คืออยากให้ดู script php ที่เขียนว่าผิดตรงไหนอะครับ (แก้แล้วครับทำได้แล้ว)

<?
include "connect.php";
include "function.php";
$number=$_GET[number];
$sql="select * from tb_question order by id_ques desc"; 
$result=mysql_db_query($dbname,$sql);
//หัวข้อตาราง
echo "
<h3> Webboard กระทู้ ถาม - ตอบ</h3>
<a href='guestion_form.php'>ตั้งคำถามใหม่</a><p>
<table width='80%' border='1'>
  <tr bgcolor='#D2E9FF'> 
    <td width='8%'><center><b><font size='2' face='MS Sans Serif'>รหัส</font></b></center></td>
    <td width='61%'> <center><b><font size='2' face='MS Sans Serif'>หัวข้อคำถาม</font></b></center></td>
    <td width='15%'> <center><b><font size='2' face='MS Sans Serif'>ผู้ตั้งคำถาม</font></b></center></td>
    <td width='16%'> <center><b><font size='2' face='MS Sans Serif'>ตั้งเมื่อวันที่</font></b></center></td>
  </tr>";
//ดึงข้อมูลในฐานข้อมูล mysql เก็บไว้ในตัวแปร Array
$i=1;
while($record=mysql_fetch_array($result)) {
	
	$id_ques[$i]=$record[id_ques];
	$title_ques[$i]=$record[title_ques];
	$detail_ques[$i]=$record[detail_ques];
	$name_ques[$i]=$record[name_ques];
	$email_ques[$i]=$record[email_ques];
	$date_ques[$i]=$record[date_ques];
	
	
	$detail_ques[$i]=nl2br($detail_ques);

	
	$date_ques[$i]=displaydate($date_ques);
	$i++;
	

} // end while
//ตรวจสอบว่ามีการคลิกเลือกหน้า 1 หรือ 2 หรือ 3 ... แล้วก็แสดงกระทู้
if($id_ques[1]!="") {
if($numder==1 or $numder=="") {
	$numder=1*10;
	$x=1;
	while($x<=$numder) {
		
		if($id_ques[$x]!="") {
echo "
	<tr bgcolor='#FFFFFF'> 
		<td width='8%'><center><font size='2' face='MS Sans Serif'>#$id_ques[$x]</font></center></td>
		<td width='61%'> <font size='2' face='MS Sans Serif'><a href='answer_view.php?id_ques=$id_ques[$x]'>$title_ques[$x]</a></font></td>
		<td width='15%'> <center><font size='2' face='MS Sans Serif'>$name_ques[$x]</font></center></td>
		<td width='16%'> <center><font size='2' face='MS Sans Serif'>$date_ques[$x]</font></center></td>
	</tr>";
	
		}
		$x++;
	}
}elseif($numder>=2) {
	$numder=($numder-1)*10;
	$x=$numder+1;
	$numderi=$numder+10;
	while($x<=$numderi) {
		
		if($id_ques[$x]!="") {
echo "
	<tr bgcolor='#FFFFFF'> 
		<td width='8%'><center><font size='2' face='MS Sans Serif'>#$id_ques[$x]</font></center></td>
		<td width='61%'> <font size='2' face='MS Sans Serif'><a href='answer_view.php?id_ques=$id_ques[$x]'>$title_ques[$x]</a></font></td>
		<td width='15%'> <center><font size='2' face='MS Sans Serif'>$name_ques[$x]</font></center></td>
		<td width='16%'> <center><font size='2' face='MS Sans Serif'>$date_ques[$x]</font></center></td>
	</tr>";
	
		}
		$x++;
	}
}
}
echo "</table>";
echo "หน้าที่ : &nbsp;";

//แสดงหน้า

$n=$i/10;
if($n<1){
	$n=1;
        //Link เลือกหน้า
	echo "<a href='webboard.php?number=$n'>$n</a>&nbsp;";
}
else
{
	$n+=1;
        //Link เลือกหน้า
for($y=1;$y<=$n;$y++) {
	echo "<a href='webboard.php?number=$y'>$y</a>&nbsp;";
}
}
?>

<?
include "connect.php";
include "function.php";
$start=$_GET[start];
$sql="select * from tb_question order by id_ques desc"; 
$result=mysql_db_query($dbname,$sql);


if(!isset($start)){
$start = 0;
}
$limit = '10';
  
$Qtotal = mysql_query("select * from tb_question");
$total = mysql_num_rows($Qtotal);

$Query = mysql_query("SELECT * FROM tb_question ORDER BY id_ques DESC LIMIT $start,$limit");
$totalp = mysql_num_rows($Query);

printf("มีหัวข้อทั้งหมด %d หัวข้อ / ",$total);
printf("แสดงหน้าละ %d หัวข้อ<br />",$totalp);

echo "
<h3> Webboard กระทู้ ถาม - ตอบ</h3>
<a href='guestion_form.php'>ตั้งคำถามใหม่</a><p>
<table width='80%' border='1'>
  <tr bgcolor='#D2E9FF'> 
    <td width='8%'><center><b><font size='2' face='MS Sans Serif'>รหัส</font></b></center></td>
    <td width='61%'> <center><b><font size='2' face='MS Sans Serif'>หัวข้อคำถาม</font></b></center></td>
    <td width='15%'> <center><b><font size='2' face='MS Sans Serif'>ผู้ตั้งคำถาม</font></b></center></td>
    <td width='16%'> <center><b><font size='2' face='MS Sans Serif'>ตั้งเมื่อวันที่</font></b></center></td>
  </tr>";
  


while($record = mysql_fetch_array($Query)){

	$id_ques=$record[id_ques];
	$title_ques=$record[title_ques];
	$detail_ques=$record[detail_ques];
	$name_ques=$record[name_ques];
	$email_ques=$record[email_ques];
	$date_ques=$record[date_ques];
	
	
	$detail_ques[$i]=nl2br($detail_ques);

	
	$date_ques[$i]=displaydate($date_ques);

echo "
	<tr bgcolor='#FFFFFF'> 
		<td width='8%'><center><font size='2' face='MS Sans Serif'>#$id_ques</font></center></td>
		<td width='61%'> <font size='2' face='MS Sans Serif'><a href='answer_view.php?id_ques=$id_ques'>$title_ques</a></font></td>
		<td width='15%'> <center><font size='2' face='MS Sans Serif'>$name_ques</font></center></td>
		<td width='16%'> <center><font size='2' face='MS Sans Serif'>$date_ques</font></center></td>
	</tr>";
}

$page = ceil($total/$limit);

for($i=1;$i<=$page;$i++){
if($_GET['page']==$i){
echo "[<a href='?start=".$limit*($i-1)."&page=".$i."'><B>".$i."</B></A>]";
}else{
echo "[<a href='?start=".$limit*($i-1)."&page=".$i."'>".$i."</A>]";
}
}
 
?>