关于读取一个JSP文件，替换其内容的问题！！！！！！！！！！

我有一个JSP文件，内容如下：
<HTML>
<HEAD>
<TITLE></TITLE>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=gb2312">
<link href="1FHW61N0VU/public.css" rel="stylesheet" type="text/css">
</HEAD>
<BODY BGCOLOR=#FFFFFF LEFTMARGIN=0 TOPMARGIN=0 MARGINWIDTH=0 MARGINHEIGHT=0>
<TABLE WIDTH=778 BORDER=0 CELLPADDING=0 CELLSPACING=0 align="center">
<TR>

    <TD COLSPAN=2> <IMG SRC="1FHW61N0VU/index_1.gif" ALT="" WIDTH=778 HEIGHT=183 border="0" usemap="#Map"></TD>
</TR>
<TR>

    <TD ROWSPAN=3 background="1FHW61N0VU/index_7.gif" valign="top"> <IMG SRC="1FHW61N0VU/index_2.gif" ALT="" WIDTH=140 HEIGHT=703 border="0" usemap="#Map2"></TD>
<TD>
<IMG SRC="1FHW61N0VU/index_3.gif" WIDTH=638 HEIGHT=32 ALT=""></TD>
</TR>
<TR>
<TD WIDTH=638 HEIGHT=625 bgcolor="#FFFFFF" valign="top">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
  <tr valign="top">
    <td valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0">
              <tr valign="top">
    <td height="30">
</td>
  </tr>
  <tr> 
                <td valign="top"> <table width="100%" border="0" cellspacing="0" cellpadding="0">
                    <tr>
                      <td height="26" valign="bottom" ><img src="1FHW61N0VU/bg2_01.jpg" width="638" height="26"></td>
                    </tr>
                    <tr>
                      <td background="1FHW61N0VU/bg2_03.jpg" align="center" valign="top" height="565"><table width="96%" border="0" cellspacing="0" cellpadding="0">
                          <tr>
  <td>&nbsp;</td>
  </tr>
  <tr valign="top">
                            <td>
  <D:ProvideInfoList id="il1"/>
             <T:InfoList dataSourceID="il1" rowsCount="20" imgPath="../comres/infolist/cahead.jpg">
             </T:InfoList>
</td>
                          </tr>
                        </table></td>
                    </tr>
                    <tr>
                      <td><img src="1FHW61N0VU/bg2_04.jpg" width="638" height="14"></td>
                    </tr>
                  </table></td>
              </tr>
            </table></td>
  </tr>
</table>
</TD>
</TR>
<TR>
<TD>
<IMG SRC="1FHW61N0VU/index_5.gif" WIDTH=638 HEIGHT=46 ALT=""></TD>
</TR>
<TR>

    <TD COLSPAN=2> <IMG SRC="1FHW61N0VU/index_6.gif" ALT="" WIDTH=778 HEIGHT=49 border="0"></TD>
</TR>
</TABLE>
</body>
</html>
问题如下：我要通过ＤＥＬＰＨＩ将里面的1FHW61N0VU替换为其它字符串．请问如何操作！（没用程序的就不要回了！）