สอบถามเกี่ยวกับการรับค่า array มี 2 ค่าแต่ส่งมาค่าเดียวครับ

check.php
<?php
$count = $_POST['count'];
 if($count > 0){
 ?>
 <form name='frmSearch' method='post' action='search.php'>
 <div align="center" style="width: 300px auto;">กรุณาใส่รหัสสินค้า</div>
  <div align="center">
  <?php
  for($i=0;$i<$count;$i++){
  ?>
  รหัสสินค้า <input name="keyword[]" type=text value="" size="15" > จำนวน <input name="qty[]" type=text value="" size="3" > ชิ้น<br>
  <?php } ?>
  </div>
   <div align="center"><input type="submit" value="Search"></div>
</form>
  <?php }?>

<div align='center' style='width:300px auto;'>
 <table width='300' border='1'>
 <tr>
  <th width='92' align="center">รหัสสินค้า</th>
  <!--<th width='210' align="center">รายละเอียด</th>-->
  <th width='60' align='center'>จำนวน</th>
  <th width='60' align='center'>ตัวละ</th>
  <th width='60' align='center'>ราคา</th>
 </tr>
    <?php
	$keyword = $_POST['keyword'];
	$Countkey = sizeof($keyword);
	for($i=0;$i<$Countkey;$i++){
	$Countqty = $qty[$i];
	$sqlprice = "select * from oc_pricelist where PartNo = '$keyword[$i]' ";
	$pricequery = mysql_query($sqlprice);
	$rowprice = mysql_fetch_array($pricequery);
	//$Description = $rowprice['Description'];
	$Price = $rowprice['Price'];
	$Showprice = number_format($Price);
	$Showpart = $rowprice['PartNo'];
	$QtyPrice = $qty[ array_search( $Showpart , $keyword ) ] * $Price;
	$Sumprice = number_format($QtyPrice, 2, '.', ',');
	$SumQty += (int)$QtyPrice;
	$Sumtotal = number_format($SumQty, 2, '.', ',');
	echo "<tr><td align='center'>$Showpart</td>\n";
	//echo "<td align='center'>$Description</td>\n";
	echo "<td align='center'>$Countqty</td>\n";
	echo "<td align='center'>$Showprice</td>\n";
	echo "<td align='right'>$Sumprice</td>\n";
	echo "</tr>\n";
}
	$Vat = $SumQty*7/100;
	$Total += $SumQty+$Vat;
	$NetTotal = number_format($Total, 2, '.', ',');
	$NetVat = number_format($Vat, 2, '.', ',');
	?>
	<tr><th align='center'>ราคาทั้งหมด</th>
	<th align='right' colspan='4'><?php echo $Sumtotal; ?></th></tr>
	<tr><th align='center'>VAT 7%</th>
	<th align='right' colspan='4'><?php echo $NetVat; ?></th></tr>
	<tr><th align='center'>รวมทั้งสิ้น</th>
	<th align='right' colspan='4'><?php echo $NetTotal; ?></th></tr>
	</table><br>
	<form>
<input type=button value="Close Window" onClick="javascript:window.close();">
</form> </div>