Squashed commit of the following:

commit 4919f3dad9f2c5e31bd194b722a3672b95a99e06
Author: Jon Buckley <jon@jbuckley.ca>
Date:   Wed May 11 16:48:57 2011 -0400

    Fix make package-sketch so that it works with the redefined globals

commit 3636b59
Author: David Humphrey <david.humphrey@senecac.on.ca>
Date:   Wed May 11 15:36:38 2011 -0400

    Better minification for window, document, Math [ticket 494].

Makefile

@@ -112,7 +112,7 @@ package-sketch:
 	echo "function ${SKETCHRUN}(canvas) {" > ${SKETCHOUTPUT}.src
 	${JSSHELL} -f ${TOOLSDIR}/jspreprocess.js -e "PARSER=false;preprocess();" < processing.js >> ${SKETCHOUTPUT}.src
 	echo "return new Processing(canvas," >> ${SKETCHOUTPUT}.src
-	${JSSHELL} -f processing.js -f ${TOOLSDIR}/jscompile.js  < ${SKETCHINPUT} >> ${SKETCHOUTPUT}.src
+	${JSSHELL} -f ${TOOLSDIR}/fake-dom.js -f processing.js -f ${TOOLSDIR}/jscompile.js < ${SKETCHINPUT} >> ${SKETCHOUTPUT}.src
 	echo "); } window['${SKETCHRUN}']=${SKETCHRUN};" >> ${SKETCHOUTPUT}.src
 	java -jar ${CLOSUREJAR} --js=${SKETCHOUTPUT}.src --js_output_file=${SKETCHOUTPUT} --compilation_level ADVANCED_OPTIMIZATIONS
 	rm ${SKETCHOUTPUT}.src

processing.js

@@ -16,9 +16,7 @@
 
  */
 
-(function() {
-
-  var undef; // intentionally left undefined
+(function(window, document, Math, undef) {
 
   var ajax = function(url) {
     var xhr = new XMLHttpRequest();
@@ -19371,4 +19369,4 @@
     // DOM is not found
     this.Processing = Processing;
   }
-}());
+}(window, window.document, Math));