$(document).ready(function(){
  $(".panel .head[id^='sidebar-']").click(function(){
    p = this.id.split('-');
    body = $("#"+p[0]+"-"+p[1]+"-body");
    if (body.is(':visible'))
      body = null;

    $(".panel .body").hide();

    val = null;
    if (body) {
      val = "#"+p[0]+"-"+p[1]+"-body";
      body.toggle();
    }
    
    $.cookie('selpanel', val, {expires: 12345, path: '/'});
  });

  var sp = $.cookie('selpanel');
  if (sp) $(sp).show();
});