$(function () 
{
//    $(document).pngFix(); 	

	var email_signup_form = $("#signup_form");
	
	var signup_input = $("#signup_input");	
		
	if (signup_input)
	{	
		var initial_value = signup_input.val();
		
		signup_input.focus(function () {
		
			$(this).val("");	
		
		}).blur(function () {
		
			if ($(this).val() === "")
			{
				$(this).val(initial_value);
				
			}		
		});	
	}
	
	if (email_signup_form)
	{
		email_signup_form.submit(function () {
		
			return false;
		
			if (signup_input)
			{
				if (signup_input.val() === "email" || signup_input.val() === "")
				{
					alert("You must enter a valid email address.");
					signup_input.focus();
				}
				else
				{
					window.open($(this).attr("action") + "&e=" + signup_input.val());		
				}				
			}

			return false;			
		
		});
	}
	
	$("ul.sub_nav").closest("li").hover(function () {	
		$(this).find("ul").show();	
	},
	function () {
		$(this).find("ul").hide();	
	});
	
	$("#header").click(function () {
	
		window.location.href = "/"; 
	
	});
	
	$("a.sub_nav_container").click(function () {
	
		return false;
	
	});
});