OnMouseOver

<script language=javascript>
<!-- // hide script from old browsers

// define images

if(document.images) {

  image01 = new Image;
  image02 = new Image;
  image11 = new Image;
  image12 = new Image;
  image21 = new Image;
  image22 = new Image;

 
// source images

  image01.src = \"./images/debdot1.gif\";
  image02.src = \"./images/debdot2.gif\";
  image11.src = \"./images/boldot1.gif\";
  image12.src = \"./images/boldot2.gif\";
  image21.src = \"./images/intdot1.gif\";
  image22.src = \"./images/intdot2.gif\";

}

// MouseOver Function

function swapOn(imgLocation) {
  if(document.images) {
    document.images[imgLocation].src = eval(imgLocation + \"2.src\");
  }
}

// MouseOut Function

function swapOff(imgLocation) {
  if(document.images) {
    document.images[imgLocation].src = eval(imgLocation + \"1.src\");
  }
}

// end hiding script -->
</script>
</HEAD>



      <A HREF=\"http://www.xxx.dk/\" title=\"Gå til\" target=level2 onMouseOver=\"swapOn(\'image0\');\" onMouseOut=\"swapOff(\'image0\');\">
      <IMG SRC=\"./images/debdot1.gif\" WIDTH=\"118\" HEIGHT=\"25\" ALIGN=\"BOTTOM\" BORDER=\"0\" name=\"image0\"></A>
       
      <A HREF=\"http://www.xxx.dk/\" title=\"Gå til\" target=level2 onMouseOver=\"swapOn(\'image1\');\" onMouseOut=\"swapOff(\'image1\');\">
      <IMG SRC=\"./images/boldot1.gif\" WIDTH=\"118\" HEIGHT=\"18\" ALIGN=\"BOTTOM\" BORDER=\"0\" name=\"image1\"></A>

      <A HREF=\"http://www.xxx.dk/\" title=\"Gå til\" target=level2 onMouseOver=\"swapOn(\'image2\');\" onMouseOut=\"swapOff(\'image2\');\">
      <IMG SRC=\"./images/intdot1.gif\" WIDTH=\"118\" HEIGHT=\"18\" ALIGN=\"BOTTOM\" BORDER=\"0\" name=\"image2\"></A>

Tak for hjælpen, wzarlon :)..!!

anytime :o)