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) {
		totalanal_10_over = newImage("Bilder/totalanal_10-over.gif");
		totalanal_11_over = newImage("Bilder/totalanal_11-over.gif");
		totalanal_12_over = newImage("Bilder/totalanal_12-over.gif");
		totalanal_13_over = newImage("Bilder/totalanal_13-over.gif");
		totalanal_14_over = newImage("Bilder/totalanal_14-over.gif");
		totalanal_15_over = newImage("Bilder/totalanal_15-over.gif");
		totalanal_16_over = newImage("Bilder/totalanal_16-over.gif");
		totalanal_34_over = newImage("Bilder/totalanal_34-over.jpg");
		totalanal_35_over = newImage("Bilder/totalanal_35-over.jpg");
		totalanal_36_over = newImage("Bilder/totalanal_36-over.jpg");
		preloadFlag = true;
	}
}