ปัญหาการเพิ่งข้อมูลระบบฐานข้อมูลรับค่าแล้วเก็บข้อมูลเป็น 2147483647 ครับ

<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "") 
{
  $theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;

  $theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);

  switch ($theType) {
    case "text":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;    
    case "long":
    case "int":
      $theValue = ($theValue != "") ? intval($theValue) : "NULL";
      break;
    case "double":
      $theValue = ($theValue != "") ? "'" . doubleval($theValue) . "'" : "NULL";
      break;
    case "date":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;
    case "defined":
      $theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
      break;
  }
  return $theValue;
}
}

$editFormAction = $_SERVER['PHP_SELF'];
if (isset($_SERVER['QUERY_STRING'])) {
  $editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']);
}

if ((isset($_POST["MM_insert"])) && ($_POST["MM_insert"] == "form1")) {
  $insertSQL = sprintf("INSERT INTO authority (authority_id, authority_name, authority_surname, authority_code, authority_pass, authority_sex, authority_tel, authority_email, authority_right) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s)",
                       GetSQLValueString($_POST['hiddenField'], "int"),
                       GetSQLValueString($_POST['member_name'], "text"),
                       GetSQLValueString($_POST['member_surname'], "text"),
                       GetSQLValueString($_POST['member_code'], "int"),
                       GetSQLValueString($_POST['member_pass'], "text"),
                       GetSQLValueString($_POST['member_sex'], "int"),
                       GetSQLValueString($_POST['member_tel'], "text"),
                       GetSQLValueString($_POST['member_email'], "text"),
                       GetSQLValueString($_POST['member_right'], "int"));

  mysql_select_db($database_library, $library);
  $Result1 = mysql_query($insertSQL, $library) or die(mysql_error());
}

mysql_select_db($database_library, $library);
$query_right = "SELECT * FROM authority_right ORDER BY id ASC";
$right = mysql_query($query_right, $library) or die(mysql_error());
$row_right = mysql_fetch_assoc($right);
$totalRows_right = mysql_num_rows($right);
?>




<script language="JavaScript">
//check input only number
function chkNumber(ele)
{
var vchar = String.fromCharCode(event.keyCode);
if ((vchar<'0' || vchar>'9') && (vchar != '.')) return false;
ele.onKeyPress=vchar;
}
</script>


<script language="JavaScript">
//disable enter 
document.onkeydown = chkEvent
var formInUse = false;
function chkEvent(e) {
var keycode;
if (window.event) keycode = window.event.keyCode; //*** for IE ***//
else if (e) keycode = e.which; //*** for Firefox ***//
if(keycode==13 && formInUse==false)//disable enter

{
return false;
}
}
//end disable enter
</script>


<script language="javascript">
//check Input

function fncSubmit()

{
if(document.form1.member_code.value.length<13 )
{

alert('กรุณากรอกรหัสประจำตัวประชาชนให้ครบ 13 หลัก');
document.form1.member_code.focus();


//
return false;
}  
if(document.form1.member_pass.value == "")

{

alert('กรุณากรอกรหัสผ่าน');
document.form1.member_pass.focus();   
//


//
return false;
}  
if(document.form1.member_pass.value.length<5)

{

alert('กรุณากรอกรหัสผ่านตั้งแต่5ตัวขึ้นไป');
document.form1.member_pass.focus();   
//

//
return false;
}  
if(document.form1.con_pass.value == "")
{

alert('กรุณากรอกยืนยันรหัสผ่าน');
//document.form1.re_pass.focus();       
//

//
return false;
}  
if(document.form1.con_pass.value != document.form1.member_pass.value)
{

alert('รหัสผ่านและยืนยันรหัสผ่านไม่ถูกต้อง');
document.form1.member_pass.focus();       
//

//
return false;
}  
if(document.form1.member_name.value == "")
{

alert('กรุณากรอกชื่อ');
document.form1.member_name.focus();       
//

//
return false;
}  
if(document.form1.member_surname.value == "")
{

alert('กรุณากรอกนามสกุล');
document.form1.member_surname.focus();       
//

//
return false;
}  
if(document.form1.member_sex.value == "0")
{

alert('กรุณาเลือกเพศ');
//document.form1.member_sex.focus();       
//


//
return false;
}  
if(document.form1.member_tel.value == "")
{

alert('กรุณากรอกเบอร์โทรศัพท์');
document.form1.member_tel.focus();       
//

//
return false;
}  
if(document.form1.member_tel.value.length<8)
{

alert('กรุณากรอกเบอร์โทรศัพท์ให้ถูกต้อง');
document.form1.member_tel.focus();       
//


//
return false;
}  
if(document.form1.member_email.value == "")
{

alert('กรุณากรอกอีเมล์');
document.form1.member_email.focus();       
//


//
return false;
}  
var regex_email=/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*\@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*(\.([a-zA-Z]){2,4})$/
if(!member_email.value.match(regex_email))
{

alert('รูปแบบ อีเมล์ ไม่ถูกต้อง');
document.form1.member_email.focus();       
//

//
return false;
}  
if(document.form1.member_right.value == "0")
{

alert('กรุณาเลือกสถานะ');
//document.form1.member_right.focus();       
//


return false;
}  
document.form1.submit();
}


//end check input
</script>    





<body>
<form id="form1" name="form1" method="POST" action="<?php echo $editFormAction; ?>" onSubmit="JavaScript:return fncSubmit();">
  <div align="center">
    <p class="style14">เพิ่มข้อมูลเจ้าหน้าที่
      <input type="hidden" name="hiddenField" id="hiddenField" />
    </p>
    <table width="50%" border="0" align="center">
      <tr>
        <td class="style13">รหัสประจำตัวประชาชน</td>
        <td><label>
          <input name="member_code" type="text" id="member_code" maxlength="13" />
        </label></td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td class="style13">รหัสผ่าน</td>
        <td><input name="member_pass" type="password" id="member_pass" maxlength="30" /></td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td class="style13">ยืนยันรหัสผ่าน</td>
        <td><input name="con_pass" type="password" id="con_pass" maxlength="30" /></td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td class="style13">ชื่อ</td>
        <td><input name="member_name" type="text" id="member_name" maxlength="20" /></td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td class="style13">นามสกุล</td>
        <td><input name="member_surname" type="text" id="member_surname" maxlength="20" /></td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td class="style13">เพศ</td>
        <td><select name="member_sex" id="member_sex">
          <option value="0">กรุณาเลือก</option>
          <option value="1">ชาย</option>
          <option value="2">หญิง</option>
        </select></td>
        <td>&nbsp;</td>
      </tr>

      <tr>
        <td class="style13">โทรศัพท์</td>
        <td><input name="member_tel" type="text" id="member_tel" maxlength="20" /></td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td class="style13">อีีเมล์</td>
        <td><input type="text" name="member_email" id="member_email" /></td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td class="style13">สถานะ</td>
        <td><select name="member_right" id="member_right">
            <option value="0">กรุณาเลือก</option>
            <?php
do {  
?>
            <option value="<?php echo $row_right['id']?>"><?php echo $row_right['authority_right']?></option>
            <?php
} while ($row_right = mysql_fetch_assoc($right));
  $rows = mysql_num_rows($right);
  if($rows > 0) {
      mysql_data_seek($right, 0);
	  $row_right = mysql_fetch_assoc($right);
  }
?>
        </select></td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td height="21" colspan="3"><div align="center">
          <input type="submit" name="btn_ok" id="btn_ok" value="ตกลง" />
          <input name="btn_cancle" type="button" id="btn_cancle" onclick="MM_goToURL('parent','administrator_authority.php');return document.MM_returnValue" value="ยกเลิก" />
</div></td>
      </tr>
    </table>
    <p class="style14">&nbsp;</p>
  </div>
  <input type="hidden" name="MM_insert" value="form1" />
</form>
</body>