Reintroduced .offset() as a default include, added original author credits.

Makefile

@@ -12,7 +12,8 @@ BASE_FILES = ${SRC_DIR}/core.js\
 	${SRC_DIR}/selector.js\
 	${SRC_DIR}/event.js\
 	${SRC_DIR}/ajax.js\
-	${SRC_DIR}/fx.js
+	${SRC_DIR}/fx.js\
+	${SRC_DIR}/offset.js
 
 PLUGINS = ${PLUG_DIR}/button/*\
 	${PLUG_DIR}/center/*\

build.xml

@@ -50,6 +50,7 @@
             <fileset dir="${SRC_DIR}" includes="event.js" />
             <fileset dir="${SRC_DIR}" includes="ajax.js" />
             <fileset dir="${SRC_DIR}" includes="fx.js" />
+            <fileset dir="${SRC_DIR}" includes="offset.js" />
             <fileset dir="${PLUGIN_DIR}" includes="${PLUGINS}" />
             <fileset dir="${SRC_DIR}" includes="outro.js" />
         </concat>

src/offset.js

+// The Offset Method
+// Originally By Brandon Aaron, part of the Dimension Plugin
+// http://jquery.com/plugins/project/dimensions
 jQuery.fn.offset = function() {
 	var left = 0, top = 0, elem = this[0], results;