Element.extend(
{
	hideMenuElt: function() 
	{
        this.setStyle('display', 'none');
	    parentA = $(this.parentNode);
	    $E('a',parentA).removeClass('ariane');
	},
	showMenuElt: function() 
	{
	    this.setStyle('display', 'block');
	    parentA = $(this.parentNode);
	    $E('a',parentA).addClass('ariane');   
	}
});
var DropdownMenu = new Class({	
	initialize: function(element)
	{
		$ES('li ul',element).each(function(el)
		{   
		        el.hideMenuElt();
				elParent = $(el.parentNode);
				elParent.addEvent('mouseover', function()
				{
            	    elParent.addClass('hover');
				    el.showMenuElt();
				});
				elParent.addEvent('mouseout', function()
				{
				    elParent.removeClass('hover');
					el.hideMenuElt();	
				});
		});
		return this;
	}
});
function processMenuEffects (){
	var myMenus = new DropdownMenu('#navigation ul');
}
window.onDomReady(processMenuEffects);