function htmlentities (string, quote_style) {
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: nobbler
    // +    tweaked by: Jack
    // +   bugfixed by: Onno Marsman
    // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
    // +      input by: Ratheous
    // -    depends on: get_html_translation_table
    // *     example 1: htmlentities('Kevin & van Zonneveld');
    // *     returns 1: 'Kevin & van Zonneveld'
    // *     example 2: htmlentities("foo'bar","ENT_QUOTES");
    // *     returns 2: 'foo'bar'

    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;
}