var l_message = 'Czy napewno chcesz usunąć obiekt: ';
function ConfirmAction(theMessage)
{
    // TODO: Confirmation is not required in the configuration file
    // or browser is Opera (crappy js implementation)
    if (typeof(window.opera) != 'undefined') {
        return true;
    }

    var is_confirmed = confirm(l_message+theMessage);

    return is_confirmed;
}