โค๊ตอย่างนี้ เขียน paging ยังไงครับ เป็น 1 [2] [3] อย่างนี้ครับ

<? require_once("../../includes/function.php");
header("Cache-Control: no-cache, must-revalidate"); 
header("Pragma: no-cache"); 
$strPage = $_POST["myPage"];
$sGroup = "SELECT * FROM scCourseGroup ";
$vGroup = select_data_func($sGroup);
$nGroup = mysqli_num_rows($vGroup);  
$Per_Page = 10;   // Per Page
$Page = $strPage;
if(!$strPage)
{
	$Page=1;
}
$Prev_Page = $Page-1;
$Next_Page = $Page+1;
$Page_Start = (($Per_Page*$Page)-$Per_Page);
if($nGroup<=$Per_Page)
{
	$Num_Pages =1;
}
else if(($nGroup % $Per_Page)==0)
{
	$Num_Pages =($nGroup/$Per_Page) ;
}
else
{
	$Num_Pages =($nGroup/$Per_Page)+1;
	$Num_Pages = (int)$Num_Pages;
}
$sGroup = "SELECT * FROM scCourseGroup LIMIT $Page_Start , $Per_Page";
$vGroup = select_data_func($sGroup);
?>
<table class="cssTable">
<tr class="cssSubTitle"><td colspan="4">จัดการหมวดวิชา</tr>
<tr class="cssContent">
	<td colspan="3" align="right">
		<div id="SubContent"><a href="#" onclick="getMethodSub('<?="Management/adminCourseGroup_process.php?mode=fInst"?>');" class="cssmenu3">เพิ่มหมวดวิชา</a></div></td>
    <td align="center">
    	<a href="#" onclick="getMethod('Management/adminCourseGroup_manage.php');" class="cssmenu3">รีเฟรช</a>
    </td>
</tr>
<tr class="cssTitle">
    <td width="10%">ลำดับ</td>
    <td width="65%">หมวดวิชา</td>
    <td width="20%">จำนวนหลักสูตร</td>
    <td width="15%">จัดการ</td>
</tr>
      <? 
	  while($rGroup = mysqli_fetch_array($vGroup)){ 
		$groupId = $rGroup["Group_ID"];
		$groupName = $rGroup["GroupName"]; 
		$sCourse = "SELECT COUNT(Course_ID) AS NumCourse FROM scCourse WHERE Group_ID = $groupId";
		$vCourse = select_data_func($sCourse);
		$aCourse = mysqli_fetch_array($vCourse); 
        $bgcolor = ($bgcolor=="#EEEEEE")?"#CCD9DD":"#EEEEEE"; ?>
        <tr align="center" bgcolor='<?=$bgcolor?>'>
            <td align="left"><?=$groupId?></td>
            <td align="left"><?=$groupName?></td>
            <td><a href="#" onclick="getMethod('<?="Management/adminCourse_manage.php?gid=".$groupId?>');" class="csslink"><?=$aCourse["NumCourse"]?></a></td>
            <td><a href="#" onclick="getMethodSub('<?="Management/adminCourseGroup_process.php?mode=fUp&gid=".$groupId?>');"><img name="imgEdit" src="images/edit.gif" border="0" alt="ปรับปรุงหมวดวิชา"/></a>&nbsp;&nbsp;  
                <a href="#" onclick="getMethod('<?="Management/adminCourseGroup_process.php?mode=pDel&gid=".$groupId?>'); getMethod('Management/adminCourseGroup_manage.php'); "><img name="imgDelete" src="images/delete.gif" border="0" alt="ลบหมวดวิชา"/></a></td>
              </tr>
<? } 
?>
<tr><td colspan="4">Total <?= $nGroup;?> Record : <?=$Num_Pages;?> Page :
<?
if($Prev_Page) 
{
	echo " <a href=\"JavaScript:doCallAjax('$Prev_Page')\"><< Back</a> ";
}

for($i=1; $i<=$Num_Pages; $i++){
	if($i != $Page)
	{
		echo "[ <a href=\"JavaScript:doCallAjax('$i')\">$i</a> ]";
	}
	else
	{
		echo "<b> $i </b>";
	}
}
if($Page!=$Num_Pages)
{
	echo " <a href=\"JavaScript:doCallAjax('$Next_Page')\">Next >></a> ";
}
?></td></tr>
</table>

<? require_once("../../includes/function.php");
header("Cache-Control: no-cache, must-revalidate"); 
header("Pragma: no-cache"); 
$sGroup = "SELECT * FROM scCourseGroup ";
$vGroup = select_data_func($sGroup);
$nGroup = mysqli_num_rows($vGroup);  
$Per_Page = 10;   // Per Page
$Page = $_GET["Page"];
if(!$_GET["Page"]){
	$Page=1;
}
$Prev_Page = $Page-1;
$Next_Page = $Page+1;
$Page_Start = (($Per_Page*$Page)-$Per_Page);
if($nGroup<=$Per_Page){
	$Num_Pages =1;
}
else if(($nGroup % $Per_Page)==0){
	$Num_Pages =($nGroup/$Per_Page) ;
}
else{
	$Num_Pages =($nGroup/$Per_Page)+1;
	$Num_Pages = (int)$Num_Pages;
}
$sGroup .= "order by Group_ID ASC LIMIT $Page_Start , $Per_Page ";
$vGroup = select_data_func($sGroup);
?>
<table class="cssTable">
<tr class="cssSubTitle"><td colspan="3">จัดการหมวดวิชา</tr>
<tr class="cssContent">
	<td colspan="2" align="right">
		<div id="SubContent"><a href="#" onClick="getMethodSub('<?="Management/adminCourseGroup_process.php?mode=fInst"?>');" class="cssmenu3">เพิ่มหมวดวิชา</a></div></td>
    <td align="center">
    	<a href="#" onClick="getMethod('Management/adminCourseGroup_manage.php');" class="cssmenu3">รีเฟรช</a>
    </td>
</tr>
<tr class="cssTitle">
    <td width="65%">หมวดวิชา</td>
    <td width="20%">จำนวนหลักสูตร</td>
    <td width="15%">จัดการ</td>
</tr>
<? if($nGroup == 0){ ?>
    <tr class='cssContent cssFontMsg'><td align=center colspan=3>ไม่มีรายการหมวดวิชาในขณะนี้</td></tr>
<? }else{ 
	$i = 1;
	  while($rGroup = mysqli_fetch_array($vGroup)){ 
		$groupId = $rGroup["Group_ID"];
		$groupName = $rGroup["GroupName"]; 
		$sCourse = "SELECT COUNT(Course_ID) AS NumCourse FROM scCourse WHERE Group_ID = $groupId";
		$vCourse = select_data_func($sCourse);
		$aCourse = mysqli_fetch_array($vCourse); 
        $bgcolor = ($bgcolor=="#EEEEEE")?"#CCD9DD":"#EEEEEE"; ?>
<tr align="center" bgcolor='<?=$bgcolor?>'>
  <td align="left"><?=$i.". ".$rGroup["GroupName"]?></td>
  <td><a href="#" onClick="getMethod('<?="Management/adminCourse_manage.php?gid=".$groupId?>');" class="csslink">
    <?=$aCourse["NumCourse"]?>
  </a></td>
  <td><a href="#" onClick="getMethodSub('<?="Management/adminCourseGroup_process.php?mode=fUp&gid=".$groupId?>');"><img name="imgEdit" src="images/edit.gif" border="0" alt="ปรับปรุงหมวดวิชา"/></a>&nbsp;&nbsp; <a href="#" onClick="getMethod('<?="Management/adminCourseGroup_process.php?mode=pDel&gid=".$groupId?>'); getMethod('Management/adminCourseGroup_manage.php'); "><img name="imgDelete" src="images/delete.gif" border="0" alt="ลบหมวดวิชา"/></a></td>
</tr>
<? $i++; } 
}
?>
<tr><td colspan="3" ><div id="SubContent">รวม&nbsp;<?=$nGroup?>&nbsp;หน้า&nbsp;
<?
if($Prev_Page)
{ ?>
 <a href="#" onClick="getMethodSub('<?="Management/adminCourseGroup_process.php?mode=$Page"?>');" class="cssmenu3">BACK</a><? }
for($i=1; $i<=$Num_Pages; $i++){
	if($i != $Page)
	{ ?>
    <a href="#" onClick="getMethodSub('<?="Management/adminCourseGroup_manage.php?mode=$i"?>'); return false" class="cssmenu3"><?=$i?></a></div>
<? }	else
	{?><?=$i?>
<? } }
?></div></td>
</tr>
</table>