$(document).ready(function(){
  
//Tabs

$("#tabs > ul").tabs({
fx:{
opacity: "toggle", duration:"fast"}
}).tabs("rotate", 10000, true);

  
  //Slidepanel
  
    var $div = $('#slidepanel');
    var height = $div.height();
    $div.hide().css({ height : 0 });

    $('#btn-openbanner').click(function () {
    $('#btn-openbanner, #banner-shadow').toggleClass('open');
        if ($div.is(':visible')) {
            $div.stop().animate({ height: 0 }, { duration: 1000, complete: function () { //added the .stop in there.
                $div.hide();
            } });
        } else {
            $div.show().stop().animate({ height : height }, { duration: 1000 });
        }
        
        return false;
    });
    
    
    
    });//end