src = "/images/butta.gif";
	 img6on = new Image();
     img6on.src = "/images/butta.gif";
	 img7on = new Image();
     img7on.src = "/images/butta.gif";
	 img8on = new Image();
     img8on.src = "/images/butta.gif";
	 img9on = new Image();
	 img9on.src = "/images/butta.gif";
	 
	 img1off = new Image();
     img1off.src = "/images/butt.gif";
	 img2off = new Image();
     img2off.src = "/images/butt.gif";
	 img3off = new Image();
     img3off.src = "/images/butt.gif";
	 img4off = new Image();
     img4off.src = "/images/butt.gif";
	 img5off = new Image();
     img5off.src = "/images/butt.gif";
	 img6off = new Image();
     img6off.src = "/images/butt.gif";
	 img7off = new Image();
     img7off.src = "/images/butt.gif";
	 img8off = new Image();
     img8off.src = "/images/butt.gif";
	 img9off = new Image();
	 img9off.src = "/images/butt.gif";
	 
}
// Function to 'activate' images.
function imgOn(imgName) {
if (document.images) {
document[imgName].src = eval(imgName + "on.src");
}
}
// Function to 'deactivate' images.
function imgOff(imgName) {
if (document.images) {
document[imgName].src = eval(imgName + "off.src");
}
}