home1=new Image();
home1.src="bilder/navigation/home.jpg";
home2=new Image();
home2.src="bilder/navigation/home_over.jpg";
function wechsel1() {document.home.src = home2.src};
function wechsel2() {document.home.src = home1.src};

leistungen1=new Image();
leistungen1.src="bilder/navigation/leistungen.jpg";
leistungen2=new Image();
leistungen2.src="bilder/navigation/leistungen_over.jpg";
function wechsel3() {document.leistungen.src = leistungen2.src};
function wechsel4() {document.leistungen.src = leistungen1.src};

mediapresenter1=new Image();
mediapresenter1.src="bilder/navigation/mediapresenter.jpg";
mediapresenter2=new Image();
mediapresenter2.src="bilder/navigation/mediapresenter_over.jpg";
function wechsel5() {document.mediapresenter.src = mediapresenter2.src};
function wechsel6() {document.mediapresenter.src = mediapresenter1.src};

kontakt1=new Image();
kontakt1.src="bilder/navigation/kontakt.jpg";
kontakt2=new Image();
kontakt2.src="bilder/navigation/kontakt_over.jpg";
function wechsel7() {document.kontakt.src = kontakt2.src};
function wechsel8() {document.kontakt.src = kontakt1.src};

/*
-----------------------------------------------------------------------
Popup Fenster - Funktion
-----------------------------------------------------------------------
*/
function neuesFenster(url) {
window.open(url,"_blank","width=750,height=550,left=0,top=0,menuebar=no,location=no");
}