<input type="checkbox" name="all_items[]" value="<!-- TMPL_VAR NAME="itemnumber" -->" checked="checked" style="display: none;" />
<!-- TMPL_IF NAME="od" -->
<input type="checkbox" name="items[]" value="<!-- TMPL_VAR NAME="itemnumber" -->" checked="checked" />
<input type="checkbox" name="all_items[]" value="<!-- TMPL_VAR NAME="itemnumber" -->" checked="checked" style="display: none;" />
<!-- TMPL_IF NAME="od" -->
<input type="checkbox" name="items[]" value="<!-- TMPL_VAR NAME="itemnumber" -->" checked="checked" />