php读取数据库中表问题

Question

后边的都没有问题，就是24行以前貌似有点问题。运行结果如下图。如果是正常显示的话，应该是每一栏里都能读取数据库里头的信息。<?php
//######################课题详细信息##########################
  include "config.php";
  include "header.php";?>
<title>课题详细信息</title>
<style type="text/css">
<!--
.STYLE1 {
font-size: 16px;
color: #FF0000;
}
.STYLE2 {font-size: 14px}
.STYLE3 {font-size: 12px}
-->
</style>
<p>
</p>
<?php        $query="select * from $jiaoshi_table where id='".$id."'";
mysql_query("set names 'GB2312'");
$result=mysql_query($query);
$row=mysql_fetch_array($result);
?><table width="700" border="1" align="center" cellpadding="0" cellspacing="1"  class="text">
  <!--DWLayoutTable-->
  <form name="form1" method="post" action="xiangxiziliao.php">
    <tr bgcolor="#E4E4E4"> 
      <td height="27" colspan="3"><span class="STYLE1 STYLE2">&gt;&gt;&gt;课题信息</span></td>    </tr>
<tr> 
      <td width="184" bgcolor="#FFFFFF"><div align="center" class="STYLE2">
        <div align="right">课题编号:</div>
      </div></td>
      <td width="507" bgcolor="#FFFFFF" height="39"> <input type="text" name="id" size="28" value="<?php echo $row['id'] ?>"  readonly="readonly">
      </td>
    </tr>
    <tr> 
      <td width="184" bgcolor="#E4E4E4"><div align="center" class="STYLE2">
        <div align="right">课题名称:</div>
      </div></td>
      <td width="507" bgcolor="#E4E4E4" height="39"> <input type="text" name="subject1" size="45" value="<?php echo $row['subject'] ?>" readonly="readonly">
      </td>
    </tr>
<tr> 
      <td width="184" bgcolor="#FFFFFF"><div align="center" class="STYLE2">
        <div align="right">指导教师姓名:</div>
      </div></td>
      <td width="507" bgcolor="#FFFFFF" height="36"> <input type="text" name="teacher1" size="30" value="<?php echo $row['teacher'] ?>" readonly="readonly">      </td>
    </tr>
<tr> 
      <td width="184" bgcolor="#E4E4E4"><div align="center" class="STYLE2">
        <div align="right">指导教师职称:</div>
      </div></td>
      <td width="507" bgcolor="#E4E4E4" height="41"> <input type="text" name="zhicheng1" size="25" value="<?php echo $row['zhicheng'] ?>" readonly="readonly">      </td>
    </tr>
<tr> 
      <td width="184" bgcolor="#FFFFFF"><div align="center" class="STYLE2">
        <div align="right">教师的研究方向:</div>
      </div></td>
      <td width="507" bgcolor="#FFFFFF" height="41"> <input type="text" name="specialized1" size="25" value="<?php echo $row['specialized'] ?>" readonly="readonly">      </td>
    </tr>
<tr> 
      <td width="184" bgcolor="#E4E4E4"><div align="center" class="STYLE2">
        <div align="right">课题专业代码:</div>
      </div></td>
      <td width="507" bgcolor="#E4E4E4" height="41"> <input type="text" name="code1" size="20" value="<?php echo $row['code'] ?>" readonly="readonly">
      <span class="STYLE3"></span></td>
    </tr>
<tr> 
      <td width="184" bgcolor="#FFFFFF"><div align="center" class="STYLE2">
        <div align="right">课题所需学生人数:</div>
      </div></td>
      <td width="507" bgcolor="#FFFFFF" height="41"> <input type="text" name="number1" size="20" value="<?php echo $row['number'] ?>" readonly="readonly">
      <span class="STYLE3"></span></td>
    </tr>
<tr> 
      <td width="184" bgcolor="#FFFFFF"><div align="center" class="STYLE2">
        <div align="right">课题简要说明:</div>
      </div></td>
      <td width="507" bgcolor="#FFFFFF" height="163"><label>
        <textarea name="introduction" cols="60" rows="10" readonly="readonly"><?php echo $row['beizhu'] ?></textarea>
      </label></td>
    </tr>
  </form>
</table>
<p>
</p>
<?php include "foot.php"?>