var auswahl_nr

onWahl = new Image();
onWahl.src = "images/onwahl.gif";
offWahl = new Image();
offWahl.src = "images/offwahl.gif";

function cmdChangeImg(nr,imgObj){
  if (auswahl_nr!=nr){
    switch (nr){
      case 1 : window.document.btHome.src=imgObj.src; break;
      case 2 : window.document.btShareware.src=imgObj.src; break;
      case 3 : window.document.btBestell.src=imgObj.src; break;
      case 4 : window.document.btWallpaper.src=imgObj.src; break;
      case 5 : window.document.btLinks.src=imgObj.src; break;
      case 6 : window.document.btImpressum.src=imgObj.src; break;
    }
  }
}

function cmdSelectMenu(nr) {
  switch (auswahl_nr){
     case 1 : window.document.btHome.src=offWahl.src; break;
     case 2 : window.document.btShareware.src=offWahl.src; break;
     case 3 : window.document.btBestell.src=offWahl.src; break;
     case 4 : window.document.btWallpaper.src=offWahl.src; break;
     case 5 : window.document.btLinks.src=offWahl.src; break;
     case 6 : window.document.btImpressum.src=offWahl.src; break;
  }
  switch (nr){
     case 1 : window.document.btHome.src=onWahl.src; break;
     case 2 : window.document.btShareware.src=onWahl.src; break;
     case 3 : window.document.btBestell.src=onWahl.src; break;
     case 4 : window.document.btWallpaper.src=onWahl.src; break;
     case 5 : window.document.btLinks.src=onWahl.src; break;
     case 6 : window.document.btImpressum.src=onWahl.src; break;
  }
  auswahl_nr=nr;
}