Event.observe(window, "load", function() {
  if ($F('monat_selector') > 0 && $F('jahr_selector') == 0){ $('jahr_selector').selectedIndex = 1; }
  else if ($F('monat_selector') == 0) {
    $('jahr_selector').selectedIndex = 0;
  }
  if($('kategorie_selector')) {
    Event.observe($('kategorie_selector'), 'change', function() {
      $('preselect').submit();
    });
  }
  Event.observe($('monat_selector'), 'change', function() {
    $('preselect').submit();
  });
  Event.observe($('jahr_selector'), 'change', function() {
    $('preselect').submit();
  });
  if ($('merken')) {
    Event.observe($("merken"), "click", function(eventObj) {

      var ok_img = document.createElement("img");
      ok_img.setAttribute('src', "/images/ok.png");
      ok_img.setAttribute('id', "okimg");
      if (!$("okimg")) { $("merken").up().insertBefore(ok_img, $("merken")); }
      new Ajax.Updater('merkzettellink', $('merken').href, {asynchronous:true, evalScripts:false, onSuccess:function() {
                        var ok_img = document.createElement("img");
                        ok_img.setAttribute('src', "/images/ok.png");
                        ok_img.setAttribute('id', "okimg");
                        if (!$("okimg")) { $("merken").up().insertBefore(ok_img, $("merken")); }
                      }
                      });
      Event.stop(eventObj);
    });
  }
});