จะส่งค่าผ่าน multiple checkbox อ่ะค่ะ แต่มันไม่ไป ส่งr_id ไปกับ chkDel อ่ะค่ะ แต่ไม่ไป

<? include("../header_agen.php");?>
<div id="content">
<div id="maincontent">
		<div class="block">
	<h2>รายการจอง</h2>
       <? include("../system-msg.php");?>
      <form name="status" id="status" method="post"  action="change_status.php" class="big">
	<table width="625" class="data">
	  <!--DWLayoutTable-->
	    <thead>
		<tr>
        <input type="submit" name="waiting" value="รอการชำระเงิน" class="">
        <input type="submit" name="confirm" value="ชำระเงินแล้ว" class="">
        <input type="submit" name="cancle" value="ยกเลิก" class="b">
          <th width="66" height="21" valign="top" class="medium"></th>
		    <th width="66" height="21" valign="top" class="medium">ชื่อผู้จอง</th>
		    <th width="85" valign="top" class="medium">รหัสการจอง</th>
		    <th width="118" valign="top" class="medium">รหัสแพ็คเกจทัวร์</th>
		    <th width="110" valign="top" class="medium">ชื่อแพ็คเกจทัวร์</th>
		    <th width="90" valign="top" class="medium">จำนวนที่จอง</th>
            <th width="59" valign="top" class="medium">วันที่จอง</th>
            <th width="48" valign="top" class="medium">สถานะ</th>
           <th width="1">&nbsp;</th>
            <?php /*?>  <th colspan="2" valign="top" class="medium">action</th><?php */?>
	      </tr>
	    </thead>
	    <tbody>
        </form>
		<?
		    include("../../include/connectdb.php");
		    // select data by pageignition
		    $q="select member.*,reserve.*,packages.*,FROM_UNIXTIME(r_created, '%M %d, %Y' ) as r_fcreated from member,reserve,packages where member.m_id=reserve.r_mid and reserve.r_pkid=packages.pk_id and pk_aid=".$_SESSION["id"].""; 
		    $q.=" ORDER BY r_id";  
		    $qr=mysql_query($q);  
		    $total=mysql_num_rows($qr);  
		    $e_page=10; // total rows per page
		    //Call function pageignition
		    include("../../include/page_function.php");    
		    $numrows = mysql_num_rows($result);
		    if($numrows){
			while($row=mysql_fetch_array($result)){
		?>
	<tr>
    <td valign="top"><input type="checkbox" name="chkDel[]" value="<?=$row["r_id"];?>"></td>
	      <td height="21" valign="top"><strong><?=htmlspecialchars($row['m_fname']." ".$row['m_lname']);?>
	      </strong></a></td>
		    <td valign="top" class="a-center"><?=$row['r_id'];?></td>
		    <td valign="top" class="a-center"><?=$row['r_pkid'];?></td>
		   <td valign="top" class="a-center"><?=$row['pk_name'];?></td>
		    <td valign="top" class="a-center"><?=$row['r_adult']+$row['r_child'];?></td>
            <td valign="top" class="a-center"><?=$row['r_fcreated'];?></td>
            <td valign="top" class="a-center"><?=$row['r_status'];?></td>
         <td>&nbsp;</td>
            <?php /*?>   <td colspan="3" valign="top" class="a-center bt_action">
			<a href="pk-update.php?id=<?=$row['pk_id'];?>" title="Open" class="open action">&#9986;</a>
			<a href="delete.php?type=pk&id=<?=$row['pk_id'];?>" title="delete" class="delete action">&#10006;</a>		    </td><?php */?>
	      </tr>
        <? }
		} else{?>
		<tr>
		    <td height="21" colspan="7" valign="top">ไม่มีข้อมูลการจอง</td>
		    <td></td>
		    <? } ?>
	    </tbody>
	    <tbody>
		<tr>
		    <td height="21" colspan="7" valign="top">
			<!--<a href="bc-create.php" class="button">Create news category</a>-->
			<?=$numrows;?> 
			ข้อมูลการจองอยู่ในระบบ		    </td>
	        <td></td>
          </tr>
	    </tbody>
	</table>
  
	<div class="browse_page f-right">  
	    <?
		// Pagignition call function and display
		include("../../include/pageignition.php");
		page_navigator($before_p,$plus_p,$total,$total_p,$chk_page);
	    ?>   
	</div> 
    </div>
    </div>
    <? include("../../right-sidebar.php");?>
    </div>
<? include("../../footer.php");?>

<? include("../header_agen.php");?>
<? if(!isset($_REQUEST['submit'])){ ?>
<div id="content">
<div id="maincontent">
		<div class="block">
       
	<h2>รายการจอง</h2>
     <? include("../../include/connectdb.php");
	if($_POST["submit"] == "waiting"){
	for($i=0;$i<count($_POST["chkDel"]);$i++)
	{
		if($_POST["chkDel"][$i] != "")
		{
			$q = "UPDATE reserve SET r_status = 0";
			$q.="WHERE r_id = '".$_POST["chkDel"][$i]."' ";
			$qr = mysql_query($q);
			echo" เปลี่ยนสถานะแล้ว";
		}
	}
	}
	

	echo ".";

?>

    <? }?>
	  </div>
    </div>
    <? include("../../right-sidebar.php");?>
    </div>
<? include("../../footer.php");?>