ขอทราบ code ที่เกี่ยว กับ การ delete หน่อย ครับ ช่วยที่ครับเหลืออี นิดเดียวเองครับ

<?
session_start();
include "./include/connect1.php";
session_register("sess_id");

 
?>


<style type="text/css">
<!--
a:link {
	color: #FFFFFF;
	text-decoration: none;
}
a:visited {
	text-decoration: none;
}
a:hover {
	text-decoration: none;
}
a:active {
	text-decoration: none;
}
.style1{
font-size:15px;
font-weight:bold;
}
.style2 {
	font-size: 16px;
	font-weight:bold;
	color: #4A2616;
}
.style26 {font-family: "Angsana New", Batang, "Bodoni MT", Calibri; font-size: 20px; font-weight: bold; }
.style28 {font-family: "Angsana New", Batang, "Bodoni MT", Calibri; font-size: 20px; }
-->
</style>
  <table align="right" width="80%" border="0" cellpadding="4" cellspacing="0">
  <tr>
   
    <td align="center"><form  action="update_database.php" method="post"><table width="100%" border="0" cellspacing="0">
      <tr>
        <td background="image/bgu.jpg" height="100"></td>
      </tr>
      <tr>
        <td background="image/bgm.jpg" align="center"><table width="80%" border="0" align="center">
          
          <tr>
            <td>&nbsp;</td>
            <td>&nbsp;</td>
            <td>&nbsp;</td>
            <td>&nbsp;</td>
          </tr>
          	<?
$id=$_GET['id'];
$sql="select *,
					DATE_FORMAT(n_timein,'%H:%i') as ntimein,
					DATE_FORMAT(n_timeout,'%H:%i')as ntimeout,
					DATE_FORMAT(n_timein,'%Y-%m-%d') As n_date,
					DATE_FORMAT(s_timein,'%Y-%m-%d') As s_date_timein,
					DATE_FORMAT(s_timeout,'%Y-%m-%d') As s_date_out,
					DATE_FORMAT(s_timein,'%H:%i') as stimein,
					DATE_FORMAT(s_timeout,'%H:%i') as stimeout
					from time_sheet_table
					 where id = '$id' ";
$a=mysql_query($sql);
$read=mysql_fetch_array($a);
?>
          <tr>
            <td>&nbsp;</td>
            <td>รหัส :</td>
            <td><span class="style26"><? echo $read['id']; ?>
                <input type="hidden" name="id"  value="<?=$read['id'] ?>"/>
            </span></td>
            <td>&nbsp;</td>
          </tr>
          
          <tr>
            <td width="20%">&nbsp;</td>
            <td width="20%" class="style2">Day : </td>
            <td width="40%"><input type="text" name="day"  value="<?=$read['day']?>"/></td>
            <td width="20%">&nbsp;</td>
          </tr>
          <tr>
            <td>&nbsp;</td>
            <td class="style2">Nomal date : </td>
            <td><input type="text" name="n_date"  value="<?=$read['n_date']?>"/></td>
            <td>&nbsp;</td>
          </tr>
          <tr>
            <td>&nbsp;</td>
            <td class="style2">Nomal Time in :</td>
            <td><input type="text" name="ntimein"  value="<?=$read['ntimein']?>"/></td>
            <td>&nbsp;</td>
          </tr>
          <tr>
            <td>&nbsp;</td>
            <td class="style2"><p>Nomal Time out :</p></td>
            <td><input type="text" name="ntimeout"  value="<?=$read['ntimeout']?>"/></td>
            <td>&nbsp;</td>
          </tr>
          <tr>
            <td>&nbsp;</td>
            <td class="style2">Shift date in :</td>
            <td><input type="text" name="s_date_timein"  value="<?=$read['s_date_timein']?>"/></td>
            <td>&nbsp;</td>
          </tr>
          <tr>
            <td>&nbsp;</td>
            <td valign="top" class="style2"> Shift timein :</td>
            <td><input type="text" name="stimein"  value="<?=$read['stimein']?>"/></td>
            <td>&nbsp;</td>
          </tr>
          <tr>
            <td>&nbsp;</td>
            <td class="style2">Shift date out :</td>
            <td><input type="text" name="s_date_out"  value="<?=$read['s_date_out']?>"/></td>
            <td>&nbsp;</td>
          </tr>
          <tr>
            <td>&nbsp;</td>
            <td>Shift Time out :</td>
            <td><input type="text" name="stimeout"  value="<?=$read['stimeout']?>"/></td>
            <td>&nbsp;</td>
          </tr>
          
          <tr>
            <td>&nbsp;</td>
            <td class="style2">Detail :</td>
            <td><textarea name="detail" cols="45" id="detail"><?=$read['detail']?>
            </textarea></td>
            <td>&nbsp;</td>
          </tr>
          <tr>
            <td>&nbsp;</td>
            <td>&nbsp;</td>
            <td><input type="submit" name="ok" value="แก้ไข"  style="background-color:#7B533A; color:#FFFFFF"/>              &nbsp;&nbsp;&nbsp;<span class="style28">
              <? 
      $day=$_REQUEST['day'];
	  $n_date=$_REQUEST['n_date'];
	  $ntimein=$_REQUEST['ntimein'];
	  $ntimeout=$_REQUEST['ntimeout'];
	  $s_date_timein=$_REQUEST['s_date_timein'];
	  $stimein=$_REQUEST['stimein'];
	   $s_date_out=$_REQUEST['s_date_out'];
	  $stimeout=$_REQUEST['stimeout'];
	  $detail=$_REQUEST['detail']; 
	  
	/*   $sum_n2 = $_POST['n_date'] . ' ' . $_POST['ntimein'];
	    */
	    ?>
            </span></td>
                 
          </tr>
        </table>
          <p>
		<?
		echo $id ;
		echo $sum_n ;	
		
 
		
		echo "\n";
		
		


		?>          
          </p></td>
      </tr>
      <tr>
        
      </tr>
    </table></form></td></tr>
    
</table>

<?php
$host="localhost";    
$user="root";
$pw="12345";
$db="rimes1";
mysql_connect($host,$user,$pw) or die(mysql_error());
mysql_query("set NAMES tis620");
 $result = mysql_select_db($db) or die(mysql_error());

$id = $_POST['id'];
$day = $_POST['day'];
$detail = $_POST['detail'];



$sum_n = $_POST['n_date'] . ' '. $_POST['ntimein'];
$sum_n_time_out = $_POST['n_date'] . ' ' . $_POST['ntimeout'];
$sum_s_date_time_in = $_POST['s_date_timein'] . ' ' . $_POST['stimein'];
$sum_s_date_time_out = $_POST['s_date_out'] . ' ' . $_POST['stimeout']; 

echo $sum_s_date_time_in ;
  	
	 $sql = "UPDATE time_sheet_table SET detail = '$detail',
	 			day = '$day',
				n_timein = '$sum_n',
				n_timeout = '$sum_n_time_out',
				s_timein = '$sum_s_date_time_in' ,
				s_timeout = '$sum_s_date_time_out'
	 			 where id ='$id' ";
				 
				 $show  = mysql_query($sql) ;
				 	$objQuery =	  $show ;
	if($objQuery)
{
	echo "<script>alert('....succeed.....');window.location=' edit.php';</script>";
}
else
{
	echo " no commplet ";
} 

	 
?>