Index: src/webapp/components/reorderer/js/Reorderer.js
===================================================================
--- src/webapp/components/reorderer/js/Reorderer.js	(revision 9805)
+++ src/webapp/components/reorderer/js/Reorderer.js	(working copy)
@@ -211,6 +211,7 @@
                     }
             
                 } else if (noModifier(evt)) {
+                    item.blur();
                     $(relativeItem.element).focus();
                 }
                 return false;
Index: src/webapp/framework/core/js/jquery.keyboard-a11y.js
===================================================================
--- src/webapp/framework/core/js/jquery.keyboard-a11y.js	(revision 9805)
+++ src/webapp/framework/core/js/jquery.keyboard-a11y.js	(working copy)
@@ -334,6 +334,9 @@
 
     var selectableFocusHandler = function(selectionContext) {
         return function(evt) {
+            // newer browsers (FF 3.6, Webkit 4) have a form of "bug" in that they will go bananas
+            // on attempting to move focus off an element which has tabindex dynamically set to -1.
+            $(evt.target).fluid("tabindex", 0);
             selectElement(evt.target, selectionContext);
 
             // Force focus not to bubble on some browsers.
@@ -343,6 +346,7 @@
 
     var selectableBlurHandler = function(selectionContext) {
         return function(evt) {
+            $(evt.target).fluid("tabindex", selectionContext.options.selectablesTabindex);
             unselectElement(evt.target, selectionContext);
 
             // Force blur not to bubble on some browsers.
@@ -364,6 +368,9 @@
     };
 
     var prepareShift = function(selectionContext) {
+        // part of FLUID-3590 fix. To add insult to injury, the "new broken browsers" will not
+        // fire blur when programmatically transferring focus
+        selectionContext.selectedElement().blur();
         unselectElement(selectionContext.selectedElement(), selectionContext);
         if (selectionContext.activeItemIndex === NO_SELECTION) {
           selectionContext.activeItemIndex = -1;