Does not work in internet explorer 6

<table width="375" align="center">
    
    <tr>
      <td colspan="2" align="right" valign="top"><div align="left"><strong>Entry Form </strong></div></td>
    </tr>
    <tr>
      <td width="63" align="right" valign="top"><div align="left">Name </div></td>
      <td width="300" valign="top">
        <input name="Name" size="30" />      </td>
    </tr>
    
    <tr>
      <td valign="top" align="right"><div align="left">E-mail </div></td>
      <td valign="top">
        <input name="Email" size="30" />      </td>
    </tr>
    <tr>
      <td valign="top" align="right"><div align="left">Course</div></td>
      <td valign="top"><label>
        <input name="Course" type="text" size="30" />
      </label></td>
    </tr>
    
    <tr>
      <td colspan="2" align="right" valign="top">             </td>
    </tr>
    <tr>
      <td align="right" valign="top"><div align="left">
        <div align="left">Campus </div>
      <label>      </label></td>
      <td><select name="Campus">
        <option value="Stirling University">Stirling University</option>
        <option value="Forth Valley College">Forth Valley College</option>
      </select></td>
    </tr>
    <tr>
      <td>DOB</td>
      <td><label>
        <input name="Date of Birth" type="text" size="30" />
      </label></td>
    </tr>
    <tr>
      <td colspan="2" align="right" valign="top"> </td>
    </tr>
    <tr>
      <td align="right" valign="top"><label>
        <div align="left">Sex</div>
      </label></td>
      <td align="right" valign="top"><div align="left">
        <select name="Campus">
          <option value="Male">Male</option>
          <option value="Female">Female</option>
        </select>
      </div></td>
    </tr>
    <tr>
      <td colspan="2" align="right" valign="top"></td>
    </tr>
    
    <tr>
      <td valign="top" align="right"><div align="left">Phone</div></td>
      <td valign="top"><label>
        <input name="Phone" type="text" size="30" />
      </label></td>
    </tr>
    <tr>
      <td colspan="2" align="right" valign="top"><div align="left"><br />
      My Suggestion is </div></td>
    </tr>
    <tr>
      <td valign="top" align="right"></td>
      <td valign="top"><form action="" method="post" name="form1" id="form1">
        <label>
        <input name="textfield" type="text" size="45" />
        </label>
      </form>
      </td>
    </tr>
    <tr>
      <td colspan="2" align="center"><p align="right">
        <input type="submit" value="Send" name="submitform" />
      </p></td>
    </tr>
  </table>