function htmlentities (string, quote_style) {
    var hash_map = {}, symbol = '', tmp_str = '', entity = '';
    tmp_str = string.toString();
     
    if (false === (hash_map = this.get_html_translation_table('HTML_ENTITIES', quote_style))) {
        return false;
    }
    hash_map["'"] = ''';
    for (symbol in hash_map) {
        entity = hash_map[symbol];
        tmp_str = tmp_str.split(symbol).join(entity);
    }
     
    return tmp_str;
}