<?php
//tim tong so tra lai
function number($table,$catid)
	{
		$select="select * from $table where `catid`='$catid' order by location ASC";
		$result=mysql_query($select) or die("can't not truy van number");
		$n_record=mysql_num_rows($result);//so ban ghi cua bang 
		return $n_record;
	}
//so trang 
function num_page($p,$n_record) 
{ 
if($n_record%$p==0) 
{ 
$n_page=$n_record/$p; 
return $n_page; 
} 
else 
{ 
$n_page=($n_record-($n_record%$p))/$p+1; 
return $n_page; 
} 
} 
//hien so trang
function view_page($page_number,$n_record,$links,$p) 
{ 
$vonglap=num_page($p,$n_record);
echo "<DIV align='right'>";
echo "Trang:";
for($i=1;$i<=$vonglap;$i++) 
{ 
if ($page_number == $i){
echo "<a href='$links&page=".$i."'> [".$i."]</a>";
}else{
echo "<a href='$links&page=".$i."'> ".$i."</a>";
}
} 

} 
?>