pull out onChange handler for #input_apiKey so it can be called manually

dist/index.html

@@ -51,14 +51,24 @@
       sorter : "alpha"
     });
 
-    $('#input_apiKey').change(function() {
+    function addApiKeyAuthorization() {
         var key = $('#input_apiKey')[0].value;
         log("key: " + key);
         if(key && key.trim() != "") {
             log("added key " + key);
             window.authorizations.add("key", new ApiKeyAuthorization("api_key", key, "query"));
         }
-    })
+    }
+
+    $('#input_apiKey').change(function() {
+        addApiKeyAuthorization();
+    });
+
+    // if you have an apiKey you would like to pre-populate on the page for demonstration purposes...
+    // var apiKey = "myApiKeyXXXX123456789";
+    // $('#input_apiKey').val(apiKey);
+    // addApiKeyAuthorization();
+
     window.swaggerUi.load();
   });
   </script>