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) {
		//Topmenu Home etc.
		home_uit = newImage("/images/knhome.gif");
		home_aan = newImage("/images/knhome_a.gif");
		wie_uit = newImage("/images/knwie.gif");
		wie_aan = newImage("/images/knwie_a.gif");
		wat_uit = newImage("/images/knwat.gif");
		wat_aan = newImage("/images/knwat_a.gif");
		tarieven_uit = newImage("/images/kntar.gif");
		tarieven_aan = newImage("/images/kntar_a.gif");
		contact_uit = newImage("/images/kncont.gif");
		contact_aan = newImage("/images/kncont_a.gif");
		links_uit = newImage("/images/knlink.gif");
		links_aan = newImage("/images/knlink_a.gif");
		//Klaar!
		preloadFlag = true;
	}
}