+ '<label for="year">From year (and earlier):</label> ' .
+ '<input id="year" maxlength="4" size="7" type="number" value="2011" name="year" /> ' .
+ '<label for="month">From month (and earlier):</label> ' .
+ '<select id="month" name="month" class="mw-month-selector">' .
+ '<option value="-1">all</option>' . "\n" .