function checkForm()
{
  document.contactForm1.NameFirst.style.border = ""
    
  if (document.contactForm1.NameFirst.value == "")
  {
    alert("First Name field is required")
    document.contactForm1.NameFirst.style.border = "1px solid red"
    document.contactForm1.NameFirst.focus()
   return false
  }
  
  if (document.contactForm1.Email.value != "")
  {
	  substremail = document.contactForm1.Email.value.split("@")
	  if (substremail.length > 1)
	  {
		index = substremail[1].indexOf(".")
		if (index == -1)
		{
			alert("Please provide a proper email address.")
			document.contactForm1.Email.style.border = "1px solid red"
			document.contactForm1.Email.focus()
			return false
		}
		else
		{
		  return true
		}
	  }
		alert("Please provide a proper email address.")
		document.contactForm1.Email.style.border = "1px solid red"
		document.contactForm1.Email.focus()
		return false
  }
  
  return true
}