b_Homeon = new Image();
b_Homeon.src="/de/images/b_home_in.gif";

b_Homeoff = new Image();
b_Homeoff.src="/de/images/b_home_out.gif";

b_Produkteon = new Image();
b_Produkteon.src="/de/images/b_produkte_in.gif";

b_Produkteoff = new Image();
b_Produkteoff.src="/de/images/b_produkte_out.gif";

b_Profilon = new Image();
b_Profilon.src="/de/images/b_profil_in.gif";

b_Profiloff = new Image();
b_Profiloff.src="/de/images/b_profil_out.gif";

b_Kontakton = new Image();
b_Kontakton.src="/de/images/b_kontakt_in.gif";

b_Kontaktoff = new Image();
b_Kontaktoff.src="/de/images/b_kontakt_out.gif";

b_Kundensiteon = new Image();
b_Kundensiteon.src="/de/images/b_kundensite_in.gif";

b_Kundensiteoff = new Image();
b_Kundensiteoff.src="/de/images/b_kundensite_out.gif";

function turnOn(imageName) {
  if (document.images) {
    document[imageName].src = eval(imageName + "on.src");
  }
}

function turnOff(imageName) {
  if (document.images) {
    document[imageName].src = eval(imageName + "off.src");    
  }
}