// JavaScript Document

window.addEvent('domready', function() {
	
	// Menu Bas
	if($$('.ro_item')) {
		
		var elems = $$('.ro_item');
		
		elems.each(function(item, index) {
			item.addEvent('mouseover', function(e) {
				$(item.get('rel')).setStyle('display', 'block');
			});
			item.addEvent('mouseout', function(e) {
				$(item.get('rel')).setStyle('display', 'none');
			});
		});
	}
	
	if($('welcome')) {
	/* settings */
		var list = $('welcome').getFirst('ul');
		var items = list.getElements('li');
		var showDuration = 5000;
		var scrollDuration = 500;
		var index = 0;
		var height = items[0].getSize().y;
		/* action func */
		var move = function() {
			list.set('tween',{
				duration: scrollDuration,
				onComplete: function() {
					if(index == items.length - 1) {
						index = 0 - 1;
						list.scrollTo(0,0);
						//list.setStyle('top', 0 + height);
					}
				}
			}).tween('top',0 - (++index * height));
		};
		/* go! */
		window.addEvent('load',function() {		
			move.periodical(showDuration);
		});
	}
	
	
});