classy show form input error.

var formError = function (options) {
    /*
    options expected:
        input_el - $selector for input field
        error_el - $selector for error div

        hide_error_duration - Duration in ms to hide the error.
        hide_error_animation_duration - Jesus...
    */
    var options = _.extend({}, options);

    options.hide_error_duration = options['hide_error_duration'] || 2000;
    options.hide_error_animation_duration = options['hide_error_animation_duration'] || 100;

    var $input_el = $(options.input_el);
    var $error_el = $(options.error_el);

    var _timer = setTimeout(function () {
        $error_el.hide({
            duration: options.hide_error_animation_duration
        });                    
    }, options.hide_error_duration);


    // Bind click quick hide
    $error_el.one('click', function (event) {
        event.preventDefault();
        clearTimeout(_timer);
        $error_el.hide();
        $input_el.focus();
        return false;
    });

    $error_el.show();
}