window.addEvent('domready', function(){

	$$('a[rel=external]').setProperty('target', '_blank');
	
	menuLiEffect();

});

var menuLiEffect = function(){
	
	$$('.menu > li').addEvent('mouseenter', function(){
	
		this.addClass('hover');
		
	}).addEvent('mouseleave', function(){
	
		(function(){ this.removeClass('hover'); }).delay(300, this);
		
	});
	
}