สอบถามวิธีการเรียก ckeditor แก้ไขข้อมูล จาก database แบบ ajax นะค่ะ

<form action="check_edit_product.php" method="post" name="checkForm" enctype="multipart/form-data" onSubmit="return check()">
        <table width="100%">
          <tr>
            <th colspan="2" align="left" valign="top" class="box_detail4" scope="row">เพิ่มสินค้า</th>
            </tr>
          <tr>
            <th height="5" colspan="2" align="left" valign="top" class="detail4" scope="row"> </th>
            </tr>
          <tr>
            <th width="13%" align="left" valign="top" class="detail_link3" scope="row">ประเภทสินค้า *
<?php 
include("../connect/connect.php");
$sql_product =  "SELECT * FROM tb_product where id_product='$id_product' "; /////คึงข้อมูลสินค้ามาแก้ไขนะจ้ะ
//echo $sql;
$query =  mysql_query($sql_product);
$result = mysql_fetch_array($query);

$id_product = $result['id_product'];
$type_product = $result['type_product'];
$detail_product = $result['detail_product'];
$date_add = $result['date_add'];

?>
<input name="txtID" type="hidden" id="txtID" value=" <?php echo "$id_product";?>"size="8" />            </th>
            <td align="left" valign="top">         
                               
<select name="type_product" id="type_product">       
<?php
//ส่วนของการ connect mysql
//include("../connect/connect.php");
//$sql="select* from tb_member  where id='$id' ";
$query=mysql_query($sql_product);//รันคำสั่ง sql
while($rs=mysql_fetch_array($query)){ //สั่งให้ค่าในฐานข้อมูลมาพักไว้ใน ตัวแปร $rs และใช้เงื่อน While()ไขเพื่อให้ทำการวนลูปตามจำนวนข้อมูลที่มีทั้งหมด
?>   
	 <!-- แทนค่าใน option ของ listbox -->  
          <option value="" <?=($rs["type_product"]=="")?"selected":"" ?>>--เปลี่ยนเลือก--</option>
          <option value="1" <?=($rs["type_product"]=="1")?"selected":""?>>ฟิล์มกรองแสงรถยนต์</option>
          <option value="2" <?=($rs["type_product"]=="2")?"selected":""?>>ฟิล์มกรองแสงอาคาร</option>
          <option value="3" <?=($rs["type_product"]=="3")?"selected":""?>>อุปกรณ์เสริม</option>
          <option value="4" <?=($rs["type_product"]=="4")?"selected":""?>>สินค้าอื่น ๆ</option>
<?
}
?>
 </select>                  </td>
            </tr>
          
          <tr>
            <th align="left" valign="top" class="detail_link3" scope="row">รายละเอียดสินค้า *</th>
            <td align="left" valign="top">&nbsp;</td>
          </tr>
          <tr>
            <th colspan="2" align="left" valign="top" class="detail4" scope="row"><textarea cols="80" id="txtdetail" name="txtdetail" rows="10" > <?php echo"$detail_product"; ?></textarea>
              <script type="text/javascript">
        //<![CDATA[
            CKEDITOR.replace( 'txtdetail',{

            skin            : 'kama',
            language        : 'en',
            extraPlugins    : 'uicolor',
            uiColor            : '#006699',
            height            : 600,
            width            : 820,

    	toolbar :
         [
            ['Source','-','Save','NewPage','Preview','-','Templates'],
            ['Cut','Copy','Paste','PasteText','PasteFromWord','-','Print', 'SpellChecker', 'Scayt'],
            ['Undo','Redo','-','Find','Replace','-','SelectAll','RemoveFormat'],
           // ['Form', 'Checkbox', 'Radio', 'TextField', 'Textarea', 'Select', 'Button', 'ImageButton', 'HiddenField'],
            '/',
            ['Bold','Italic','Underline','Strike','-','Subscript','Superscript'],
            ['NumberedList','BulletedList','-','Outdent','Indent','Blockquote'],
            ['JustifyLeft','JustifyCenter','JustifyRight','JustifyBlock'],
            ['Link','Unlink','Anchor'],
            ['Image','Flash','Table','HorizontalRule','Smiley','SpecialChar','PageBreak'],
            '/',
            ['Styles','Format','Font','FontSize'],
            ['TextColor','BGColor'],
            ['Maximize', 'ShowBlocks','-','About']

     	 ],

            filebrowserBrowseUrl : '../ckfinder/ckfinder.html',
            filebrowserImageBrowseUrl : '../ckfinder/ckfinder.html?Type=Images',
            filebrowserFlashBrowseUrl : '../ckfinder/ckfinder.html?Type=Flash',
            filebrowserUploadUrl : '../ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Files',
            filebrowserImageUploadUrl : '../ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Images',
            filebrowserFlashUploadUrl : '../ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Flash'

            } );
        //]]>
              </script></th>
            </tr>
          
          
          <tr>
            <th align="left" valign="top" class="detail4" scope="row">&nbsp;</th>
            <td width="86%" align="left" valign="top" class="comment"><?php //echo"$sql_product";?></td>
            </tr>
          <tr>
            <th align="left" valign="top" class="detail4" scope="row">&nbsp;</th>
            <td align="left" valign="top" class="detail4"><input name="btnSubmit" type="submit" value="เพิ่มสินค้าใหม่">
              <input type=button value="ปิดหน้าต่างนี้"onClick="javascript:window.close();"></td>
            </tr>
          <tr>
            <th align="left" valign="top" class="detail4" scope="row">&nbsp;</th>
            <td align="left" valign="top" class="detail4">&nbsp;</td>
          </tr>
          <tr>
            <th align="left" valign="top" class="detail4" scope="row">&nbsp;</th>
            <td align="left" valign="top" class="detail4"><input name="txtUser" type="hidden" class="right" id="txtUser" value="<?php echo "$name";?>" size="20"></td>
            </tr>
        </table>

</form>  

<?php
include ("../connect/connect.php");
	       
	$id_product = $_POST[txtID];	
	$sql[0] = "update tb_product set type_product = '$_POST[type_product]' where id_product = '$id_product' ";
	$sql[1] = "update tb_product set detail_product = '$_POST[txtdetail]' where id_product = '$id_product' ";

  
    for($i=0;$i<=1;$i++) {
      $result = mysql_query($sql[$i]) or die("Error program... ไม่สามารถแก้ไขข้อมูลได้ ติดต่อ Webmaster")  ;
       }

if($result) {

echo "<center><br><img src=\"image/Progressbar.gif\"></center>";
echo "<br><br><center><font size=\"3\" face='MS Sans Serif'><b> ระบบกำลังอัพเดทข้อมูลของคุณขึ้น Server ปลายทาง<br> กรุณารอสักครู่.....</b></font></center>" ;

mysql_close();
}
//echo "<meta http-equiv='refresh' content='4;url=show_request_dealer.php' />";

?>