NOTE --- Remember to do this for all your installed styles!

• FIND:

   NOTE --- This is a partial match, the whole line on a fresh subSilver template looks like this:
  		<td class="row2" valign="middle" nowrap="nowrap"><span class="genmed"><select class="post" name="sort_by">{S_SORT_OPTIONS}</select><br /><input type="radio" name="sort_dir" value="ASC" /> {L_SORT_ASCENDING}<br /><input type="radio" name="sort_dir" value="DESC" checked /> {L_SORT_DESCENDING}</span>&nbsp;</td>

  {S_SORT_OPTIONS}
  

• IN-LINE FIND:

  checked />
  

• IN-LINE REPLACE WITH:

  checked="checked" />