merge

Author: adrai

flowchart-latest.js

@@ -1,4 +1,4 @@
-// flowchart, v1.1.2
+// flowchart, v1.1.3
 // Copyright (c)2013 Adriano Raiano (adrai).
 // Distributed under MIT license
 // http://adrai.github.io/flowchart.js
@@ -111,15 +111,25 @@
   }
 
   function _inherits(ctor, superCtor) {
-    ctor.super_ = superCtor;
-    ctor.prototype = Object.create(superCtor.prototype, {
-      constructor: {
-        value: ctor,
-        enumerable: false,
-        writable: true,
-        configurable: true
-      }
-    });
+    if (typeof(Object.create) === 'function') {
+      // implementation from standard node.js 'util' module
+      ctor.super_ = superCtor;
+      ctor.prototype = Object.create(superCtor.prototype, {
+        constructor: {
+          value: ctor,
+          enumerable: false,
+          writable: true,
+          configurable: true
+        }
+      });
+    } else {
+      // old school shim for old browsers
+      ctor.super_ = superCtor;
+      var TempCtor = function () {};
+      TempCtor.prototype = superCtor.prototype;
+      ctor.prototype = new TempCtor();
+      ctor.prototype.constructor = ctor;
+    }
   }
 
   // move dependent functions to a container so that