$(document).ready(function(){

$.fn.fadeToggle = function(speed, easing, callback) {
   return this.animate({opacity: 'toggle'}, speed, easing, callback);

};

$.fn.heightToggle = function(speed,easing,callback){
	return this.animate({height: 'toggle'}, speed, easing, callback);
	};
	
$.fn.heightFadeToggle = function(speed,easing,callback){
	return this.animate({height: 'toggle', opacity: 'toggle'}, speed, easing, callback);
	};


$('#gnav ul li').hoverIntent(
								 
			function() {
					$(this).addClass('hovered');
					$('ul', this).heightFadeToggle(200);	
			},
			function() {
					$(this).removeClass('hovered');
					$('ul', this).heightFadeToggle(500);
			});

});