$(document).ready(function(){
	$(".link_access").click(function () {
      if ($('#header_hidden').is(":hidden")) {
		$('#header_hidden').stop().animate( {
			height: "show"
		}, {
			duration : 1000,
			easing : 'easeOutQuart'
		});
      } else {
		$('#header_hidden').stop().animate( {
			height: "hide"
		}, {
			duration : 1000,
			easing : 'easeOutQuart'
		});
      }
      return false;
	});
});