diff --git a/ui/TODO.otl b/ui/TODO.otl
index 5f5c1ff4..3cc74323 100755
--- a/ui/TODO.otl
+++ b/ui/TODO.otl
@@ -112,7 +112,7 @@ Priority work
 				[X] disable transitions...
 				[_] basic wrapper
 				| hook-in os-specific API
-	[_] 23% Preview II (optional features)
+	[_] 25% Preview II (optional features)
 		[_] slideshow...
 		[_] 50% serialization/deserialization
 			[X] JSON loader/unloader
@@ -153,10 +153,10 @@ Priority work
 		[_] double tap/click to zoom (a-la iPad)
 		| fit <-> actual pixels (max)
 		[_] pinch to zoom
-		[_] 33% add sort/re-sort capability...
+		[_] 66% add sort/re-sort capability...
 			[X] abstract out image id
 			[_] replace id (use something else like filename)
-			[_] in-place sort ribbons
+			[X] in-place sort ribbons
 		[_] 50% option to disable processor intensive features
 			[X] global transitions
 			[_] global opacity -- do a layout without opacity
@@ -203,9 +203,13 @@ Priority work
 		[X] viewer
 		[_] select source
 		[_] slideshow
-	[X] 100% ribbon sorting
+	[X] 100% image sorting
 		[X] ribbon navigation
 		[X] shift image between ribbons
+		[X] 100% basic large scale operations
+			[X] sort all images
+			[X] reverse all images
+			[X] reverse ribbons
 	[_] 0% metadata
 		[_] tag filtering
 		[_] tag editing
diff --git a/ui/gallery-prototype.js b/ui/gallery-prototype.js
index 4ae9ecba..2111b01e 100755
--- a/ui/gallery-prototype.js
+++ b/ui/gallery-prototype.js
@@ -1103,6 +1103,7 @@ var shiftImageUp = function(){ return shiftImage('prev') }
 
 
 // reverse the ribbon order...
+// NOTE: this is like flipping the field vertically...
 function reverseRibbons(){
 	var ribbons = $('.ribbon')
 	var field = $('.field')
@@ -1129,18 +1130,24 @@ function sortImages(){
 }
 
 
-
-// this will reverse the order of images in all ribbons by reversing 
-// id attr and resorting...
-function reverseImageOrder(){
+// use the cmp function to update image id's and resort...
+function resortImagesVia(cmp){
 	// reverse ID order...
-	$($('.image').get().sort(cmpImageOrder).reverse())
+	$($('.image').get().sort(cmp))
 		.each(function(i, e){$(e).attr({'id': i})})
 	// resort the images...
 	sortImages()
 }
 
 
+// reverse the order of images in all ribbons by reversing their id attr
+// and resorting...
+// NOTE: this is like flipping the field horizontally...
+function reverseImageOrder(){
+	resortImagesVia(function(a, b){return cmpImageOrder(b, a)})
+}
+
+
 
 
 /*********************************************************************/