$(document).ready(function(){
  $("div.subcategorylistwindow").jqm({
    trigger: "a.subcatlist",
    ajax: "@href",
    overlay: 60
  });

  $("div#downloadpicturewindow").jqm({
    trigger: "a.downloadlink",
    ajax: "@href",
    closeClass: "closelink",
    overlay: 60,
    onShow: showPreviewWindow,
    onHide: hidePreviewWindow
  });
});

function showPreviewWindow(h) {
  $('#downloadpicturewindow').html('');
  h.w.css('opacity',0.99).slideDown();
}

function hidePreviewWindow(h) {
  h.w.fadeOut('2000', function(){
    h.o.remove();
  });
}