image1on = new Image();
image1on.src = "gif/arrow_a.gif";
image1off = new Image();
image1off.src = "gif/arrow.gif";
image2on = new Image();
image2on.src = "gif/arrow_a.gif";
image2off = new Image();
image2off.src = "gif/arrow.gif";
image3on = new Image();
image3on.src = "gif/arrow_a.gif";
image3off = new Image();
image3off.src = "gif/arrow.gif";
image4on = new Image();
image4on.src = "gif/arrow_a.gif";
image4off = new Image();
image4off.src = "gif/arrow.gif";
image5on = new Image();
image5on.src = "gif/arrow_a.gif";
image5off = new Image();
image5off.src = "gif/arrow.gif";
image6on = new Image();
image6on.src = "gif/arrow_a.gif";
image6off = new Image();
image6off.src = "gif/arrow.gif";
image7on = new Image();
image7on.src = "gif/arrow_a.gif";
image7off = new Image();
image7off.src = "gif/arrow.gif";
image8on = new Image();
image8on.src = "gif/arrow_a.gif";
image8off = new Image();
image8off.src = "gif/arrow.gif";
image9on = new Image();
image9on.src = "gif/arrow_a.gif";
image9off = new Image();
image9off.src = "gif/arrow.gif";
image111on = new Image();
image111on.src = "gif/arrow_top_a.gif";
image111off = new Image();
image111off.src = "gif/arrow_top.gif";

function imageon(myname)
{
 imgOn = eval("image" +myname +"on.src");
 document["image" + myname].src = imgOn;
}
function imageoff(myname)
{
 imgOff = eval("image" +myname +"off.src");
 document["image" + myname].src = imgOff;
}

/*
function ShowBig(picture)
 {
  window.open(picture,"Bildanzeige","width=450,height=600,screenX=20,screenY=20,resizable=no");
 }

 function ShowBig2(picture)
 {
  window.open(picture,"Bildanzeige","width=600,height=450,screenX=20,screenY=20,resizable=no");
 }

function formular()
 {
  if (document.kontakt.firma.value== "")
      {
       alert("Bitte geben Sie den Firmennamen ein.");
       document.kontakt.firma.focus();
       return false;
      }
  if (document.kontakt.name.value== "")
      {
       alert("Bitte geben Sie den Namen ein.");
       document.kontakt.name.focus();
       return false;
      }

  else
   {
      alert("Ihre Daten sind versand worden.")
   }
  }
*/