ทำระบบค้นหาแล้วมีปัญหาเรื่อง link page (หน้า 1,2,3,....) พอกดไปหน้า 2 แล้ว มันแสดงข้อมูลหมดค่ะ(ไม่แสดงเฉพาะเงื่อนไขที่เราหา)

<select name="Brand">
            <option value="<? echo $brand0 ?>"selected><? echo $brand0 ?></option>
            <option value="Acer">Acer</option>
            <option value="Apple">Apple</option>
            <option value="Asus">Asus</option>
            <option value="Axioo">Axioo</option>
            <option value="Benq">Benq</option>
            <option value="Compaq">Compaq</option>
            <option value="DELL">DELL</option>
            <option value="Fujitsu">Fujitsu</option>
            <option value="Gateway">Gateway</option>
            <option value="Gigabyte">Gigabyte</option>
            <option value="Hp">Hp</option>
            <option value="Kohjinsha">Kohjinsha</option>
            <option value="Lenovo">Lenovo</option>
            <option value="MSI">MSI</option>
            <option value="NEC">NEC</option>
            <option value="Samsung">Samsung</option>
            <option value="Sony">Sony</option>
            <option value="SVOA">SVOA</option>
            <option value="Toshiba">Toshiba</option>
            <option value="VZIO">VZIO</option>
          </select>

else if($brand0 != ""){
				
				if($cpu0 == ""){
					
					if($vga0 == ""){

$pagesize=6;
					
$result=mysql_query("SELECT * FROM tb_spec where Brand like '%$brand0%'");
$total=mysql_num_rows($result);

$totalpage=ceil($total/$pagesize);
$page=$_GET['page'];
if (!isset($page)) {
	$page=1;
	$goto=0;
} else {
	$goto=($page-1)*$pagesize;	
}					

						$count = 0;
						$qresult=mysql_query("SELECT * FROM tb_spec where Brand like '%$brand0%' ORDER BY ID ASC LIMIT $goto, $pagesize");
					while ($dbarr= mysql_fetch_array($qresult)) {
						$count++;
						$pic = $dbarr[Picture];
						$brand = $dbarr[Brand];
						$model = $dbarr[Model];
						$price = $dbarr[Price];
						$cpu = $dbarr[Processor];
						$ram = $dbarr[Memory];
						$vga = $dbarr[Graphic];
						$monitor = $dbarr[Display];
						if($count >3){
							echo"<tr>";
							
							}

						
echo "
						 <td>   
     					<div class='prod_box'>
        				<div class='top_prod_box'></div>
           				 <div class='center_prod_box'>            
               			  <div class='product_title'><a href='viewDetail3.php?id_edit=$model'>$brand&nbsp;&nbsp;$model</a></div>
                			 <div class='product_img'><img src ='image/$pic' width=200 ></div>
                			 <div class='prod_price'><span class='reduce'>B</span> <span class='price'>$price</span></div> 
							 <div class='prod_details_tab'>
							 <strong>CPU : &nbsp; $cpu </strong><br />
                             <strong>VGA : &nbsp; $vga </strong><br />
                             <strong>RAM : &nbsp; $ram </strong><br />
                             <strong>Monitor : &nbsp; $monitor </strong><br />
       						<a href='viewDetail3.php?id_edit=$model' class='prod_details' onClick='return confirm(ต้องการดูข้อมูลโน้ตบุ๊คยี่ห้อ $brand รุ่น $model ใช่หรือไม่)'>รายละเอียด</a>            
            </div>                     
        </div>
           			 </div>
           			 <div class='bottom_prod_box'></div>           
</td> ";
if($count >3){
							
							$count=0;
							
							}
}




If ($totalpage>1) {
	for ($i=1; $i<=$totalpage;$i++) {
		if ($i == $page) {
			echo "หน้า $page";
		} else {
		$qresult=mysql_query("SELECT * FROM tb_spec where Brand like '%$brand0%' ORDER BY ID ASC LIMIT $goto, $pagesize");
			echo "| <a href=\"search.php?page=$i\">$i</a>";
		}
	}
}


						}