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) {
		start5_over = newImage("fileadmin/xadio/Bilder/start5-over.jpg");
		logoBJ4_01_over = newImage("fileadmin/xadio/Bilder/taste-bj-over.gif");
		mail3_01_over = newImage("fileadmin/xadio/Bilder/mail3_01-over.png");
		pfeil_01_over = newImage("fileadmin/xadio/Bilder/pfeil_01-over.gif");
		telefon_01_over = newImage("fileadmin/xadio/Bilder/Bilder/telefon_01-over.gif");

		preloadFlag = true;
	}
}