click checkbox ตามรายการที่เลือก แล้วบันทืกใน btn save php ช่วยผมที่ ขอคพแนะนำวิธีทำด้วยครับ

<?php 
session_start();
ob_start();
$AdminID=$_SESSION['lAdminID'];
$BillNo=$_GET['BillNo'];
echo $Bill;
echo $BillNo;
echo $AdminID;
include("include/db_connect.php");
include("include/function.php");
if((isset($_SESSION['login_true_administrator'])) or (isset($_SESSION['login_true_AdminID'])))
{
?>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<link href="css/textcss.css" type="text/css" rel="stylesheet" >
<link href="css/styleinput.css" type="text/css" rel="stylesheet" >
<link href="css/stylelink.css" type="text/css" rel="stylesheet">
<script language="JavaScript">
	function ClickCheckAll(vol)
	{
	
		var i=1;
		for(i=1;i<=document.frm.hdnCount.value;i++)
		{
			if(vol.checked == true)
			{
				eval("document.frm.Chk"+i+".checked=true");
			}
			else
			{
				eval("document.frm.Chk"+i+".checked=false");
			}
		}
	}

	function onINSERT()
	{
		if(confirm('Do you want to INSERT ?')==true)
		{
			return true;
		}
		else
		{
			return false;
		}
	}
</script>
<?php 
$select="SELECT bill_id.BillNo, bill_id.Date, bill_id.AdminID, bill_id.DeptID
FROM stock_d.bill_id
WHERE (bill_id.BillNo ='$BillNo')
AND (bill_id.AdminID ='$AdminID')
GROUP BY bill_id.BillNo";
$sqlselect=mysql_query($select) or die ("show errors ::".mysql_error());
?>
<form action="insert_supplier.php" method="post" enctype="multipart/form-data" name="frm" onsubmit="return onINSERT();">
<?php
while($row=mysql_fetch_array($sqlselect))
{
 ?>
<table  width="50%" border="1" align="center"cellpadding="0" cellspacing="0" bordercolor="#CCCCCC" style='BORDER-COLLAPSE: collapse'>
<tr>
<td></td>
</tr>
  <tr>
    <td colspan="2" align="center"><p>&nbsp;</p>
      <p>FROM : Materail Request and List Supplier Selected
      </p>
      <p>&nbsp;</p></td>
    </tr>
  <tr>
    <td>ເລກທີ່ໃບບິນ</td>
    <td><input type="text" name="BillNo" id="BillNo" value="<?php echo $row['BillNo'];?>" /></td>
  </tr>
  <tr>
    <td width="10%">ຊື່ ແລະ ນາມສະກຸນ Name &amp; Surname :</td>
    <td width="10%"><?php echo $_SESSION['lname'];?></td>
  </tr>
  <tr>
    <td width="10%">ລະຫັດພະແນກ :</td>
    <td width="10%"><?php echo $_SESSION['lDeptID'];?></td>
  </tr>
  <tr>
    <td width="10%">ຊື່ພະແນກ : </td>
    <td width="10%"><?php  echo $_SESSION['lDeptName'];?></td>
  </tr>
  <tr>
    <td width="10%">ວັນທີ່ / ເດືອນ / ປີ :</td>
    <td width="10%"><?php echo $row['Date'];?></td>
  </tr>
  <?php } ?>
 </table>
 <br />
<?php 
$Product="SELECT * FROM stock_d.stock_main";
$sqlProduct=mysql_query($Product) or die("Show Error :: ".mysql_error());
?>
<table  width="45%" border="1" align="LEFT" cellpadding="1" cellspacing="1" bordercolor="#CCCCCC" style='BORDER-COLLAPSE: collapse'>
<thead>
  <tr>
  <td width="5" class="Txt1" >ProductID</td>
  <td width="5" class="Txt1">Name</td>
  <td width="5" class="Txt1">NameLao</td>
  <td width="4" class="Txt1" >QTY</td>
  <td width="4"  class="Txt1">KindID</td>
  <td width="4" class="Txt1">Select</td>
  </tr>
 </thead>
 <tbody>
<?php 
$i=0;
while($row=mysql_fetch_array($sqlProduct))
{

?>
<?php ?>
  <tr>
   <td class="Txt1"><input type="text" name="ProductID[]" id="ProductID[]" value="<?php echo $row['ProductID'];?>" /></td>
  <td class="Txt1"><?php echo $row['Name']; ?></td>
  <td class="Txt1"><?php echo $row['NameLao']; ?></td>
  <td class="Txt1"><input name="QTY[]" type="number" class="hover" id="QTY[]"/></td>
  <td class="Txt1"><input name="KindID[]" type="text" class="hover" id="KindID[]"/></td>
 <td align="center"><input type="checkbox" name="Chk[]" id="Chk<?php echo $i;?>" value="<?php echo $row["ProductID"];?>"></td>
  
  </tr>
   <?php } ?>
   </tbody>
   <tr>
    <input type="hidden" name="hdnCount" value="<?php echo $i;?>">
     <td colspan="4"><input type="submit" name="ok" id="ok" value="Save" class="myButton1" /></td>
     <td colspan="5"><input type="reset" name="clear" id="clear" value="clear" class="myButton1" />
    
</td>
    </tr>
   <tr>
  <td colspan="9">&nbsp;</td>
  </tr>
<tr>
  <td colspan="10"></td>
  </tr>

</table>
<?php
ob_end_flush();
mysql_close($d1,$db1,$c1);
mysql_close($d2,$db2,$c1);

exit();
?>
</form>
<?php } ?>

<?php 
session_start();
ob_start();
$BillNo=$_SESSION['lBillNo'];
echo $BillNo;
include("include/db_connect.php");
include("include/function.php");
if((isset($_SESSION['login_true_administrator'])) or (isset($_SESSION['login_true_AdminID'])))
{		
?>
<?php 
$BillNo=$_POST['BillNo'];
// check 1 or not ແລ້ວ ເລືອກໃຫ້ເປັນ Check already

$Do=$_POST['Chk'];
if(isset($_POST['saved']))
{
	if(empty($Do)|| $DO ==0) {
		echo "Please Select Materail Supplier List after Click Save!!";
	}else{
		foreach($_POST['Chk'] as $i){
		$sql="INSERT INTO stock_d.bill_out(CodeOut,BillNo,ProductID,QTY,KindID,TypeID,Remark)
VALUES('','$BillNo','{$_POST['ProductID'][$i]}','{$_POST['QTY'][$i]}','{$_POST['KindID'][$i]}','{$_POST['TypeID'][$i]}','{$_POST['Remark'][$i]}') ";
$objSQl=mysql_query($sql) or die ("show errors ::".mysql_error());
	
	if($objSQl){
		echo "<script>alert('Save it !!!');</script>";
		
	}else{
		echo "<meta http-equiv='refresh' content='0;url=frminsert_bill_out.php'>";
		echo "<script>alert('Can't Dose that !!!');</script>";
			}
		}
	}
}


?>

<?php }?> 

<?php
ob_end_flush();
mysql_close($d1,$db1,$c1);
mysql_close($d2,$db2,$c1);

exit();
?>