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) {
		mel_imagemap_01_PV_over = newImage("fileadmin/template/Imagemap/Bilder/mel.imagemap_01-PV_over.jpg");
		mel_imagemap_01_PV1_over = newImage("fileadmin/template/Imagemap/Bilder/mel.imagemap_01-PV1_over.jpg");
		mel_imagemap_01_PV2_over = newImage("fileadmin/template/Imagemap/Bilder/mel.imagemap_01-PV2_over.jpg");
		mel_imagemap_01_Freizeit_over = newImage("fileadmin/template/Imagemap/Bilder/mel.imagemap_01-Freizeit_ov.jpg");
		mel_imagemap_01_Gewerbe_over = newImage("fileadmin/template/Imagemap/Bilder/mel.imagemap_01-Gewerbe_ove.jpg");
		mel_imagemap_01_Biomasse_over = newImage("fileadmin/template/Imagemap/Bilder/mel.imagemap_01-Biomasse_ov.jpg");
		mel_imagemap_01_STW_over = newImage("fileadmin/template/Imagemap/Bilder/mel.imagemap_01-STW_over.jpg");
		mel_imagemap_01_BildungForschung_over = newImage("fileadmin/template/Imagemap/Bilder/mel.imagemap_01-BildungFors.jpg");
		mel_imagemap_01_wk_over = newImage("fileadmin/template/Imagemap/Bilder/mel.imagemap_01-wk_over.jpg");
		preloadFlag = true;
	}
}