function validateRegisterForm(form)
{ if (form.realname.value == "")
  { alert("Please enter your name.")
    form.realname.focus()
    return false
  }

  if (form.Address.value == "")
  { alert("Please enter your address.")
    form.Address.focus()
    return false
  }

  if (form.City.value == "")
  { alert("Please enter your city.")
    form.City.focus()
    return false
  }

  if (form.State.value == "")
  { alert("Please select your state.")
    form.State.focus()
    return false
  }

  if (form.Zip.value == "")
  { alert("Please enter your zip code.")
    form.Zip.focus()
    return false
  }

  if (form.Phone.value == "")
  { alert("Please enter your phone and/or fax number.")
    form.Phone.focus()
    return false
  }

  if (form.email.value == "")
  { alert("Please enter your email address.")
    form.email.focus()
    return false
  }

  var str = form.email.value;        
  var re = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/
  var error;

  if (!str)
  { alert("Please enter your email address.");
    form.email.focus();
    return false;
  }

  if (!re.test(str))
  { alert("Please enter a valid email address.");
    form.email.focus();
    return false;
  }

  return true
}