if (document.images) {

	// On images
	image1on = new Image();
	image1on.src = "images/navi_kontakt_over.gif";
	image2on = new Image();
	image2on.src = "images/navi_start_over.gif";
	image3on = new Image();
	image3on.src = "images/navi_verein_over.gif";
	image4on = new Image();
	image4on.src = "images/navi_chronik_over.gif";
	image5on = new Image();
	image5on.src = "images/navi_vorstand_over.gif";
	image6on = new Image();
	image6on.src = "images/navi_wo_over.gif";
	image7on = new Image();
	image7on.src = "images/navi_news_over.gif";
	image8on = new Image();
	image8on.src = "images/navi_jahr_over.gif";
	image9on = new Image();
	image9on.src = "images/navi_bilder_over.gif";
	image10on = new Image();
	image10on.src = "images/navi_ausbilder_over.gif";
	image11on = new Image();
	image11on.src = "images/navi_schueler_over.gif";
	image12on = new Image();
	image12on.src = "images/navi_instrumente_over.gif";
	image13on = new Image();
	image13on.src = "images/navi_infoAusbildung_over.gif";
	image14on = new Image();
	image14on.src = "images/navi_mitglieder_over.gif";
	image15on = new Image();
	image15on.src = "images/navi_lesen_over.gif";
	image16on = new Image();
	image16on.src = "images/navi_eintragen_over.gif";	
	image17on = new Image();
	image17on.src = "images/navi_statuten_over.gif";	
	image18on = new Image();
	image18on.src = "images/navi_impressum_over.gif";
	image20on = new Image();
	image20on.src = "images/navi_bezirkstreffen_over.gif";	
	image21on = new Image();
	image21on.src = "images/navi_sponsoren_over.gif";	
	
	// Off images
	image1off = new Image();
	image1off.src = "images/navi_kontakt.gif";
	image2off = new Image();
	image2off.src = "images/navi_start.gif";
	image3off = new Image();
	image3off.src = "images/navi_verein.gif";
	image4off = new Image();
	image4off.src = "images/navi_chronik.gif";
	image5off = new Image();
	image5off.src = "images/navi_vorstand.gif";
	image6off = new Image();
	image6off.src = "images/navi_wo.gif";
	image7off = new Image();
	image7off.src = "images/navi_news.gif";
	image8off = new Image();
	image8off.src = "images/navi_jahr.gif";
	image9off = new Image();
	image9off.src = "images/navi_bilder.gif";
	image10off = new Image();
	image10off.src = "images/navi_ausbilder.gif";
	image11off = new Image();
	image11off.src = "images/navi_schueler.gif";
	image12off = new Image();
	image12off.src = "images/navi_instrumente.gif";
	image13off = new Image();
	image13off.src = "images/navi_infoAusbildung.gif";
	image14off = new Image();
	image14off.src = "images/navi_mitglieder.gif";
	image15off = new Image();
	image15off.src = "images/navi_lesen.gif";
	image16off = new Image();
	image16off.src = "images/navi_eintragen.gif";
	image17off = new Image();
	image17off.src = "images/navi_statuten.gif";
	image18off = new Image();
	image18off.src = "images/navi_impressum.gif";	
	image20off = new Image();
	image20off.src = "images/navi_bezirkstreffen.gif";
	image21off = new Image();
	image21off.src = "images/navi_sponsoren.gif";	
    }
function imgOn(imgName) {
  if (document.images) {
    document[imgName].src = eval(imgName + "on.src")
  }
}
function imgOff(imgName) {
  if (document.images) {
    document[imgName].src = eval(imgName + "off.src");
  }
}