$(function(){
	$("#promotions .photo").hide();
	$("#promotions .photo:first").show();
	bt_promo_selected(0);
	
	$("#promotions").everyTime(4000, 'promo_timer', function(){
		var jq_next_promo = $("#promotions .photo:visible").next("#promotions .photo");
		$("#promotions .photo:visible").hide();
		
		if (!jq_next_promo.is("div")){
			jq_next_promo = $("#promotions .photo:first");
		}
		jq_next_promo.show();
		
		bt_promo_selected(jq_next_promo.prevAll(".photo").length);
	});
	
	$(".bt_promo").click(function(){
		$("#promotions").stopTime('promo_timer');
		
		var promo_index = $(this).prevAll(".bt_promo").length;
		
		$("#promotions .photo:visible").hide();
		$("#promotions .photo").eq(promo_index).show();
		
		bt_promo_selected(promo_index);
		
		return false;
	});
})

function bt_promo_selected(index){
	$(".bt_promo").siblings(".selected").removeClass("selected");
	$(".bt_promo").eq(index).addClass("selected");
}