$(document).ready(function(){
 $('#sidebar-left div.block > h2').addClass('blocktitle');
 $('#sidebar-left div.block div.content').hide();
 $('#sidebar-left div.block div.content:has(a.active)').show().prev().addClass('blocktitleopen');
 $('div.sidebar:not(:has(a.active)) div.block div.content:eq(0)').show().prev().addClass('blocktitleopen');
 $('#sidebar-left div.block > h2').click( function() { 
   $('#sidebar-left div.block > h2').siblings('div.content:visible').slideUp('fast').prev().removeClass('blocktitleopen');
   $(this).next('div.content:hidden').slideDown('fast').prev().addClass('blocktitleopen');
 });
});