ติดปัญหา ระบบจัดการสมาชิกครับ ตรงค้นหาข้อมูลสมาชิกเหมือนไม่สมบรูณ์ครับ

<?php include"include/header.php"; ?>

	<div id="main_content">
<?php
$adjacents = 3;

$query = "SELECT COUNT(*) as num FROM $tb_user";
$total_pages = mysql_fetch_array(mysql_query($query));
$total_pages = $total_pages[num];

$targetpage = "user_info.php"; 	//your file name  (the name of this file)
$limit = 20; 								//how many items to show per page
$page = $_GET['page'];
if($page) 
	$start = ($page - 1) * $limit; 			//first item to display on this page
else
	$start = 0;	//if no page var is given, set start to 0
	
/* Get data. */

	$sql = "SELECT * FROM $tb_user";
	if($_POST['Search'])
	{
		if($_POST['type'] == "fl_name"){
			
			$dp_search = $_POST['dp_search'];
			$sql.=" where first_name like '%$dp_search%' or last_name like '%$dp_search%' ";
			
		}else if($_POST['type'] == "ur_email"){
		
			$dp_search = $_POST['dp_search'];
			$sql.=" where username like '%$dp_search%' or email like '%$dp_search%' ";
		
		}else if($_POST['type'] == "cm_tel"){
		
			$dp_search = $_POST['dp_search'];
			$sql.=" where company like '%$dp_search%' or phone2 like '%$dp_search%' ";
		
		}
	}
	$sql.=" ORDER BY user_id DESC LIMIT $start, $limit";
	$query = mysql_query($sql);
	
	/* Setup page vars for display. */
	if ($page == 0) $page = 1;					//if no page var is given, default to 1.
	$prev = $page - 1;							//previous page is page - 1
	$next = $page + 1;							//next page is page + 1
	$lastpage = ceil($total_pages/$limit);		//lastpage is = total pages / items per page, rounded up.
	$lpm1 = $lastpage - 1;						//last page minus 1
	
	/* 
		Now we apply our rules and draw the pagination object. 
		We're actually saving the code to a variable in case we want to draw it more than once.
	*/
	$pagination = "";
	if($lastpage > 1)
	{	
		$pagination .= "<div class=\"pagination\">";
		//previous button
		if ($page > 1) 
			$pagination.= "<a href=\"$targetpage?page=$prev\"><< previous</a>";
		else
			$pagination.= "<span class=\"disabled\"><< previous</span>";	
		
		//pages	
		if ($lastpage < 7 + ($adjacents * 2))	//not enough pages to bother breaking it up
		{	
			for ($counter = 1; $counter <= $lastpage; $counter++)
			{
				if ($counter == $page)
					$pagination.= "<span class=\"current\">$counter</span>";
				else
					$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";					
			}
		}
		elseif($lastpage > 5 + ($adjacents * 2))	//enough pages to hide some
		{
			//close to beginning; only hide later pages
			if($page < 1 + ($adjacents * 2))		
			{
				for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++)
				{
					if ($counter == $page)
						$pagination.= "<span class=\"current\">$counter</span>";
					else
						$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";					
				}
				$pagination.= "...";
				$pagination.= "<a href=\"$targetpage?page=$lpm1\">$lpm1</a>";
				$pagination.= "<a href=\"$targetpage?page=$lastpage\">$lastpage</a>";		
			}
			//in middle; hide some front and some back
			elseif($lastpage - ($adjacents * 2) > $page && $page > ($adjacents * 2))
			{
				$pagination.= "<a href=\"$targetpage?page=1\">1</a>";
				$pagination.= "<a href=\"$targetpage?page=2\">2</a>";
				$pagination.= "...";
				for ($counter = $page - $adjacents; $counter <= $page + $adjacents; $counter++)
				{
					if ($counter == $page)
						$pagination.= "<span class=\"current\">$counter</span>";
					else
						$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";					
				}
				$pagination.= "...";
				$pagination.= "<a href=\"$targetpage?page=$lpm1\">$lpm1</a>";
				$pagination.= "<a href=\"$targetpage?page=$lastpage\">$lastpage</a>";		
			}
			//close to end; only hide early pages
			else
			{
				$pagination.= "<a href=\"$targetpage?page=1\">1</a>";
				$pagination.= "<a href=\"$targetpage?page=2\">2</a>";
				$pagination.= "...";
				for ($counter = $lastpage - (2 + ($adjacents * 2)); $counter <= $lastpage; $counter++)
				{
					if ($counter == $page)
						$pagination.= "<span class=\"current\">$counter</span>";
					else
						$pagination.= "<a href=\"$targetpage?page=$counter\">$counter</a>";					
				}
			}
		}
		
		//next button
		if ($page < $counter - 1) 
			$pagination.= "<a href=\"$targetpage?page=$next\">next >></a>";
		else
			$pagination.= "<span class=\"disabled\">next >></span>";
		$pagination.= "</div>\n";		
	}
?>

<form id="form_sh" name="form1" method="post" action="">
ค้นหา<input name="dp_search" type="text" value="<?=$_POST['dp_search']?>" />
	<select name="type">
    	<option value="fl_name">ชื่อ-นามสกุล</option>
        <option value="ur_email">ชื่อผุ้ใช้-อีเมล์</option>
        <option value="cm_tel">ชื่อบริษัท-เบอร์โทรศัพท์</option>
    </select>
    <input name="Search" type="submit" value="ค้นหา" />
	</form>

<?=$pagination?>