function pressDefaultButton(defaultButtonId, event) {
    var btn = document.getElementById(defaultButtonId);
    if (event.which) {
        if (event.which == 13) {
            document.getElementById('_hlFoto').name = document.getElementById(defaultButtonId).name;
            event.returnValue = false;
            event.cancel = true;
            btn.click();
        }
    } else {
        if (event.keyCode == 13) {
            document.getElementById('_hlFoto').name = document.getElementById(defaultButtonId).name;
            event.returnValue = false;
            event.cancel = true;
            btn.click();
        }
    }

}