+ 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;
+
+ // Firefox sometimes assigns relatedTarget a XUL element
+ // which we cannot access the parentNode property of
+ try {
+ // Traverse up the tree
+ while ( parent && parent !== this ) {
+ parent = parent.parentNode;
+ }
+
+ 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 );
+ }
+
+ // assuming we've left the element since we most likely mousedover a xul element
+ } catch(e) { }
+},
+
+// In case of event delegation, we only need to rename the event.type,
+// liveHandler will take care of the rest.
+delegate = function( event ) {
+ event.type = event.data;
+ jQuery.event.handle.apply( this, arguments );
+};
+
+// Create mouseenter and mouseleave events
+jQuery.each({
+ mouseenter: "mouseover",
+ mouseleave: "mouseout"
+}, function( orig, fix ) {
+ jQuery.event.special[ orig ] = {
+ setup: function( data ) {
+ jQuery.event.add( this, fix, data && data.selector ? delegate : withinElement, orig );
+ },
+ teardown: function( data ) {
+ jQuery.event.remove( this, fix, data && data.selector ? delegate : withinElement );
+ }
+ };
+});
+
+// submit delegation
+if ( !jQuery.support.submitBubbles ) {
+
+ jQuery.event.special.submit = {
+ setup: function( data, namespaces ) {
+ if ( this.nodeName.toLowerCase() !== "form" ) {
+ jQuery.event.add(this, "click.specialSubmit", function( e ) {
+ var elem = e.target, type = elem.type;
+
+ if ( (type === "submit" || type === "image") && jQuery( elem ).closest("form").length ) {
+ return trigger( "submit", this, arguments );
+ }
+ });
+
+ jQuery.event.add(this, "keypress.specialSubmit", function( e ) {
+ var elem = e.target, type = elem.type;
+
+ if ( (type === "text" || type === "password") && jQuery( elem ).closest("form").length && e.keyCode === 13 ) {
+ return trigger( "submit", this, arguments );
+ }
+ });
+
+ } else {
+ return false;