$(function() {
	
	$.num_campaign_unit_group = $("div.campaign_unit_group").size();
	
	$.campaign_unit_group = 1;
	
	//navigating campaigns
	hs = $("#choose-campaign_unit_nav span.page_number")
	hs.click(function() {
		hs.removeClass("current");
		$.campaign_unit_group = $(this).attr("rel");
		$("div.campaign_unit_group").css("display", "none");
		$("#group_"+$.campaign_unit_group).addClass("current");
		
		$("#loading-circle").show();
		setTimeout(function() {
			$("#choose-campaign_unit_group_" + $.campaign_unit_group).fadeIn(1000);
			$("#loading-circle").hide();
		}, 1000);
	
	});
	
	$("#choose-shout_nav span.nav").click(function(){
		
		id = $(this).attr("id");
		
		if (id == 'previous') {
			$.campaign_unit_group--;
		} else {
			$.campaign_unit_group++;
		}
		if ($.campaign_unit_group > $.num_campaign_unit_group) {
			$.campaign_unit_group = 1;
		}
		if ($.campaign_unit_group < 1) {
			$.campaign_unit_group = $.num_campaign_unit_group;
		}
		$("div.campaign_unit_group").css("display", "none");
		$("#loading-circle").show();
		setTimeout(function() {
			hs.removeClass("current");
			$("#choose-campaign_unit_group_" + $.campaign_unit_group).fadeIn(1000);
			$("#group_" + $.campaign_unit_group).addClass("current");
			$("#loading-circle").hide();
		}, 1000);
	})
	

});