gistfile1.diff

--- ganttcalendar/templates/gantt.html.orig     2014-02-14 11:31:40.046875000 +0900
+++ ganttcalendar/templates/gantt.html  2014-02-14 11:31:07.093750000 +0900
@@ -76,6 +76,7 @@
               <select name="sorted_field">
                 <option value="component" selected="${sorted_field=='component' or None}">component</option>
                 <option value="milestone" selected="${sorted_field=='milestone' or None}">milestone</option>
+                <option value="type" selected="${sorted_field=='type' or None}">type</option>
               </select><br/>
             </td>
           </tr>