/*
function expand_menu()
{

	var expandableMenuItems=$('menu').getElements('li.expandable');	
	var subMenues=$('menu').getElements('ul');
	
	$each(expandableMenuItems, function(expandableMenuItem){
	
		var executeLink=$(expandableMenuItem).getElement('a');
		
		$(executeLink).addEvent('click', function(){
		
			$each(subMenues, function(subMenu){
				if(subMenu.getSize().y>1)
				{
				$(subMenu).setStyle('overflow', 'hidden');
				var effect=new Fx.Morph(subMenu, { 
				fps: 100
				});
				effect.start({'height': 1});
				} 
			});		
		
		var thisUl=$(executeLink).getParent().getElement('ul');

			var effect=new Fx.Morph($(thisUl), { 
			fps: 100
			});

			if($(thisUl).getSize().y==1) effect.start({'height': $(thisUl).getScrollSize().y});
			else effect.start({'height': 1});
		
		return false;
		
		});
		
	});
}
*/

function expand_menu()
{
	var activeElement=$('menu').getElement('a.active');
	var expandableUl=$(activeElement).getParent().getElement('ul');

	if($(expandableUl))
	{
		if($(expandableUl).getSize().y==1) 
		{
		
		var effect=new Fx.Morph($(expandableUl), { 
		fps: 100
		});		
		
		effect.start({'height': $(expandableUl).getScrollSize().y});
		}
	}
}