Fixed location of calendar files for when mahara isn't installed at /

htdocs/lib/mahara.php

@@ -1005,7 +1005,7 @@ function pieform_validate(Pieform $form, $values) {
 }
 
 function pieform_element_calendar_configure($element) {
-    $element['jsroot'] = '/js/jscalendar/';
+    $element['jsroot'] = get_config('wwwroot') . 'js/jscalendar/';
     $element['themefile'] = theme_get_url('style/calendar.css');
     $element['imagefile'] = theme_get_url('images/calendar.gif');
     $element['language'] = 'en'; // @todo: language file names for the js calendar may need to be changed