var seq = 0;
$(function()
{
	$("#sidebar_pad h2:not(:first-child)").css("visibility", "hidden");
	$("#slides li:not(:first-child)").css("visibility", "hidden");
	$("#slide-nav a").click(function()
	{
		seq = $(this).parent().attr("id").replace("slidenav-", "");
		
		$("#slides li").css("visibility", "hidden");
		$("#sidebar_pad h2").css("visibility", "hidden");
		$("#slides li:nth-child(" + seq + ")").css("visibility", "visible");
		$("#sidebar_pad h2:nth-child(" + seq + ")").css("visibility", "visible");
		
		return false;
	});
	$("#tell-a-friend form").submit(function(e)
	{
		var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		var email_val = $("#tell-a-friend input:first").val();
		if(email_val.match(emailRegEx))
		{
			$.post($(this).attr("action"), $(this).serialize(), function(data)
			{

				$("#tell-a-friend").animate({ opacity:0 }, 500, function()
				{
					$(this).html("<h3>Success!</h3><p>A link to this page has been sent to your friend.</p>").animate({ opacity:1 }, 500);
				});
			});
		} else
		{
			$("#tell-a-friend label").addClass("error").text("Please enter a valid email address.");
		}
		
		e.preventDefault();
	});
});