Align Objects missing

Hi! I’m using Blender 2.66a.
I select 2 objects. I try to align them but I couldn’t find Align Objects in my Blender.
under “Transform”, there are only
-Geometry to Origin
-Origin to Geometry
-Origin to 3D Cursor
-Origin to Center of Mass

Attachments




http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/3D_interaction/Align_Tools

Use search (spacebar) to find it.