Fix for #1402

diff --git a/src/event/event.js b/src/event/event.js
index f7cc993..f264a2c 100644 (file)
--- a/src/event/event.js
+++ b/src/event/event.js
@@ -227,8 +227,8 @@ jQuery.event = {
                // Calculate pageX/Y if missing and clientX/Y available
                if ( event.pageX == null && event.clientX != null ) {
                        var e = document.documentElement, b = document.body;
-                       event.pageX = event.clientX + (e && e.scrollLeft || b.scrollLeft);
-                       event.pageY = event.clientY + (e && e.scrollTop || b.scrollTop);
+                       event.pageX = event.clientX + (e && e.scrollLeft || b.scrollLeft || 0);
+                       event.pageY = event.clientY + (e && e.scrollTop || b.scrollTop || 0);
                }
                        
                // Add which for key events