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) {
		index_ohne_05_over = newImage("../pics/index_ohne_05-over.gif");
		index_ohne_09_over = newImage("../pics/index_ohne_09-over.jpg");
		index_ohne_15_over = newImage("../pics/index_ohne_15-over.gif");
		index_ohne_17_over = newImage("../pics/index_ohne_17-over.gif");
		index_ohne_22_over = newImage("../pics/index_ohne_22-over.gif");
		index_ohne_28_over = newImage("../pics/index_ohne_28-over.gif");
		index_ohne_32_over = newImage("../pics/index_ohne_32-over.jpg");
		index_ohne_37_over = newImage("../pics/index_ohne_37-over.gif");
		index_ohne_39_over = newImage("../pics/index_ohne_39-over.gif");
		index_ohne_42_over = newImage("../pics/index_ohne_42-over.gif");
		index_ohne_47_over = newImage("../pics/index_ohne_47-over.gif");
		index_ohne_49_over = newImage("../pics/index_ohne_49-over.gif");
		kategorien_over = newImage("../pics/kategorien_over.gif");
		abmelden_over = newImage("../pics/abmelden.gif");
		admin_over = newImage("../pics/admin_over.gif");
		preloadFlag = true;
	}
}