function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		start_button_over = newImage("gfx/start_button-over.jpg");
		neues_button_over = newImage("gfx/neues_button-over.jpg");
		band_button_over = newImage("gfx/band_button-over.jpg");
		dogrock_button_over = newImage("gfx/dogrock_button-over.jpg");
		kontakt_button_over = newImage("gfx/kontakt_button-over.jpg");
		leckerle_button_over = newImage("gfx/leckerle_button-over.jpg");
		gaestebuch_button_over = newImage("gfx/gaestebuch_button-over.jpg");
		maegg_button_over = newImage("gfx/maegg_button-over.jpg");
		chris_button_over = newImage("gfx/chris_button-over.jpg");
		mibo_button_over = newImage("gfx/mibo_button-over.jpg");
		back_button_over = newImage("gfx/back_button-over.jpg");
		bellen_button_over = newImage("gfx/bellen_button-over.jpg");
		preloadFlag = true;
	}
}