window.addEvent('domready', function()
{

   function setFilter() {
   
      if ( $('typ1').options[$('typ1').selectedIndex].defaultSelected != true
        || $('typ2').options[$('typ2').selectedIndex].defaultSelected != true
        || $('verkauf').options[$('verkauf').selectedIndex].defaultSelected != true
        || $('zuchtverband').options[$('zuchtverband').selectedIndex].defaultSelected != true
        || $('geschlecht').options[$('geschlecht').selectedIndex].defaultSelected != true )
        
        $('typ1').form.submit();
   
   }
   

	$('typ1').addEvent('change', setFilter);
	$('typ2').addEvent('change', setFilter);
	$('geschlecht').addEvent('change', setFilter);
	$('verkauf').addEvent('change', setFilter);
	$('zuchtverband').addEvent('change', setFilter);


   if( $('typ1').value=='dt. Reitpony' )
      $('typ2').disabled = true;
   else
      $('typ2').disabled = false;
      

});