function validateForm()
{
        if(document.register.FirstName.value.length < 2)
        {
                alert("You must enter a First Name.");
                document.register.FirstName.focus();
                document.register.FirstName.select();
                return false;
        }
  if (document.register.Tel.value == "")
  {
    alert("Please enter a valid Telephone No.");
    document.register.Tel.focus();
    document.register.Tel.select();
    return (false);
  }

  if (document.register.Tel.value.length < 7)
  {
    alert("Please enter at least 7 digits in the Telephone No. field.");
    document.register.Tel.focus();
    document.register.Tel.select();
    return (false);
  }

  if (document.register.Tel.value.length > 15)
  {
    alert("Please enter at most 15 digits in the Telephone No. field.");
    document.register.Tel.focus();
    document.register.Tel.select();
    return (false);
  }

  var checkOK = "0123456789-.,";
  var checkStr = document.register.Tel.value;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("Please enter only digits in the Telephone No. field.");
    document.register.Tel.focus();
    document.register.Tel.select();
    return (false);
  }

  if (decPoints > 1)
  {
    alert("Please enter a valid number in the Telephone No. field.");
    document.register.Tel.focus();
    return (false);
  }
        if(document.register.Email.value.length > 1)
        {
                newString = new String(document.register.Email.value);
                if(newString.search(/[\w_\.-]+@[\w-_\.]+\.\w{2,3}/gi) != 0)
                {
                        alert("You must enter a valid Email Address");
                        document.register.Email.focus();
                        document.register.Email.select();
                        return false;
                }
        }
        else
        {
                alert("You must enter a valid Email Address");
                document.register.Email.focus();
                document.register.Email.select();
                return false;
        }
        if(document.register.feedNote.value.length < 2)
        {
                alert("You must enter your feedNote.");
                document.register.feedNote.focus();
                document.register.feedNote.select();
                return false;
        }
        
       
}