ผมผิดตรงไหน ??...Warning: mssql_query() [function.mssql-query]: message: Incorrect syntax near '='

<?
include("config.inc.php");
$sql="select*from quiz where id_question=$id_question";
$dbquery = mssql_query($sql);                                        ///Line 20 ครับ

$result= mssql_fetch_array($dbquery);

$id_question=$result[id_question];
$title=$result[title];
$name=$result[name];
$message=$result[message];
$email=$result[email];
$date_q=$result[date_q];
print"<table width=532 border=1 align=center cellpadding=1 cellpacing=1 bordercolor=0000FF>";
print"<tr>";
print"<td width=703>";
print"<table windth=532 align=center>";
print"<tr bgcolor=003399>";
print"<td width=97><font color=FF6600><b>หัวกระทู้</b></font></td>";
print"<td width=417><font color=FF6600><b>".$title."</font></b></td>";
print"</tr>";
print"<tr bg color=CCCCCC>";
print"<td width=97><b>รายละเอียด</b></td>";
print"<td width=417>".$message."</td>";
print"</tr>";
print"<tr bgcolor=CCCCCC>";
print"<td width=97><b>ผู้ตั้งกระทู้</b></td>";
print"<td width=417>".$name."</td>";
print"</tr>";
print"</table>";
print"</td>";
print"</tr>";
print"</table>";

$sql="select*from ans where id_question=$id_question order by id_ans";
$dbquery=mssql_query($sql);                                                      ///Line 52 ครับ


$num_rows=mssql_num_rows($dbquery);
if($num_rows=='')
{
print"ยังไม่มีผู้แสดงความคิดเห็น";
}
$i=0;
while($i<$num_rows)
{
$rs=mssql_fetch_array($dbquery);
			$id_ans=$rs[id_ans];
			$id_question=$rs[id_question];
			
			$name=$rs[name];
			$message=$$rs[message];
			$email=$rs[email];
			$date_a=$rs[date_a];
			$n++;
			print"<br>";
	print"<table width=532 border=1 align=center cellpadding=1 cellspacing=1 bordercolor=0000FF>";
	print"<tr>";
print"<td width=703>";
	print"<table width=532 align=center>";
	print"<tr bgcolor=999999><div align=center><b>ความคิดเห็นที่ $n</b></div></tr>";
		print"<tr bgcolor=CCCCCC>";
		print"<td width=97>รายละเอียด</b></td>";
		print"<td width417>".$message."</td>";
		print"</tr>";
		print"<tr bgcolor=CCCCCC>";
print"<td width=97><b>จากคุณ</b></td>";
print"<td width=417>".$name."</td>";
print"</tr>";
print"</table>";
print"</td>";
print"</tr>";
print"</table>";
$i++;
}
mssql_close();
?>


มันขึ้น error อย่างงี้อ่ะครับ
Warning: mssql_query() [function.mssql-query]: message: Incorrect syntax near '='. (severity 15) in C:\AppServ\www\test\ans.php on line 20


Warning: mssql_query() [function.mssql-query]: message: Incorrect syntax near the keyword 'order'. (severity 15) in C:\AppServ\www\test\ans.php on line 52

ใช้คำสั่งผิดหรือยังไงครับ

ขอบคุณครับ