$(document).ready(function(){
$('#navigation li').hover(
	function() {
		$('ul', this).animate({
			height: 'toggle'
		  }, {
			duration: 250, 
			specialEasing: {
			  height: 'linear'
			}, 
			complete: function() {}
		  });
		//$('ul', this).css('display', 'block');
	},
	function() {
		$('ul', this).animate({
			height: 'toggle'
		  }, {
			duration: 250, 
			specialEasing: {
			  height: 'linear'
			}, 
			complete: function() {}
		  });
		//$('ul', this).css('display', 'none');
	});
});