// Animate DIV
  jQuery(document).ready(function($){
  jQuery.easing.def = 'easeOutQuart';

    $(".pullDown").toggle(function(){
	  $("#container_folder").animate({ top:"0" }, 1000 )
	  
	  },function(){
	  $("#container_folder").animate( { top:"-250px" }, 1000 );
	});

  });