function bildLaden() {
    if (document.images) {    

		kalenderon = new Image();		kalenderon.src = "../../images/navig/kalender-a.gif";
		kalenderoff = new Image();		kalenderoff.src = "../../images/navig/kalender-i.gif";
		
		congresson = new Image();		congresson.src = "../../images/navig/cc-a.gif";
		congressoff = new Image();		congressoff.src = "../../images/navig/cc-i.gif";
		
		serviceon = new Image();		serviceon.src = "../../images/navig/service-a.gif";
		serviceoff = new Image();		serviceoff.src = "../../images/navig/service-i.gif";
		
		referenzenon = new Image();		referenzenon.src = "../../images/navig/referenzen-a.gif";
		referenzenoff = new Image();	referenzenoff.src = "../../images/navig/referenzen-i.gif";
		
		lageon = new Image();			lageon.src = "../../images/navig/lage-a.gif";
		lageoff = new Image();			lageoff.src = "../../images/navig/lage-i.gif";
		
		kontakton = new Image();		kontakton.src = "../../images/navig/kontakt-a.gif";
		kontaktoff = new Image();		kontaktoff.src = "../../images/navig/kontakt-i.gif";
	}
}

function imgOn(imgName,welche) {
var welche = "navig"
	if (document.images) {      
    	if (browser == netscape) {    
        	document.layers[welche].document[imgName].src = eval(imgName + "on.src");
		}
        else if (browser == ie) {
        	document.all[welche].document[imgName].src = eval(imgName + "on.src");
		}
	}
}
        
function imgOff(imgName,welche) {
var welche = "navig"
	if (document.images) {      
		if (browser == netscape) {    
			document.layers[welche].document[imgName].src = eval(imgName + "off.src");
		}
		else if (browser == ie) {
			document.all[welche].document[imgName].src = eval(imgName + "off.src");
		}
	}
}


function openbild(bild, breite, hoehe) {
    var neubreite, neuhoehe, bildurl;
	neubreite = breite;
	neuhoehe = hoehe;
    bildurl = bild;
    Fenster = window.open(bildurl,"Bild","width=" + neubreite + ",height=" + neuhoehe + ",scrollbars=no,toolbar=no,location=no,directories=no,menubar=no,resizable=no,status=no,dependent=yes");
	Fenster.focus();
  }