// JavaScript Document

  function validEmail(email)

  {

    invalidChars = " /:,;"

    

    if (email == "")

      return false

    

    for (i=0; i<invalidChars.length; i++)

    {

      badChar = invalidChars.charAt(i)

      if (email.indexOf(badChar,0)>-1)

        return false

    }

    

    atPos = email.indexOf("@",1)

    if (atPos == -1)

      return false

    

    if (email.indexOf("@",atPos+1) != -1)

      return false

    

    periodPos = email.indexOf(".",atPos)

    if (periodPos == -1)

      return false

    

    if (periodPos+3 > email.length)

      return false

    

    return true

  }



  function submitIt1(chkForm)

  {

    if (!validEmail(chkForm.email.value))

    {

      alert("Invalid email address")

      return false

    }

	

	subOption = -1

	for (i = 0; i < chkForm.subscribe.length; i++)

	{

	  if (chkForm.subscribe[i].checked)

	  {

	    subOption = i

	  }

	}

	if (subOption == -1)

	{

	  alert("You must choose subscribe or unsubscribe")

	  return false

	}

	

    return true

  }