void LoadingScreen::DoAppendText(const std::string& str)
{
  Wait();
  {
    Core::Element* input = root->GetElementById("content");
    Core::String   content;

    input->GetInnerRML(content);
    content = Core::String(content + "<br />" + str.c_str());
    input->SetInnerRML(content);
  }
  Post();
  Refresh();
}
// Moves all children to be under control of the widget.
void ElementFormControlSelect::OnUpdate()
{
	ElementFormControl::OnUpdate();

	// Move any child elements into the widget (except for the three functional elements).
	for(int child_index = 0;child_index<GetNumChildren();++child_index)
	{
		Core::Element* child = GetChild(child_index);

		// Check for a value attribute.
		Rocket::Core::String attribute_value = child->GetAttribute<Rocket::Core::String>("value", "");

		// Pull the inner RML and add the option.
		Rocket::Core::String rml;
		child->GetInnerRML(rml);
		widget->AddOption(rml, attribute_value, -1, child->GetAttribute("selected") != NULL, child->GetAttribute("unselectable") == NULL);
	}
	
	RemoveAllChildren();
}