$(document).ready(function ()
	{

		$(".show_event").click(function ()
		{
			var itemID = parseInt($(this).attr("rel"));
			var content = $("#event_" + itemID).html();
			$("#event_div").html(content);
			$("#event_div").show();
			$("#events_div").hide();
		});

		$(".show_reference").click(function ()
		{
			var itemID = parseInt($(this).attr("rel"));
			var content = $("#reference_" + itemID).html();
			$("#reference_div").html(content);
			$("#reference_div").show();
			$("#references_div").hide();
		});

		$("#button_submit").click(function ()
		{
			var errorStr = "";
			var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);

			if ($("#first_name").val() == "")
			{
				errorStr += "Enter First Name.<br />";
			}

			if ($("#last_name").val() == "")
			{
				errorStr += "Enter Last Name.<br />";
			}

			if ($("#email").val() == "")
			{
				errorStr += "Enter Your Email.<br />";
			}
			else if (!pattern.test($("#email").val()))
			{
				errorStr += "Invalid Email.<br />";
			}

			if ($("#university").val() == "")
			{
				errorStr += "Enter University Name.<br />";
			}

			if ($("#message").val() == "")
			{
				errorStr += "Enter Your Message.<br />";
			}

			if (errorStr == "")
			{
				$("#contact_form").submit();
			}
			else
			{
				$("#error_div").html(errorStr);
				$("#error_div").show();
			}
		});
	});

	function hideEventDiv()
	{
		$("#event_div").html("");
		$("#event_div").hide();
		$("#events_div").show();
	}

	function hideReferenceDiv()
	{
		$("#reference_div").html("");
		$("#reference_div").hide();
		$("#references_div").show();
	}