$(document).ready(function () {

// this makes the script degrade gracefully
$('#sidebar ul#sidebar_menu li ul').addClass('init'); 

	$('h2.menu_head').click(function () {
	 var $this = $(this);
	 whichone = '.' + this.id + 'b';
	 if( $this.is('.active') ) {
		    $(whichone).toggle("fast");
		    $this.removeClass('active');
	 }
	 else {
		    $(whichone).toggle("fast");
		    $this.addClass('active');
	 }
	 return false;
	});

});