$(document).ready
  (
  function()
    {
    $("#buchung").bind("submit", function()
                                       {
                                       $.fancybox({
                                                    type:'iframe',
                                                    href:'about:blank',
                                                    'width':'75%',
                                                    'height':'85%',
                                                    'autoScale':false,
                                                    'transitionIn':'none',
                                                    'transitionOut':'none',
                                                    'hideOnContentClick':false,
                                                    'onClosed':function(){SlideShowShow();},
                                                    'onStart':function(){SlideshowHide();},
                                                    'titleShow':false
                                                  });
                                       $(this).attr('target',$('#fancybox-frame').attr('name'));
                                       return true;
                                       }
                          );
    $(".inpopup").fancybox({
                            type:'iframe',
                            'width':'75%',
                            'height':'85%',
                            'autoScale':false,
                            'transitionIn':'none',
                            'transitionOut':'none',
                            'hideOnContentClick':false,
                            'onClosed':function(){SlideShowShow();},
                            'onStart':function(){SlideshowHide();},
                            'titleShow':false
                          });
    }
  );