var showingHestMenu=1;
  var showingHundMenu=1;


  // ##################################################
  function ChangeDisplayMode(id, newdisplay) {
    //safe function to show an element with a specified id
		  
    if (document.getElementById) { // DOM3 = IE5, NS6
      document.getElementById(id).style.display = newdisplay; // 'block';
    }
    else {
      if (document.layers) { // Netscape 4
	document.id.display = newdisplay; // 'block';
      }
      else { // IE 4
	document.all.id.style.display = newdisplay; // 'block';
      }
    }
  }

  // ##################################################
  function KlikHest() {
    if (showingHestMenu==1)  {
      ChangeDisplayMode('hest1', 'none');
      ChangeDisplayMode('hest2', 'none');
      ChangeDisplayMode('hest3', 'none');
      ChangeDisplayMode('hest4', 'none');
      ChangeDisplayMode('hest5', 'none');
      ChangeDisplayMode('hest6', 'none');
      ChangeDisplayMode('hest7', 'none');
      ChangeDisplayMode('hest8', 'none');
      ChangeDisplayMode('hest9', 'none');
      showingHestMenu=0;
    }
    else {
      ChangeDisplayMode('hest1', 'block');
      ChangeDisplayMode('hest2', 'block');
      ChangeDisplayMode('hest3', 'block');
      ChangeDisplayMode('hest4', 'block');
      ChangeDisplayMode('hest5', 'block');
      ChangeDisplayMode('hest6', 'block');
      ChangeDisplayMode('hest7', 'block');
      ChangeDisplayMode('hest8', 'block');
      ChangeDisplayMode('hest9', 'block');
       showingHestMenu=1;
    }
  }
  function KlikHund() {
    if (showingHundMenu==1)  {
      ChangeDisplayMode('hund1', 'none');
      ChangeDisplayMode('hund2', 'none');
      ChangeDisplayMode('hund3', 'none');
      ChangeDisplayMode('hund4', 'none');
      ChangeDisplayMode('hund5', 'none');
      showingHundMenu=0;
    }
    else {
      ChangeDisplayMode('hund1', 'block');
      ChangeDisplayMode('hund2', 'block');
      ChangeDisplayMode('hund3', 'block');
      ChangeDisplayMode('hund4', 'block');
      ChangeDisplayMode('hund5', 'block');
      showingHundMenu=1;
    }
  }