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) {
		profil_over = newImage("navigation_images/profil_over.gif");
		profil_click = newImage("navigation_images/profil_click.gif");
		projekte_over = newImage("navigation_images/projekte_over.gif");
		projekte_click = newImage("navigation_images/projekte_click.gif");
		special_over = newImage("navigation_images/special_over.gif");
		special_click = newImage("navigation_images/special_click.gif");
		fernsehen_over = newImage("navigation_images/fernsehen_over.gif");
		fernsehen_click = newImage("navigation_images/fernsehen_click.gif");
		werbespots_over = newImage("navigation_images/werbespots_over.gif");
		werbespots_click = newImage("navigation_images/werbespots_click.gif");
		online_over = newImage("navigation_images/online_over.gif");
		online_click = newImage("navigation_images/online_click.gif");
		cdrom_over = newImage("navigation_images/cdrom_over.gif");
		cdrom_click = newImage("navigation_images/cdrom_click.gif");
		beratung_over = newImage("navigation_images/beratung_over.gif");
		beratung_click = newImage("navigation_images/beratung_click.gif");
		tronic_over = newImage("navigation_images/tronic_over.gif");
		tronic_click = newImage("navigation_images/tronic_click.gif");
		jobs_over = newImage("navigation_images/jobs_over.gif");
		jobs_click = newImage("navigation_images/jobs_click.gif");
		kontakt_over = newImage("navigation_images/kontakt_over.gif");
		kontakt_click = newImage("navigation_images/kontakt_click.gif");
		hilfe_over = newImage("navigation_images/hilfe_over.gif");
		hilfe_click = newImage("navigation_images/hilfe_click.gif");
		preloadFlag = true;
	}
}
 
function openWin( windowURL, windowName, windowFeatures ) { 
		return window.open( windowURL, windowName, windowFeatures ) ; 
	}