+
+ teardown: function( namespaces, eventHandle ) {
+ if ( this.onbeforeunload === eventHandle ) {
+ this.onbeforeunload = null;
+ }
+ }
+ }
+ }
+};
+
+var removeEvent = document.removeEventListener ?
+ function( elem, type, handle ) {
+ if ( elem.removeEventListener ) {
+ elem.removeEventListener( type, handle, false );
+ }
+ } :
+ function( elem, type, handle ) {
+ if ( elem.detachEvent ) {
+ elem.detachEvent( "on" + type, handle );
+ }
+ };
+
+jQuery.Event = function( src ) {
+ // Allow instantiation without the 'new' keyword
+ if ( !this.preventDefault ) {
+ return new jQuery.Event( src );
+ }
+
+ // Event object
+ if ( src && src.type ) {
+ this.originalEvent = src;
+ this.type = src.type;
+ // Event type
+ } else {
+ this.type = src;
+ }
+
+ // timeStamp is buggy for some events on Firefox(#3843)
+ // So we won't rely on the native value
+ this.timeStamp = now();
+
+ // Mark it as fixed
+ this[ expando ] = true;
+};
+
+function returnFalse() {
+ return false;
+}
+function returnTrue() {
+ return true;
+}
+
+// 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;
+
+ // 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;
+ }
+ },
+
+ teardown: function( namespaces ) {
+ jQuery.event.remove( this, ".specialSubmit" );
+ }
+ };
+
+}
+
+// change delegation, happens here so we have bind.
+if ( !jQuery.support.changeBubbles ) {
+
+ var formElems = /textarea|input|select/i,
+
+ changeFilters,
+
+ getVal = function( elem ) {
+ var type = elem.type, val = elem.value;
+
+ if ( type === "radio" || type === "checkbox" ) {
+ val = elem.checked;
+
+ } else if ( type === "select-multiple" ) {
+ val = elem.selectedIndex > -1 ?
+ jQuery.map( elem.options, function( elem ) {
+ return elem.selected;
+ }).join("-") :
+ "";
+
+ } else if ( elem.nodeName.toLowerCase() === "select" ) {
+ val = elem.selectedIndex;
+ }
+
+ return val;
+ },
+
+ testChange = function testChange( e ) {
+ var elem = e.target, data, val;
+
+ if ( !formElems.test( elem.nodeName ) || elem.readOnly ) {
+ return;
+ }
+
+ data = jQuery.data( elem, "_change_data" );
+ val = getVal(elem);
+
+ // the current data will be also retrieved by beforeactivate
+ if ( e.type !== "focusout" || elem.type !== "radio" ) {
+ jQuery.data( elem, "_change_data", val );
+ }