$.fn.rotate = function (delay) {
    var rotators = this, 
        n = this.length, 
        current = 0,
        timer = null;

    rotators.hide().eq(current).show();
    timer = setInterval(function () {
        current++;
        if (current == n) current = 0;
        rotators.hide().eq(current).show();
    }, delay);
    
    return rotators;
};