fix example.html

examples/CreateAndSignTx.js

@@ -2,7 +2,7 @@
 
 
 var run = function() {
-  var bitcore = require('../bitcore');
+  bitcore = bitcore || require('../bitcore');
 
   var priv    = 'cTgGUrcro89yUtKeG6gHBAS14r3qp25KwTTxG9d4kEzcFxecuZDm';
   var amt     = '0.005';

examples/example.html

@@ -90,7 +90,12 @@
       print("Private: " + o.priv);
       print("Public: " + o.pub);
       print("Addr: " + o.addr);
+
+      var module = { exports: {} };
+    </script>
+    <script src="./CreateAndSignTx.js"></script>
+    <script>
+      run();
     </script>
-    <script src="./createTx.js"></script>
   </body>
 </html>