function Ruby() {

}

if (!Array.prototype.push) {

    Array.prototype.push = function () {

        var startLength = this.length;

        for (var i = 0; i < arguments.length; i++)

            this[startLength + i] = arguments[i];

        return this.length;

    }

}

$ = function () {

    var elements = new Array();

    for (var i = 0; i < arguments.length; i++) {

        var element = arguments[i];

        if (typeof element == 'string')

            element = document.getElementById(element);

        if (arguments.length == 1)

            return element;

        elements.push(element);

    }

    return elements;

}

$F = function () {

    if (arguments.length == 1)

        return document.getElementById(arguments[0]).value;

    else {

        var elements = new Array();

        for (var i = 0; i < arguments.length; i++) {

            elements.push(document.getElementById(arguments[i]).value);

        }

        return elements;

    }

}