function CheckNewsletterSignup()
{
	var email = document.getElementById('email_mailchimp').value;
	var zip = document.getElementById('zip').value;
	var dining_nl = document.getElementById('dining_nl').checked;
	var family_nl = document.getElementById('family_nl').checked;
	var entertainment_nl = document.getElementById('entertainment_nl').checked;
	var recreation_nl = document.getElementById('recreation_nl').checked;
	var business_nl = document.getElementById('business_nl').checked;
	var culture_nl = document.getElementById('culture_nl').checked;
	
	if ((email != "") && (zip != "") && ((dining_nl == true) || (family_nl == true) ||(entertainment_nl == true) || (recreation_nl == true) || (business_nl == true) || (culture_nl == true)))
	{
		if ((zip.length == 5) && !isNaN(zip))
		{
			document.getElementById('subscribe').disabled = false;
			document.getElementById('subscribe').style.color = "#000000";
		}
		else
		{
			alert("The zip code you entered does not appear to be valid.  Please try again.");
			document.getElementById('subscribe').disabled = true;
			document.getElementById('subscribe').style.color = "#999999";
		}
	}
	else
	{
		document.getElementById('subscribe').disabled = true;
		document.getElementById('subscribe').style.color = "#999999";
	}
  
  	if (dining_nl == true)
      document.getElementById('not_dining').value = "";
  	else
      document.getElementById('not_dining').value = "Not_Dining";
  	if (family_nl == true)
      document.getElementById('not_family').value = "";
  	else
      document.getElementById('not_family').value = "Not_Family";
  	if (entertainment_nl == true)
      document.getElementById('not_entertainment').value = "";
  	else
      document.getElementById('not_entertainment').value = "Not_Entertainment";
  	if (recreation_nl == true)
      document.getElementById('not_recreation').value = "";
  	else
      document.getElementById('not_recreation').value = "Not_Recreation";
	if (business_nl == true)
      document.getElementById('not_business').value = "";
  	else
      document.getElementById('not_business').value = "Not_Business";
	if (culture_nl == true)
      document.getElementById('not_culture').value = "";
  	else
      document.getElementById('not_culture').value = "Not_Culture";
}