$.fn.pulse = function (options) {

    // Merge passed options with defaults

    var opts = $.extend({}, $.fn.pulse.defaults, options);

    return this.each(function () {

        // Pulse

        for (var i = 0; i < opts.pulses; i++) {

            $(this).fadeTo(opts.speed, opts.fadeLow).fadeTo(opts.speed, opts.fadeHigh);

        }

        // Reset to normal

        $(this).fadeTo(opts.speed, 1);

    });

};

// Pulse plugin default options

$.fn.pulse.defaults = {

    speed: "slow",

    pulses: 2,

    fadeLow: 0.2,

    fadeHigh: 1

};

// Override only one option

$('#myText1').pulse({ pulses: 6 });

// Override all options

$('#myText2').pulse({ speed: "fast", pulses: 10, fadeLow: 0.3, fadeHigh: 0.8 });