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_45 = newImage("bilder/index_45.jpg");
		index_47 = newImage("bilder/index_47.jpg");
		index_49 = newImage("bilder/index_49.jpg");
		tour01_41 = newImage("bilder/tour01_41.jpg");
		tour01_43 = newImage("bilder/tour01_43.jpg");
		tour01_45 = newImage("bilder/tour01_45.jpg");
		tour02_40 = newImage("bilder/tour02_40.jpg");
		tour02_53 = newImage("bilder/tour02_53.jpg");
		tour02_58 = newImage("bilder/tour02_58.jpg");
		tour03_41 = newImage("bilder/tour03_41.jpg");
		tour03_43 = newImage("bilder/tour03_43.jpg");
		tour03_45 = newImage("bilder/tour03_45.jpg");
		preloadFlag = true;
	}
}