.removeLastObject = function () {
            this.stuff.pop();
            this.length -= 1;
        }
    </script>
    <script type="text/javascript">
        
        // Unit Test functions
        
        // This tests a simple call with no arguments
        function testCallback () {
            GAJavaScript.performSelector('callbackNoArgs');
        }
        
        function testCallbackOneArg () {
            GAJavaScript.performSelector('callbackOneArg:', "Hello World");            
        }
  