ช่วยดูหน่อยครับ ข้อมูลมันไม่ insert ผมหาไม่เจออ่ะครับ งมอยู่นานมาก

<?
include_once '../includes/connect.php';
?>

<script src="../includes/js/jquery/jquery.form.js" type="text/javascript"></script>
<script type="text/javascript" src="../includes/js/jquery/jquery.datepick.js"></script>
<script type="text/javascript"> 
    $(document).ready(function() {
		$("#myForm").submit(function () {

			if($("#popupDatepicker").val() == ''){
				alert("คุณไม่ได้กรอก วันที่");
				return false;				
			}
			else if($("#ph").val() == ''){
				alert("คุณไม่ได้กรอกค่า ph");
				return false;				
			}
			else if($("#temp").val() == 'เช้า:'){
			alert("คุณไม่ได้กรอกค่า อุณหภูมิ");
			return false;				
			}			
			else if($("#lux").val() == 'เช้า:'){
			alert("คุณไม่ได้กรอกค่า ความเข้มแสง");
			return false;				
			}
			else if($("#grow").val() == ''){
			alert("คุณไม่ได้กรอกค่า ความเจริญเติบโต");
			return false;				
			}
			else if($("#product").val() == ''){
			alert("คุณไม่ได้กรอกค่า ผลผลิต");
			return false;				
			}
		});
    });
</script>
<script type="text/javascript">
$(function() {
	$('#popupDatepicker').datepick({dateFormat: 'yyyy-mm-dd'});
	$('#inlineDatepicker').datepick({onSelect: showDate});
});

function showDate(date) {
	alert('The date chosen is ' + date);
}
</script>

<script type="text/javascript">
       $(document).ready(function() { 
			$('#myForm').ajaxForm({ 
				dataType:  'json', 
				success:   function processJson(resPonse) { 
							if(resPonse==1){
								$('#Loading').hide();
								$('#Loading1').show();
								$('#Loading1').fadeOut(1500);
								$('#myForm').reset();
							} else {
								$('#Loading1').hide();
								$('#Loading').show();
								$('#Loading1').show(1500);
							}
						} 
			}); 
		});
	   
function clearValue(obj,text) {
if ( obj.value == text ) obj.value = '';
}
function checkValue(obj,text) {
if ( obj.value == '' ) obj.value = text;
}
</script>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr><td style="border: 1px dashed #dedbd1; padding: 6px; margin: 1px; background-color: #ebe9e1; font-weight: bold; font-size: 15px;">เพิ่มข้อมูลการทดลอง</td></tr>  
<tr>
  <td align="left" style="padding-left:5px; height:29px; line-height:29px;"><a href="javascript:LoadContentDIV('dataAdd.php');">[+] เพิ่มข้อมูลรายบ่อ</a></td></tr>
</table>
<form name="myForm" id="myForm" method="post" action="dataAdd2_script.php" autocomplete="off">

<table width="100%" cellpadding="9" cellspacing="0" border="0">
<tr>
  <td width="5%" class="TD_title">วันที่: </td> <td align="left" width="95%"><input name="popupDatepicker" type="text" class="textbox" value="<? echo date('Y-m-d')?>" id="popupDatepicker" > </td>
</tr>
</table>
<table id="tb" width="100%" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#dedbd1">
<tr>
  <td width="7%" height="25" rowspan="2" align="center" bgcolor="#ebe9e1"><strong>บ่อ</strong></td>
  <td width="7%" height="25" rowspan="2" align="center" bgcolor="#ebe9e1"><strong>PH</strong></td>
  <td height="20" colspan="2" align="center" bgcolor="#ebe9e1"><strong>อุณหภูมิ</strong></td>
  <td height="20" colspan="2" align="center" bgcolor="#ebe9e1"><strong>ความเข้มแสง</strong></td>
  <td width="11%" height="25" rowspan="2" align="center" bgcolor="#ebe9e1"><strong>การเจริญเติบโต</strong></td> 
  <td width="7%" height="25" rowspan="2" align="center" bgcolor="#ebe9e1"><strong>น้ำหนักเปียก</strong></td>
  <td width="7%" height="25" rowspan="2" align="center" bgcolor="#ebe9e1"><strong>น้ำหนักแห้ง</strong></td>
  </tr>
<tr>
  <td width="10%" height="25" align="center" bgcolor="#EBE9E1">เช้า</td>
  <td width="10%" height="25" align="center" bgcolor="#EBE9E1">บ่าย</td>
  <td width="7%" height="25" align="center" bgcolor="#EBE9E1">เช้า</td>
  <td width="7%" height="25" align="center" bgcolor="#EBE9E1">บ่าย</td>
</tr>

<? 
$pools = Query("select * from algaepool where status = 'y' order by name asc");
$poolNumrows = mysql_num_rows($pools);
while($rows = mysql_fetch_array($pools))
{ ?>
<tr>
<input type="hidden" name="hdnLine" value="<?=$i;?>">
<td height="25" align="center" bgcolor="#FFFFFF"><?=$rows["name"]?></td>
  <td height="25" align="center" bgcolor="#FFFFFF"><label>
    <input type="text" name="ph<?=$i;?>" id="ph<?=$i;?>" class="textboxshort" />
  </label></td>
  <td height="25" align="center" bgcolor="#FFFFFF"><label>
    <input type="text" name="temp<?=$i;?>" id="temp<?=$i;?>" class="textboxshort" />
  </label></td>
  <td height="25" align="center" bgcolor="#FFFFFF"><label>
    <input type="text" name="temp_after<?=$i;?>" id="temp_after<?=$i;?>" class="textboxshort" />
  </label></td>
  <td height="25" align="center" bgcolor="#FFFFFF"><label>
    <input type="text" name="lux<?=$i;?>" id="lux<?=$i;?>" class="textboxshort" />
  </label></td>
  <td height="25" align="center" bgcolor="#FFFFFF"><label>
    <input type="text" name="lux_after<?=$i;?>" id="lux_after<?=$i;?>" class="textboxshort" />
  </label></td>
  <td height="25" align="center" bgcolor="#FFFFFF"><label>
    <input type="text" name="grow<?=$i;?>" id="grow<?=$i;?>" class="textboxshort" />
  </label></td>     
    <td height="25" align="center" bgcolor="#FFFFFF"><label>
      <input type="text" name="wet<?=$i;?>" id="wet<?=$i;?>" class="textboxshort" />
    </label></td>
  <td height="25" align="center" bgcolor="#FFFFFF"><label>
    <input type="text" name="dry<?=$i;?>" id="dry<?=$i;?>" class="textboxshort" />
  </label></td>    
  </tr>
  <? } ?>
</table>
<br />
<table width="100%" border="0" cellspacing="0" cellpadding="0">
  <tr>
    <td><div id="buttonDiv"><input type="submit" name="button1" value="บันทึก" class="button" > 
<input type="button" name="button2" value="ย้อนกลับ" onclick="javascript:LoadContentDIV('timeList.php');" class="button"></div>
<div id="Loading" style="padding: 10px; text-align: center; display:none;  color: red;"><img src="../images/loader_twt.gif" /> กำลังบันทึกข้อมูล..</div></td>
    </tr>
</table>
</form>

<?php
session_start();
include_once "../includes/connect.php";

	$_dateInsert = $_POST["popupDatepicker"];
	$_user = $_SESSION["user"];
	$_ph = $_POST["ph$i"];
	$_idpool = $_POST["pool$i"];
	$_temp = $_POST["temp$i"];
	$_temp_after = $_POST["temp_after$i"];
	$_lux = $_POST["lux$i"];
	$_alux_after = $_POST["lux_after$i"];
	$_grow = $_POST["grow$i"];
    $_wet = $_POST["wet$i"];
    $_dry = $_POST["dry$i"];      
	
	for($i=1;$i<=$_POST["hdnLine"];$i++)
	{
		if($_ph != '')
		{
  			$result = Query("INSERT INTO algaeevaluate (user,ph,idpool,lux,lux_after,temp,temp_after,grow,wet,dry,dateInsert) 
			VALUES ('$_user','$_ph','$_idpool','$_lux','$_lux_after','$_temp','$_temp_after','$_grow','$_wet','$_dry','$_dateInsert')");
		}
	}
	
	if($result){
		echo '1';
	} else {
		echo '0';
	}
} 
?>