<!--

function preLoadImage(imageURL) {
	image = new Image();
	image.src = imageURL;
	return image;
}

<!-- repeat the 4 lines above for any subsequent images. -->

function swap(){
	if (document.images){
		for (var x=0;x<swap.arguments.length;x+=2) {
			document[swap.arguments[x]].src = eval(swap.arguments[x+1] + ".src");
		}
	}
}

-->