Fix for #1322

diff --git a/src/event/event.js b/src/event/event.js
index bea2cba..52416e0 100644 (file)
--- a/src/event/event.js
+++ b/src/event/event.js
@@ -226,9 +226,9 @@ jQuery.event = {
 
                // Calculate pageX/Y if missing and clientX/Y available
                if ( event.pageX == null && event.clientX != null ) {
-                       var e = document.documentElement || document.body;
-                       event.pageX = event.clientX + e.scrollLeft;
-                       event.pageY = event.clientY + e.scrollTop;
+                       var e = document.documentElement, b = document.body;
+                       event.pageX = event.clientX + (e && e.scrollLeft || b && b.scrollLeft);
+                       event.pageY = event.clientY + (e && e.scrollTop || b && b.scrollTop);
                }
                        
                // Add which for key events