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) {
		button_extreem_over = newImage("/img/button_extreem-over.gif");
		button_hardcore_over = newImage("/img/button_hardcore-over.gif");
		button_tiener_over = newImage("/img/button_tiener-over.gif");
		button_lesbo_over = newImage("/img/button_lesbo-over.gif");
		button_gay_over = newImage("/img/button_gay-over.gif");
		button_verhaal_over = newImage("/img/button_verhaal-over.gif");
		ster3 = newImage("/img/ster3.gif");
		ster_off = newImage("/img/ster_off.gif");
		preloadFlag = true;
	}
}