/**
 * @author foxxbat
 */
var Pi = {};
Pi.Menu = {};
Pi.Menu.collapseAllMenuItems = function(){
	$('main-menu').getElements('li').each(function(li){
		Pi.Menu.collapseMenuItem(li);
	});
}
Pi.Menu.expandMenuItem = function(item){
	item.tween.delay(300, item, ['width',800]);
}
Pi.Menu.collapseMenuItem = function(item){
	item.tween.delay(900, item, ['width',item.getProperty('original')]);
}
document.addEvent('domready',function(e){
	$$('ul#main-menu > li').each(function(li){
		//keep the original size for later use
		li.setProperty('original', li.getStyle('width'));
		//set the element tweens and observe
		li.set('tween',{
			unit: 'px',
			duration: 750,
			transition: Fx.Transitions.Cubic.easeInOut,
			link: 'cancel'
		});
		li.addEvent('mouseleave',Pi.Menu.collapseMenuItem.pass(li));
		li.addEvent('mouseenter',Pi.Menu.expandMenuItem.pass(li));
	});
});