jQuery(document).ready(function() {

   // Hide/show the search form
   jQuery('#block-search-form form').hide();
   jQuery('#block-search-form').hover(
      function() {
         jQuery('#block-search-form h2').fadeOut();
         jQuery('#block-search-form form').fadeIn();
      },
      function() {
         jQuery('#block-search-form form').fadeOut();
         jQuery('#block-search-form h2').fadeIn();
      }
   );

})
;