if (document.images)
   {
        homeon= new Image(121,22);
        homeon.src="Images/home_b.gif";
        homeoff= new Image(121,22);
		homeoff.src="Images/home.gif";
		kurseon= new Image(77,22);
		kurseon.src="Images/kurse_b.gif";
		kurseoff= new Image(77,22);
		kurseoff.src="Images/kurse.gif";
		aktionenon= new Image(121,22);
		aktionenon.src="Images/aktionen_b.gif";
		aktionenoff= new Image(121,22);
		aktionenoff.src="Images/aktionen.gif";
		companyon= new Image(118,22);
		companyon.src="Images/company_b.gif";
		companyoff= new Image(118,22);
		companyoff.src="Images/company.gif";
		fotoson= new Image(72,22);
		fotoson.src="Images/fotos_b.gif";
		fotosoff= new Image(72,22);
		fotosoff.src="Images/fotos.gif";
		traineron= new Image(107,22);
		traineron.src="Images/trainer_b.gif";
		traineroff= new Image(107,22);
		traineroff.src="Images/trainer.gif";
		kontakton= new Image(115,22);
		kontakton.src="Images/kontakt_b.gif";
		kontaktoff= new Image(115,22);
		kontaktoff.src="Images/kontakt.gif";
   }

function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }

 if(window.navigator.systemLanguage && !window.navigator.language) {
  function hoverIE() {
    var LI = document.getElementById("Navigation").firstChild;
    do {
      if (sucheUL(LI.firstChild)) {
        LI.onmouseover=einblenden; LI.onmouseout=ausblenden;
      }
      LI = LI.nextSibling;
    }
    while(LI);
  }

  function sucheUL(UL) {
    do {
      if(UL) UL = UL.nextSibling;
      if(UL && UL.nodeName == "UL") return UL;
    }
    while(UL);
    return false;
  }

  function einblenden() {
    var UL = sucheUL(this.firstChild);
    UL.style.display = "block";;
  }
  function ausblenden() {
    sucheUL(this.firstChild).style.display = "none";
  }

  window.onload=hoverIE;
}