function init_it() {
	if (document.images) {
		a01a = new Image(102,29);
		a01a.src = '/images/buttons/weiss/gastronomie.gif';
		a01b = new Image(102,29);
		a01b.src = '/images/buttons/blau/gastronomie.gif';
		
		a02a = new Image(102,29);
		a02a.src = '/images/buttons/weiss/salons.gif';
		a02b = new Image(102,29);
		a02b.src = '/images/buttons/blau/salons.gif';

		a03a = new Image(102,29);
		a03a.src = '/images/buttons/weiss/liegeplatz.gif';
		a03b = new Image(102,29);
		a03b.src = '/images/buttons/blau/liegeplatz.gif';

		a04a = new Image(102,29);
		a04a.src = '/images/buttons/weiss/historie.gif';
		a04b = new Image(102,29);
		a04b.src = '/images/buttons/blau/historie.gif';

		a05a = new Image(102,29);
		a05a.src = '/images/buttons/weiss/tech_daten.gif';
		a05b = new Image(102,29);
		a05b.src = '/images/buttons/blau/tech_daten.gif';
		
		a06a = new Image(102,29);
		a06a.src = '/images/buttons/weiss/unsere_flotte.gif';
		a06b = new Image(102,29);
		a06b.src = '/images/buttons/blau/unsere_flotte.gif';

		a07a = new Image(102,29);
		a07a.src = '/images/buttons/weiss/kontakt.gif';
		a07b = new Image(102,29);
		a07b.src = '/images/buttons/blau/kontakt.gif';

		a08a = new Image(102,29);
		a08a.src = '/images/buttons/weiss/impressum.gif';
		a08b = new Image(102,29);
		a08b.src = '/images/buttons/blau/impressum.gif';
		
		a09a = new Image(102,29);
		a09a.src = '/images/buttons/weiss/aktuelles.gif';
		a09b = new Image(102,29);
		a09b.src = '/images/buttons/blau/aktuelles.gif';
		a10a = new Image(102,29);
		a10a.src = '/images/buttons/weiss/video.gif';
		a10b = new Image(102,29);
		a10b.src = '/images/buttons/blau/video.gif';

	}
}

function on(imgName) {
	if (document.images) {
		document [imgName].src = eval(imgName + "b.src");
	}
}

function off(imgName) {
	if (document.images) {
		document [imgName].src = eval(imgName + "a.src");
	}
}