function ButtonControl(controlDiv, map, owner) {
    controlDiv.style.padding = '5px';
    controlDiv.style.float = 'left';

    var countriesButton = document.createElement('input');
    countriesButton.id = "CountriesButton";
    countriesButton.Name = "CountriesButton";
    countriesButton.style.fontFamily = 'Arial,sans-serif';
    countriesButton.style.fontSize = '12px';
    countriesButton.style.paddingLeft = '4px';
    countriesButton.style.paddingRight = '4px';
    countriesButton.style.float = 'left';
    countriesButton.value = 'Страны';
    countriesButton.type = "button";
    countriesButton.style.visibility = 'hidden';

    var continentsButton = document.createElement('input');
    continentsButton.id = "ContinentsButton";
    continentsButton.Name = "ContinentsButton";
    continentsButton.style.fontFamily = 'Arial,sans-serif';
    continentsButton.style.fontSize = '12px';
    continentsButton.style.paddingLeft = '4px';
    continentsButton.style.paddingRight = '4px';
    continentsButton.style.float = 'left';
    continentsButton.style.visibility = 'hidden';
    continentsButton.value = 'Континенты';
    continentsButton.type = "button";

    controlDiv.appendChild(continentsButton);
    controlDiv.appendChild(countriesButton);

    window.google.maps.event.addDomListener(countriesButton, 'click', owner.buttonCountriesClicked);
    window.google.maps.event.addDomListener(continentsButton, 'click', owner.buttonContinentsClicked);
}