Function.prototype.bind = function(){ 
  var fn = this, args = [].slice.call(arguments),
    object = args.shift();
  return function(){ 
    return fn.apply(object, 
      args.concat([].slice.call(arguments))); 
  }; 
};

function tryMe() {	
    var args = [].slice.call(arguments)
    alert (args.join(','));
}

function callbackTester(callback) {
    callback ();
}

callbackTester (tryMe.bind(null, "hello", "the", "world"));