window.addEvent("load", function(e){
	var main_ad_meta = $('main_ad_meta').set('opacity',0.65);
	var main_ad_imgs = $('main_ad').getElements('span');
	var main_ad_meta_objects = [];
	for(i=0; i<main_ad_imgs.length; i++){
		main_ad_meta_objects.push({img:main_ad_imgs[i]});
	}
	if(main_ad_imgs.length < 2){
		$('main_ad_prev').setStyle('display', 'none');
		$('main_ad_next').setStyle('display', 'none');
	}
	var main_ad_ns = new noobSlide({
		mode: 'vertical',
		box: $('main_ad'),
		size: 400,
		interval: 4500,
		autoPlay: true,
		items: main_ad_meta_objects,
		addButtons: {
			previous: $('main_ad_prev'),
			next: $('main_ad_next')
		},
		onWalk: function(currentItem){
			
		}
	});
});