Form.Methods.serialize = function(form, getHash, buttonPressed) {
  var elements = Form.getElements(form).reject(function(element) {
    return ['submit', 'button', 'image'].include(element.type);
  });
  
  if (buttonPressed || (buttonPressed = form.getElementsBySelector('*[type=submit]').first()))
    elements.push(buttonPressed);
  
  return Form.serializeElements(elements, getHash);
}

Element.addMethods();

Remote = {
  Base: {
    initialize : function(options) {
      this.options = Object.extend({
        evaluateScripts : true
      }, options || {});
    },
    _makeRequest : function(options) {
      if (options.update) new Ajax.Updater(options.update, options.url, options);
      else new Ajax.Request(options.url, options);
      return false;
    }
  }
};

Remote.Link = Behavior.create({
  onclick : function() {
    var options = Object.extend({ url : this.element.href, method : 'get' }, this.options);
    return this._makeRequest(options);
  }
});

Object.extend(Remote.Link.prototype, Remote.Base);

Remote.Form = Behavior.create({
  onclick : function(e) {
    var sourceElement = Event.element(e);
    
    if (sourceElement.nodeName.toLowerCase() == 'input' && 
        sourceElement.type == 'submit')
      this._submitButton = sourceElement;
  },
  onsubmit : function() {
    var options = Object.extend({
      url : this.element.action,
      method : this.element.method,
      parameters : Form.serialize(this.element, false, this._submitButton)
    }, this.options);
    this._submitButton = null;
    return this._makeRequest(options);
  }
});

Object.extend(Remote.Form.prototype, Remote.Base);