var preloadImageArray;

function preload() {
   args = preload.arguments;
	 preloadImageArray = new Array(args.length);
	 
	 for ( i=0; i<args.length; ++i ) {
	 		 preloadImageArray[i] = new Image();
			 preloadImageArray[i].src = args[i];
	 }
}

function rollover(name,source) {
   document.images[name].src = source;
}