<!-- hide script from older browsers

if(document.images) {

topup = new Image();
topup.src = "/images/button_top_up.gif";

topover = new Image();
topover.src = "/images/button_top_over.gif";
}

function swapImage(ImageName,newImage){
if(document.images) {
document[ImageName].src=eval(newImage+".src")
		}
}

// end hiding script from old browsers -->