Normal1 = new Image();
Normal1.src = "images/nav_home.gif";
Highlight1 = new Image();
Highlight1.src = "images/nav_home_h.gif";

Normal2 = new Image();
Normal2.src = "images/nav_profil.gif";
Highlight2 = new Image();
Highlight2.src = "images/nav_profil_h.gif";

Normal2a = new Image();
Normal2a.src = "images/nav_profil_ueberuns.gif";
Highlight2a = new Image();
Highlight2a.src = "images/nav_profil_ueberuns_h.gif";

Normal2b = new Image();
Normal2b.src = "images/nav_profil_leistungen.gif";
Highlight2b = new Image();
Highlight2b.src = "images/nav_profil_leistungen_h.gif";

Normal3 = new Image();
Normal3.src = "images/nav_workshops.gif";
Highlight3 = new Image();
Highlight3.src = "images/nav_workshops_h.gif";

Normal4 = new Image();
Normal4.src = "images/nav_referenzen.gif";
Highlight4 = new Image();
Highlight4.src = "images/nav_referenzen_h.gif";

Normal5 = new Image();
Normal5.src = "images/nav_aktuelles.gif";
Highlight5 = new Image();
Highlight5.src = "images/nav_aktuelles_h.gif";

Normal5a = new Image();
Normal5a.src = "images/nav_aktuelles_news.gif";
Highlight5a = new Image();
Highlight5a.src = "images/nav_aktuelles_news_h.gif";

Normal5b = new Image();
Normal5b.src = "images/nav_aktuelles_veroeffentlichungen.gif";
Highlight5b = new Image();
Highlight5b.src = "images/nav_aktuelles_veroeffentlichungen_h.gif";

Normal6 = new Image();
Normal6.src = "images/nav_impressum.gif";
Highlight6 = new Image();
Highlight6.src = "images/nav_impressum_h.gif";

Normal7 = new Image();
Normal7.src = "images/nav_kontakt.gif";
Highlight7 = new Image();
Highlight7.src = "images/nav_kontakt_h.gif";

function Bildwechsel(Bildnr,Bildobjekt) {
	window.document.images[Bildnr].src = Bildobjekt.src;
}




function checkForm() {
	if (document.contactform.name.value == '') {
		alert('Bitte tragen Sie Ihren Namen ein!');
		document.contactform.name.focus();
		return false;
	}
	if (document.contactform.email.value == '') {
		alert('Bitte tragen Sie Ihre Emailadresse ein!');
		document.contactform.email.focus();
		return false;
	}
	if (document.contactform.subject.value == '') {
		alert('Bitte tragen Sie ein Betreff ein!');
		document.contactform.subject.focus();
		return false;
	}
	if (document.contactform.message.value == '') {
		alert('Bitte tragen Sie Ihre Nachricht ein!');
		document.contactform.message.focus();
		return false;
	}
	return true;
}