Warning: mssql_query() [function.mssql-query]: message: Incorrect syntax near 'LIMIT'. (severity 15)

<?
include_once("conn.php");
$Per_Page = 50;   // Per Page

$Page = $_GET["Page"];
if(!$_GET["Page"])
{
	$Page=1;
}

$strSQL = "select prename,stf_fname+'   '+stf_lname as fullname,position_id,position_name_th,postline_id,postline_name,stafftype_id,fac_name,max_edu,substafftype_id  
from db_owner.data_of_person ";
$objQuery = mssql_query($strSQL) or die ("Error Query [".$strSQL."]");
$Num_Rows = mssql_num_rows($objQuery);

$Prev_Page = $Page-1;
$Next_Page = $Page+1;

$Page_Start = (($Per_Page*$Page)-$Per_Page);
if($Num_Rows<=$Per_Page)
{
	$Num_Pages =1;
}
else if(($Num_Rows % $Per_Page)==0)
{
	$Num_Pages =($Num_Rows/$Per_Page) ;
}
else
{
	$Num_Pages =($Num_Rows/$Per_Page)+1;
	$Num_Pages = (int)$Num_Pages;
}
$strSQL .=" ORDER BY  fac_name asc,fac_id asc,substafftype_id asc,stafftype_id asc,position_id desc,postline_name desc,max_edu desc LIMIT $Page_Start , $Per_Page";
$objQuery  = mssql_query($strSQL);

function fullname($max_edu,$fullname,$position_name,$prename,$substafftype_id,$postline_name,$position_id)
{
 if($substafftype_id==1)
	{
		if($max_edu==80)
			{ $dr="ดร."; 	return  $position_name." ".$dr." ".$fullname;}
		else
			{	return  $position_name.$fullname; }
	}
	else
	{
		if($max_edu==80)
			{ 
					if($position_id <> "00")
						{ 	$dr="ดร."; 
							return $position_name." ".$dr." ".$fullname;
						}
					else
						{
							return $dr." ".$fullname;
						}					
			}
		else
			{
					if($position_id <> "00")
						{ 	
							return $position_name.$fullname;
						}
					else
						{
							return $prename.$fullname;
						}								
			}
	}
}

function positionwork($substafftype_id,$postline_name,$position_name)
{
		if($substafftype_id==1)
		{
			return  $position_name;
		}
		else
		{
			return $postline_name;
		}
}
?>   
              <tr>
                <td><div align="right">               
                  <div align="center">
                    <div align="center">
                      <div align="center">
                        <div align="center">
                          <table >
                            <tr >
                              <td><table>
                                  <tr>
                                    <td>ที่</div></td>
                                    <td >
                                        <div align="left">ชื่อ-นามสกุล</div>
                                    </div></td>
                                    <td>&nbsp;</td>
                                    <td><div align="center" class="style18">
                                        <div align="left">ตำแหน่ง</div>
                                    </div></td>
                                    <td>&nbsp;</td>
                                    <td><div align="center" class="style18">
                                        <div align="left">สังกัด</div>
                                    </div></td>
                                  </tr>
<?
$i = 1;
if($Page > 1)
{
	$i = ($Per_Page * ($Page-1)) + 1; 
}
while($rss=mssql_fetch_array($objQuery))
{		
?>
                                  <tr>
                                    <td><div align="center" class="style48">
                                        <?=$i;?>
                                    </div></td>
                                    <td><div align="left"><span class="style48">
                                        <?=fullname($rss["max_edu"],$rss["fullname"],$rss["position_name_th"],$rss["prename"],$rss["substafftype_id"],$rss["postline_name"],$rss["position_id"]);?>
                                    </span> </div></td>
                                    <td>&nbsp;</td>
                                    <td><div align="left"><span class="style48">
                                        <?=positionwork($rss["substafftype_id"],$rss["postline_name"],$rss["position_name_th"]);?>
                                    </span></div></td>
                                    <td>&nbsp;</td>
                                    <td><div align="left"><span class="style48">
                                        <?=$rss["fac_name"];?>
                                    </span></div></td>
                                  </tr>
<?
		$i++;
}
?>                   
                                </table>
                                  <br />
                                  <p align="center" class="style45">
Total <?= $Num_Rows;?> Record : <?=$Num_Pages;?> Page :
<?
if($Prev_Page)
{
	echo " <a href='$_SERVER[SCRIPT_NAME]?Page=$Prev_Page'><< Back</a> ";
}

for($i=1; $i<=$Num_Pages; $i++){
	if($i != $Page)
	{
		echo "[ <a href='$_SERVER[SCRIPT_NAME]?Page=$i'>$i</a> ]";
	}
	else
	{
		echo "<b> $i </b>";
	}
}
if($Page!=$Num_Pages)
{
	echo " <a href ='$_SERVER[SCRIPT_NAME]?Page=$Next_Page'>Next>></a> ";
}
mssql_close($objConnect);
?>               </table>