江湖救急：如何将如下的html代码，用ExtJs实现

<body>
<table width="100%" height="100%" border="0" cellpadding="0" cellspacing="0">
  <tr>
    <td bgcolor="#e5f6cf">&nbsp;</td>
  </tr>
  <tr>
    <td height="608" background="images/login_03.gif">
<table width="862" border="0" align="center" cellpadding="0" cellspacing="0">
      <tr>
        <td height="266" background="images/login_04.gif">&nbsp;</td>
      </tr>
      <tr>
        <td height="95">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
          <tr>
            <td width="424" height="95" background="images/login_06.gif">&nbsp;</td>
            <td width="183" background="images/login_07.gif">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
              <tr>
                <td width="21%" height="30"><div align="center"><span class="STYLE3">用户</span></div></td>
                <td width="79%" height="30"><input type="text" name="textfield"  style="height:18px; width:130px; border:solid 1px #cadcb2; font-size:12px; color:#81b432;"></td>
              </tr>
              <tr>
                <td height="30"><div align="center"><span class="STYLE3">密码</span></div></td>
                <td height="30"><input type="password" name="textfield2"  style="height:18px; width:130px; border:solid 1px #cadcb2; font-size:12px; color:#81b432;"></td>
              </tr>
              <tr>
                <td height="30">&nbsp;</td>
                <td height="30"><img src="images/dl.gif" width="81" height="22" border="0" usemap="#Map"></td>
              </tr>
            </table></td>
            <td width="255" background="images/login_08.gif">&nbsp;</td>
          </tr>
        </table></td>
      </tr>
      <tr>
        <td height="247" valign="top" background="images/login_09.gif">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
          <tr>
            <td width="22%" height="30">&nbsp;</td>
            <td width="56%">&nbsp;</td>
            <td width="22%">&nbsp;</td>
          </tr>
          <tr>
            <td>&nbsp;</td>
            <td height="30">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
              <tr>
                <td width="44%" height="20">&nbsp;</td>
                <td width="56%" class="STYLE4">版本 2011V1.0 </td>
              </tr>
            </table>
</td>
            <td>&nbsp;</td>
          </tr>
        </table>
</td>
      </tr>
    </table>
</td>
  </tr>
  <tr>
    <td bgcolor="#a2d962">&nbsp;</td>
  </tr>
</table><map name="Map">
<area shape="rect" coords="3,3,36,19" href="#"><area shape="rect" coords="40,4,78,19" href="#">
</map></body>