[melky]

плохо искали...

//склонение окончаний
function declension(num, expressions) {
    var result;
    count = num % 100;
    if (count >= 5 && count <= 20) {
        result = expressions['2'];
    } else {
        count = count % 10;
        if (count == 1) {
            result = expressions['0'];
        } else if (count >= 2 && count <= 4) {
            result = expressions['1'];
        } else {
            result = expressions['2'];
        }
    }
    return result;
}