function preload(pfad){
	nav0a1 = new Image(); nav0a1.src = pfad+"bilder/navi/nav0mail1.gif";
	nav0a2 = new Image(); nav0a2.src = pfad+"bilder/navi/nav0mail2.gif";
	nav0b1 = new Image(); nav0b1.src = pfad+"bilder/navi/nav0drucken1.gif";
	nav0b2 = new Image(); nav0b2.src = pfad+"bilder/navi/nav0drucken2.gif";
	nav0c1 = new Image(); nav0c1.src = pfad+"bilder/navi/nav0anfahrt1.gif";
	nav0c2 = new Image(); nav0c2.src = pfad+"bilder/navi/nav0anfahrt2.gif";
	nav0d1 = new Image(); nav0d1.src = pfad+"bilder/navi/nav0impressum1.gif";
	nav0d2 = new Image(); nav0d2.src = pfad+"bilder/navi/nav0impressum2.gif";

	nav1a1 = new Image(); nav1a1.src = pfad+"bilder/navi/nav1kdu1.gif";
	nav1a2 = new Image(); nav1a2.src = pfad+"bilder/navi/nav1kdu2.gif";
	nav1b1 = new Image(); nav1b1.src = pfad+"bilder/navi/nav1anwaelte1.gif";
	nav1b2 = new Image(); nav1b2.src = pfad+"bilder/navi/nav1anwaelte2.gif";
	nav1c1 = new Image(); nav1c1.src = pfad+"bilder/navi/nav1standort1.gif";
	nav1c2 = new Image(); nav1c2.src = pfad+"bilder/navi/nav1standort2.gif";
	nav1d1 = new Image(); nav1d1.src = pfad+"bilder/navi/nav1leistungen1.gif";
	nav1d2 = new Image(); nav1d2.src = pfad+"bilder/navi/nav1leistungen2.gif";
	nav1e1 = new Image(); nav1e1.src = pfad+"bilder/navi/nav1aktuelles1.gif";
	nav1e2 = new Image(); nav1e2.src = pfad+"bilder/navi/nav1aktuelles2.gif";
	nav1f1 = new Image(); nav1f1.src = pfad+"bilder/navi/nav1service1.gif";
	nav1f2 = new Image(); nav1f2.src = pfad+"bilder/navi/nav1service2.gif";
	nav1g1 = new Image(); nav1g1.src = pfad+"bilder/navi/nav1seminare1.gif";
	nav1g2 = new Image(); nav1g2.src = pfad+"bilder/navi/nav1seminare2.gif";
	nav1h1 = new Image(); nav1h1.src = pfad+"bilder/navi/nav1kontakt1.gif";
	nav1h2 = new Image(); nav1h2.src = pfad+"bilder/navi/nav1kontakt2.gif";
	nav1i1 = new Image(); nav1i1.src = pfad+"bilder/navi/nav1kooperation1.gif";
	nav1i2 = new Image(); nav1i2.src = pfad+"bilder/navi/nav1kooperation2.gif";

	unav1a1 = new Image(); unav1a1.src = pfad+"bilder/navi/unav1krist1.gif";
	unav1a2 = new Image(); unav1a2.src = pfad+"bilder/navi/unav1krist2.gif";
	unav1b1 = new Image(); unav1b1.src = pfad+"bilder/navi/unav1deller1.gif";
	unav1b2 = new Image(); unav1b2.src = pfad+"bilder/navi/unav1deller2.gif";
	unav1c1 = new Image(); unav1c1.src = pfad+"bilder/navi/unav1cannive1.gif";
	unav1c2 = new Image(); unav1c2.src = pfad+"bilder/navi/unav1cannive2.gif";
	unav1d1 = new Image(); unav1d1.src = pfad+"bilder/navi/unav1weber1.gif";
	unav1d2 = new Image(); unav1d2.src = pfad+"bilder/navi/unav1weber2.gif";
	unav1g1 = new Image(); unav1g1.src = pfad+"bilder/navi/unav1gaber1.gif";
	unav1g2 = new Image(); unav1g2.src = pfad+"bilder/navi/unav1gaber2.gif";
	unav1h1 = new Image(); unav1h1.src = pfad+"bilder/navi/unav1schwabe1.gif";
	unav1h2 = new Image(); unav1h2.src = pfad+"bilder/navi/unav1schwabe2.gif";

	unav2a1 = new Image(); unav2a1.src = pfad+"bilder/navi/unav2bau1.gif";
	unav2a2 = new Image(); unav2a2.src = pfad+"bilder/navi/unav2bau2.gif";
	unav2b1 = new Image(); unav2b1.src = pfad+"bilder/navi/unav2vergabe1.gif";
	unav2b2 = new Image(); unav2b2.src = pfad+"bilder/navi/unav2vergabe2.gif";
	unav2c1 = new Image(); unav2c1.src = pfad+"bilder/navi/unav2honorar1.gif";
	unav2c2 = new Image(); unav2c2.src = pfad+"bilder/navi/unav2honorar2.gif";

	unav3a1 = new Image(); unav3a1.src = pfad+"bilder/navi/unav3vergabe1.gif";
	unav3a2 = new Image(); unav3a2.src = pfad+"bilder/navi/unav3vergabe2.gif";
	unav3b1 = new Image(); unav3b1.src = pfad+"bilder/navi/unav3bau1.gif";
	unav3b2 = new Image(); unav3b2.src = pfad+"bilder/navi/unav3bau2.gif";

	unav4a1 = new Image(); unav4a1.src = pfad+"bilder/navi/unav4express1.gif";
	unav4a2 = new Image(); unav4a2.src = pfad+"bilder/navi/unav4express2.gif";
	unav4b1 = new Image(); unav4b1.src = pfad+"bilder/navi/unav4materialien1.gif";
	unav4b2 = new Image(); unav4b2.src = pfad+"bilder/navi/unav4materialien2.gif";

	unav5a1 = new Image(); unav5a1.src = pfad+"bilder/navi/unav5koblenz1.gif";
	unav5a2 = new Image(); unav5a2.src = pfad+"bilder/navi/unav5koblenz2.gif";
	unav5b1 = new Image(); unav5b1.src = pfad+"bilder/navi/unav5wiesbaden1.gif";
	unav5b2 = new Image(); unav5b2.src = pfad+"bilder/navi/unav5wiesbaden2.gif";
	unav5c1 = new Image(); unav5c1.src = pfad+"bilder/navi/unav5koeln1.gif";
	unav5c2 = new Image(); unav5c2.src = pfad+"bilder/navi/unav5koeln2.gif";

}


function on(name){
	document[name].src=eval(name + "2.src");
}

function off(name){
  document[name].src=eval(name + "1.src");
}



function unavi(box,aktion){
	if(aktion=='on'){
		unavisClose();
		document.getElementById(box).style.display="block";
	}
	if(aktion=='off'){
		document.getElementById(box).style.display="none";
		if(unaviAktiv!=""){
			document.getElementById(unaviAktiv).style.display="block";
		}
	}
}

function unavisClose(){
	document.getElementById("unaviAnwaelte").style.display="none";
	document.getElementById("unaviLeistungen").style.display="none";
	document.getElementById("unaviAktuelles").style.display="none";
	document.getElementById("unaviService").style.display="none";
	document.getElementById("unaviStandort").style.display="none";
}


function popup(url,breite,hoehe,pos){
    if(isNaN(breite))breite=400;
    if(isNaN(hoehe))hoehe=400;

    if(pos=="right"){
        oben=24;
        links=window.screenLeft+document.body.offsetWidth;
        if(links+breite>screen.width)links=screen.width-breite-12;
    }
    else{
        if(pos=="left"){
            oben=0;
            links=0;
        }
        else{
            oben=screen.height/2-hoehe/2;
            links=screen.width/2-breite/2 - 12;
        }
    }
    windowprops = "height="+hoehe+",width="+breite+",left="+links+",top="+oben
                + "location=no,scrollbars=no,menubars=no,toolbars=no,resizable=yes,status=no";

    kdu_popup = window.open(url, "kdu_popup", windowprops);
    kdu_popup.focus();
    return false;
}