-if ( !jQuery.browser.msie ){
- // Checks if an event happened on an element within another element
- // Used in jQuery.event.special.mouseenter and mouseleave handlers
- var withinElement = function(event) {
- // Check if mouse(over|out) are still within the same parent element
- var parent = event.relatedTarget;
- // Traverse up the tree
- while ( parent && parent != this )
- try { parent = parent.parentNode; }
- catch(e) { parent = this; }
-
- if( parent != this ){
- // set the correct event type
- event.type = event.data;
- // handle event if we actually just moused on to a non sub-element
- jQuery.event.handle.apply( this, arguments );
+// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
+// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
+jQuery.Event.prototype = {
+ preventDefault: function() {
+ this.isDefaultPrevented = returnTrue;
+
+ var e = this.originalEvent;
+ if ( !e ) {
+ return;
+ }
+ // if preventDefault exists run it on the original event
+ if ( e.preventDefault ) {
+ e.preventDefault();
+ }
+ // otherwise set the returnValue property of the original event to false (IE)
+ e.returnValue = false;
+ },
+ stopPropagation: function() {
+ this.isPropagationStopped = returnTrue;
+
+ var e = this.originalEvent;
+ if ( !e ) {
+ return;
+ }
+ // if stopPropagation exists run it on the original event
+ if ( e.stopPropagation ) {
+ e.stopPropagation();
+ }
+ // otherwise set the cancelBubble property of the original event to true (IE)
+ e.cancelBubble = true;
+ },
+ stopImmediatePropagation: function(){
+ this.isImmediatePropagationStopped = returnTrue;
+ this.stopPropagation();
+ },
+ isDefaultPrevented: returnFalse,
+ isPropagationStopped: returnFalse,
+ isImmediatePropagationStopped: returnFalse
+};
+// Checks if an event happened on an element within another element
+// Used in jQuery.event.special.mouseenter and mouseleave handlers
+var withinElement = function( event ) {
+ // Check if mouse(over|out) are still within the same parent element
+ var parent = event.relatedTarget;
+ // Traverse up the tree
+ while ( parent && parent != this ) {
+ // Firefox sometimes assigns relatedTarget a XUL element
+ // which we cannot access the parentNode property of
+ try { parent = parent.parentNode; }
+ // assuming we've left the element since we most likely mousedover a xul element
+ catch(e) { break; }
+ }
+
+ if ( parent != this ) {
+ // set the correct event type
+ event.type = event.data;
+ // handle event if we actually just moused on to a non sub-element
+ jQuery.event.handle.apply( this, arguments );
+ }
+};
+
+jQuery.each({
+ mouseover: 'mouseenter',
+ mouseout: 'mouseleave'
+}, function( orig, fix ) {
+ jQuery.event.special[ fix ] = {
+ setup: function(){
+ jQuery.event.add( this, orig, withinElement, fix );
+ },
+ teardown: function(){
+ jQuery.event.remove( this, orig, withinElement );