function doRoll(who,what) {

	what="/images/"+what+".gif";

	who.src=what;

}



function preloadImages() {
	var imgFiles = preloadImages.arguments;
	var preloadArray = new Array();
	for (var i=0; i<imgFiles.length; i++) {
			preloadArray[i] = new Image;
			preloadArray[i].src = imgFiles[i];
	}
}