‘This is an HTML TextArea Control Set To Run As A Server Control…

<TEXTAREA OnKeydown="AllowTabCharacter()" style="Z-INDEX: 102; LEFT: 29px; WIDTH: 602px; POSITION: absolute; TOP: 46px; HEIGHT: 353px" rows="22" cols="72" id="TEXTAREA1" name="TEXTAREA1" runat="server">

<script language="JavaScript">

function AllowTabCharacter() {

   if (event != null) {

      if (event.srcElement) {

         if (event.srcElement.value) {

            if (event.keyCode == 9) {  // tab character

               if (document.selection != null) {

                  document.selection.createRange().text = '\t';

                  event.returnValue = false;

               }

               else {

                  event.srcElement.value += '\t';

                  return false;

               }

            }

          }

      }

   }

}

</script>