function check_post(form)
	{	
		if (document.newsletter_form)
			{
				if (form.email.value == null ||
					form.email.value == "" ||
					form.email.value == "Email address")
						{
							alert("You must enter your email address to continue.");
							form.email.focus();
							return false;
						}
			}

		return true;
	}