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diff --git a/includes/js/dojox/lang/functional/zip.js b/includes/js/dojox/lang/functional/zip.js
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+++ b/includes/js/dojox/lang/functional/zip.js
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+if(!dojo._hasResource["dojox.lang.functional.zip"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.lang.functional.zip"] = true;
+dojo.provide("dojox.lang.functional.zip");
+
+// This module adds high-level functions and related constructs:
+//	- zip combiners
+
+// Defined methods:
+//	- operate on dense arrays
+
+(function(){
+	var df = dojox.lang.functional;
+
+	dojo.mixin(df, {
+		// combiners
+		zip: function(){
+			// summary: returns an array of arrays, where the i-th array 
+			//	contains the i-th element from each of the argument arrays.
+			// description: This is the venerable zip combiner (for example,
+			//	see Python documentation for general details). The returned
+			//	array is truncated to match the length of the shortest input
+			//	array.
+			var n = arguments[0].length, m = arguments.length, i;
+			for(i = 1; i < m; n = Math.min(n, arguments[i++].length));
+			var t = new Array(n), j;
+			for(i = 0; i < n; ++i){
+				var p = new Array(m);
+				for(j = 0; j < m; p[j] = arguments[j][i], ++j);
+				t[i] = p;
+			}
+			return t;	// Array
+		},
+		unzip: function(/*Array*/ a){
+			// summary: similar to dojox.lang.functional.zip(), but takes 
+			//	a single array of arrays as the input.
+			// description: This function is similar to dojox.lang.functional.zip() 
+			//	and can be used to unzip objects packed by 
+			//	dojox.lang.functional.zip(). It is here mostly to provide 
+			//	a short-cut for the different method signature.
+			return df.zip.apply(null, a);	// Array
+		}
+	});
+})();
+
+}