Index: event.js
===================================================================
--- event.js	(revision 5718)
+++ event.js	(working copy)
@@ -202,8 +202,8 @@
 			if ( handle )
 				val = handle.apply( elem, data );
 
-			// Handle triggering native .onfoo handlers (and on links since we don't call .click() for links)
-			if ( (!fn || (jQuery.nodeName(elem, 'a') && type == "click")) && elem["on"+type] && elem["on"+type].apply( elem, data ) === false )
+			// Handle triggering native .onfoo handlers (and on links since we don't call .click() for links) and focus cause ie would throw 2 events
+			if ( (!fn || (jQuery.nodeName(elem, 'a') && type == "click") || type == "focus") && elem["on"+type] && elem["on"+type].apply( elem, data ) === false )
 				val = false;
 
 			// Extra functions don't get the custom event object
@@ -220,7 +220,7 @@
 			}
 
 			// Trigger the native events (except for clicks on links)
-			if ( fn && donative !== false && val !== false && !(jQuery.nodeName(elem, 'a') && type == "click") ) {
+			if ( fn && donative !== false && val !== false && !(jQuery.nodeName(elem, 'a') && type == "click") && type != "focus" ) {
 				this.triggered = true;
 				try {
 					elem[ type ]();