$(function () {

            function filterPath(string) {
                return string
                        .replace(/^\//, '')
                        .replace(/(index|default).[a-zA-Z]{3,4}$/, '')
                        .replace(/\/$/, '');
            }

            var locationPath = filterPath(location.pathname);
            var scrollElem = scrollableElement('html', 'body');

            // Any links with hash tags in them (can't do ^= because of fully qualified URL potential)
            $('a[href*=#]').each(function () {

                // Ensure it's a same-page link
                var thisPath = filterPath(this.pathname) || locationPath;
                if (locationPath == thisPath
                                && (location.hostname == this.hostname || !this.hostname)
                                && this.hash.replace(/#/, '')) {

                    // Ensure target exists
                    var $target = $(this.hash), target = this.hash;
                    if (target) {

                        // Find location of target
                        var targetOffset = $target.offset().top;
                        $(this).click(function (event) {

                            // Prevent jump-down
                            event.preventDefault();

                            // Animate to target
                            $(scrollElem).animate({ scrollTop: targetOffset }, 400, function () {

                                // Set hash in URL after animation successful
                                location.hash = target;

                            });
                        });
                    }
                }

            });

            // Use the first element that is "scrollable"  (cross-browser fix?)
            function scrollableElement(els) {
                for (var i = 0, argLength = arguments.length; i < argLength; i++) {
                    var el = arguments[i],
                                $scrollElement = $(el);
                    if ($scrollElement.scrollTop() > 0) {
                        return el;
                    } else {
                        $scrollElement.scrollTop(1);
                        var isScrollable = $scrollElement.scrollTop() > 0;
                        $scrollElement.scrollTop(0);
                        if (isScrollable) {
                            return el;
                        }
                    }
                }
                return [];
            }

        });