var current_promo = 1;

$(document).ready(function(){
	timer = window.setTimeout(function() {
				next_promo();
			}, 3000);

	function next_promo() {
		current_promo = current_promo + 1;
		
		if (current_promo == 11)
			current_promo = 1;
		
		$("#media-promo .slide").hide();
		$("#media-promo #" + current_promo).show('slow');
		
		timer = window.setTimeout(function() {
				next_promo();
			}, 3000);
	}

});