Fixed defaultTab selecting across instances if last tab was with current instance

lib/jquery.easytabs.js

@@ -48,6 +48,7 @@
         $defaultTab,
         $defaultTabLink,
         transitions,
+        lastHash,
         skipUpdateToHash,
         animationSpeeds = {
           fast: 200,
@@ -285,6 +286,7 @@
       } else if( ! $clicked.hasClass(settings.tabActiveClass) || ! $targetPanel.hasClass(settings.panelActiveClass) ){
         plugin.activateTab($clicked, $targetPanel, ajaxUrl, callback);
       }
+
     };
 
     plugin.toggleTabCollapse = function($clicked, $targetPanel, ajaxUrl, callback) {
@@ -345,7 +347,8 @@
             targetHeight,
             visibleHeight,
             heightDifference,
-            showPanel;
+            showPanel,
+            hash = window.location.hash.match(/^[^\?]*/)[0];
 
         if (settings.animate) {
           targetHeight = plugin.getHeightForHidden($targetPanel);
@@ -353,6 +356,10 @@
           heightDifference = targetHeight - visibleHeight;
         }
 
+        // Set lastHash to help indicate if defaultTab should be
+        // activated across multiple tab instances.
+        lastHash = hash;
+
         // TODO: Move this function elsewhere
         showPanel = function() {
           // At this point, the previous panel is hidden, and the new one will be selected
@@ -458,10 +465,9 @@
           // If default tab is not active...
           } else if ( ! $defaultTab.hasClass(settings.tabActiveClass) && ! settings.cycle ) {
 
-            // ...and hash is blank or matches a parent of the tab container
-            // TODO: probably make this also switch to defaultTab if the last tab (before the hash updated) was
-            // one of the other tabs in this container.
-            if ( hash === '' || $container.closest(hash).length ) {
+            // ...and hash is blank or matches a parent of the tab container or
+            // if the last tab (before the hash updated) was one of the other tabs in this container.
+            if ( hash === '' || plugin.matchTab(lastHash).length || $container.closest(hash).length ) {
               skipUpdateToHash = true;
               plugin.selectTab( $defaultTabLink );
             }