function checkNewsletterForm()
{
  document.newsletterForm1.email1.style.className = "type3"
    
  if (document.newsletterForm1.email1.value == "")
  {
    alert("Your email address is required to sign up for the newsletter.")
    document.newsletterForm1.email1.className = "type3warning"
    document.newsletterForm1.email1.focus()
   return false
  }
  
  if (document.newsletterForm1.email1.value != "")
  {
	  substremail1 = document.newsletterForm1.email1.value.split("@")
	  if (substremail1.length > 1)
	  {
		index = substremail1[1].indexOf(".")
		if (index == -1)
		{
			alert("Please provide a proper email address.")
			document.newsletterForm1.email1.className = "type3warning"
			document.newsletterForm1.email1.focus()
			return false
		}
		else
		{
		  return true
		}
	  }
		alert("Please provide a proper email address.")
		document.newsletterForm1.email1.className = "type3warning"
		document.newsletterForm1.email1.focus()
		return false
  }
  
  return true
}