primefaces#3119

Author: tandraschko

src/main/resources/META-INF/resources/primefaces/accordion/accordion.js

@@ -53,7 +53,7 @@ PrimeFaces.widget.AccordionPanel = PrimeFaces.widget.BaseWidget.extend({
         }).click(function(e) {
             var element = $(this);
             if(!element.hasClass('ui-state-disabled')) {
-                var tabIndex = element.index() / 2;
+                var tabIndex = $this.headers.index(element);
 
                 if(element.hasClass('ui-state-active')) {
                     $this.unselect(tabIndex);
@@ -273,7 +273,7 @@ PrimeFaces.widget.AccordionPanel = PrimeFaces.widget.BaseWidget.extend({
         ext = {
             params: [
                 {name: this.id + '_tabId', value: panel.attr('id')},
-                {name: this.id + '_tabindex', value: parseInt(index / 2)}
+                {name: this.id + '_tabindex', value: parseInt(index)}
             ]
         };