<body  onload="doIt()">
<SCRIPT>
function doIt() {
  var row = document.getElementById("foo");
  row.deleteCell(0);
  var cell = document.createElement("TD", null);
  var text = document.createTextNode("yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy yyy ");
  cell.appendChild(text);
  row.appendChild(cell);
}
</SCRIPT>
<TABLE BORDER=1>
 <TR>
  <TD>
   <TABLE BORDER=1 WIDTH="100%">
    <TR ID="foo">
     <TD>
text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text
     </TD>
    </TR>
   </TABLE>
  </TD>
  <TD>
text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text
  </TD>
 </TR>
</TABLE>