如何获得表格内的数据?如将其写入CELL插件

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=unicode">
<META content="MSHTML 6.00.2600.0" name=GENERATOR></HEAD>
<BODY><TABLE id="table1" BORDER=1 CELLSPACING=1 CELLPADDING=1>
<TR>
<TD>a</TD>
<TD>b</TD>
<TD>c</TD>
</TR>
<TR>
<TD>d</TD>
<TD>e</TD>
<TD>f</TD>
</TR>
<TR>
<TD>g</TD>
<TD>h</TD>
<TD>i</TD>
</TR>
</TABLE>
<SCRIPT LANGUAGE=javascript>
<!--
   alert(table1.rows[0].cells(0).innerHTML);
//-->
</SCRIPT>
</BODY></HTML>