+ // 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 );
+ }
+
+},
+
+// 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, fn ) {
+ if ( this.nodeName.toLowerCase() !== "form" ) {
+ jQuery.event.add(this, "click.specialSubmit." + fn.guid, 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." + fn.guid, 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 );
+ }
+ });
+ }
+ },
+
+ remove: function( namespaces, fn ) {
+ jQuery.event.remove( this, "click.specialSubmit" + (fn ? "."+fn.guid : "") );
+ jQuery.event.remove( this, "keypress.specialSubmit" + (fn ? "."+fn.guid : "") );
+ }
+};
+
+}
+
+// change delegation, happens here so we have bind.
+if ( !jQuery.support.changeBubbles ) {
+
+jQuery.event.special.change = {
+ filters: {
+ click: function( e ) {
+ var elem = e.target;
+
+ if ( elem.nodeName.toLowerCase() === "input" && elem.type === "checkbox" ) {
+ return trigger( "change", this, arguments );
+ }
+
+ return changeFilters.keyup.call( this, e );
+ },
+ keyup: function( e ) {
+ var elem = e.target, data, index = elem.selectedIndex + "";
+
+ if ( elem.nodeName.toLowerCase() === "select" ) {
+ data = jQuery.data( elem, "_change_data" );
+ jQuery.data( elem, "_change_data", index );
+
+ if ( (elem.type === "select-multiple" || data != null) && data !== index ) {
+ return trigger( "change", this, arguments );
+ }
+ }
+ },
+ beforeactivate: function( e ) {
+ var elem = e.target;
+
+ if ( elem.nodeName.toLowerCase() === "input" && elem.type === "radio" && !elem.checked ) {
+ return trigger( "change", this, arguments );
+ }
+ },
+ blur: function( e ) {
+ var elem = e.target, nodeName = elem.nodeName.toLowerCase();
+
+ if ( (nodeName === "textarea" || (nodeName === "input" && (elem.type === "text" || elem.type === "password")))
+ && jQuery.data(elem, "_change_data") !== elem.value ) {
+
+ return trigger( "change", this, arguments );
+ }
+ },
+ focus: function( e ) {
+ var elem = e.target, nodeName = elem.nodeName.toLowerCase();
+
+ if ( nodeName === "textarea" || (nodeName === "input" && (elem.type === "text" || elem.type === "password" ) ) ) {
+ jQuery.data( elem, "_change_data", elem.value );