control/plugin/smint/jquery.smint.js

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/*

SMINT V1.0 by Robert McCracken

SMINT is my first dabble into jQuery plugins!

If you like Smint, or have suggestions on how it could be improved, send me a tweet @rabmyself

*/
(function () {


    $.fn.smint = function (options) {

        // adding a class to users div
        $(this).addClass('smint')

        var settings = $.extend({
            'scrollSpeed ': 500
        }, options);


        return $('.smint a').each(function () {


            if (settings.scrollSpeed) {

                var scrollSpeed = settings.scrollSpeed

            }


            ///////////////////////////////////

            // get initial top offset for the menu 
            var stickyTop = $('.smint').offset().top;

            // check position and make sticky if needed
            var stickyMenu = function () {

                // current distance top
                var scrollTop = $(window).scrollTop();

                // if we scroll more than the navigation, change its position to fixed and add class 'fxd', otherwise change it back to absolute and remove the class
                if (scrollTop > stickyTop) {
                    $('.smint').css({ 'position': 'fixed', 'top': 0 }).addClass('fxd');

                } else {
                    $('.smint').css({ 'position': 'absolute', 'top': stickyTop }).removeClass('fxd');
                }
            };

            // run function
            stickyMenu();

            // run function every time you scroll
            $(window).scroll(function () {
                stickyMenu();
            });