window.on('load',function(event){
	$$(".nav-center a").forEach(function(item){
		item.on('mouseover', function(event){
			item.getParent().getParent().addClass("hover");
			item.getParent().getParent().getPreviousChild().addClass("hover");
			item.getParent().getParent().getNextChild().addClass("hover");
		});
		
		item.on('mouseout', function(event){
			item.getParent().getParent().removeClass("hover");
			item.getParent().getParent().getPreviousChild().removeClass("hover");
			item.getParent().getParent().getNextChild().removeClass("hover");
		});
	});
	
	jQuery(".one-arrow").bind('mouseleave', function(event) {
		jQuery('.one-arrow img')[0].src='/i/btn-one-arrow-over.png';
	});
	jQuery(".one-arrow").bind('mouseenter', function(event) {
		jQuery('.one-arrow img')[0].src='/i/btn-one-arrow.png';
	});
	
	jQuery(".two-arrows").bind('mouseleave', function(event) {
		jQuery('.two-arrows img')[0].src='/i/btn-two-arrows-over.png';
	});
	jQuery(".two-arrows").bind('mouseenter', function(event) {
		jQuery('.two-arrows img')[0].src='/i/btn-two-arrows.png';
	});
	
});