var on = true;
var off = false;
var go = true;
var no_go = false;


if (document.images)
{
  alttekst = 0;
  home = 1;
  doek1 = 2;
  doek2 = 3;
  steen = 4;
  keramiek = 5;
  maximg = 6;
  var keuze = maximg;

  off_img = new Array(maximg);
  for (var i = 0; i < maximg; i++) { off_img[i] = new Image(); }
  on_img = new Array(maximg);
  for (var i = 0; i < maximg; i++) { on_img[i] = new Image(); }
  sel_img = new Array(maximg);
  for (var i = 0; i < maximg; i++) { sel_img[i] = new Image(); }

  off_img[home].src = '../images/navigatie1.gif';
  off_img[doek1].src = '../images/navigatie1.gif';
  off_img[doek2].src = '../images/navigatie1.gif';
  off_img[steen].src = '../images/navigatie1.gif';
  off_img[keramiek].src = '../images/navigatie1.gif';

  on_img[home].src = '../images/navigatie2.gif';
  on_img[doek1].src = '../images/navigatie2.gif';
  on_img[doek2].src = '../images/navigatie2.gif';
  on_img[steen].src = '../images/navigatie2.gif';
  on_img[keramiek].src = '../images/navigatie2.gif';

}
function putImg(id,status,sel)
{
  if (document.images)
  {
    if (!sel && (eval(id) != keuze))
    {
      if (status == on)
      {
        document.images[id].src = on_img[eval(id)].src;
      }
      else
      {
        document.images[id].src = off_img[eval(id)].src;
      };
    };
    if (sel)
    {
      if (keuze != maximg)
      {
        document.images[eval(keuze)].src = off_img[keuze].src;
      }
      keuze = eval(id);
      document.images[id].src = sel_img[keuze].src;
    }
  }
}