การเลือกโชว์ข้อมูลเฉพาะภาษาใดภาษานึงเราต้องมีการเขียนค่าดักโค๊ดอย่างไรบ้างครับ

<div id="container">
  <div id="top"><img src="images/logo.jpg" width="750" height="98" /></div>
  
<div id="navcontainer">

</div>
  <div id="leftnav">
  
    <h2>Search Blog</h2>
	
	<form name="frmSearch" method="get" action="viewblogs3.php" onSubmit="JavaScript:return fncSubmit();">
        <p>
		<input name="txtKeyword" type="text" id="txtKeyword" class="search" />
        <input type="submit" value="Search" class="searchSubmit" />
        </p>
      </form>
	  
	<ul style="list-style-type: none;">
	<h2><a href="index.php">Blog</a></h2>
	
	<?php
				//$numid=อันนี้เรียกมาจากหน้า Connect.inc.php เพื่อกำหนด ID อย่าลืมเช็คถ้ามีการตั้งบลอคIDใหม่//
			$rs=mysql_query('select * from tb_k2_categories where tb_k2_categories.id='.$numid);
			while( $ro=mysql_fetch_assoc($rs)){
			//แสดง mainmenu
			//echo "<li><b>$ro[name]</b><br>";

			$rs2=mysql_query('select * from tb_k2_categories where tb_k2_categories.parent='.$ro['id']);
			while( $ro2=mysql_fetch_assoc($rs2)){
            // แสดงส่วนของsubmenu
		 //echo "<li>$ro2[name] </li>"; ?>
		 <a href="viewblogs2.php?ID=<?=$ro2["id"];?>" class="readmore"><?=$ro2["name"];?></a><br>
<?php
		}
	}
?>
</ul>
    <?php
			
			$strSQL = "SELECT 
			tb_k2_categories.id,tb_k2_items.id,tb_k2_categories.parent, tb_k2_items.catid, tb_k2_items.title, tb_k2_items.introtext,tb_k2_items.created
				FROM tb_k2_items left join tb_k2_categories ON tb_k2_items.catid = tb_k2_categories.id
					WHERE tb_k2_categories.parent = ".$numid;	
			
			$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
			$Num_Rows = mysql_num_rows($objQuery);
//echo $strSQL; 
//exit;
?>
    </ul>
    
  </div>
  <div id="content">
    <h2>Welcome to&nbsp;<span style="color: #b29b35">TTD_KM&nbsp;</span>Blog</h2><br />
	
 <?php   $Per_Page = 3;   // Per Page

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

$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 tb_k2_items.id DESC LIMIT $Page_Start , $Per_Page";
$objQuery  = mysql_query($strSQL);

while($objResult = mysql_fetch_array($objQuery))
{
?>

<?php
	$str1 = $objResult["title"];
    $str = $objResult["introtext"];

?>

    <p><img class="imgleft" src="images/1.png" alt="" /><h2><?php echo mb_substr($str1,0,50,'UTF-8');?>...</h2> <br />
      <?php echo mb_substr($str,0,220,'UTF-8');?>&nbsp;.....
    </p>
<?php 
//echo $objResult["id"]; 
//exit;
?>
 <p class="post"> <a href="viewblogs.php?ID=<?=$objResult["id"];?>" class="readmore">Read more</a><span class="date"><?=$objResult["created"];?></span></p><br />
<?

}
?>
&nbsp;&nbsp;&nbsp;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=$Next_Page'>Next>></a> ";
}
mysql_close($objConnect);

?>
  </div>