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) {
		home_over = newImage("images/home_over.gif");
		agentur_over = newImage("images/agentur_over.gif");
		diebank_over = newImage("images/diebank_over.gif");
		led_info_over = newImage("images/led_info_over.gif");
		kontakt_over = newImage("images/kontakt_over.gif");
		impressum_over = newImage("images/impressum_over.gif");
		dropdown_normal = newImage("images/menu/menu.gif");
		dropdown_over = newImage("images/menu/menu_over.gif");
		dropdown_design_over = newImage("images/menu/menu_design_over.gif");
		dropdown_event_over = newImage("images/menu/menu_event_over.gif");
		quad_over = newImage("images/quad_over.gif");
		preloadFlag = true;
	}
}