scripts wsr

            $(window).scroll(function(){
                if($(this).scrollTop()>60){
                    $('header').addClass('fixed');
                }
                else if ($(this).scrollTop()<60){
                    $('header').removeClass('fixed');
                }
            });

            $("a[href^='#']").click(function(){
                var _href = $(this).attr("href");
                if (_href === "#header")
                    $("html, body").animate({scrollTop: 0 + "px"}, 2500);
                else
                    $("html, body").animate({scrollTop: $(_href).offset().top + "px"}, 500);
                return false;
            });


            var mainContent = $(".preview");
            var current = $(".current");
            var currentImg = $(".current img");
            var currentHeader = $(".current h4");
            var currentP = $(".current p");
            var currentBtn = $('.current a');
            var i =1;
            var id;

            current.mouseover( function () {
              var timeout = 3500;
              var action = function () {
                var newImg = mainContent.eq(i).find("img").attr("src");
                var newHeader = mainContent.eq(i).find("h4").text();
                var newP = mainContent.eq(i).find("p").text();
                var newBtn = mainContent.eq(i).find("a").text();


                currentImg.addClass("out");
                currentImg.removeClass("change-img");

                currentHeader.removeClass("change-h2");
                currentHeader.addClass("out");

                currentP.removeClass("change-p");
                currentP.addClass("out");

                currentBtn.addClass("out");
                currentBtn.removeClass("change-button");


                setTimeout(function () {
                  currentImg.attr("src",newImg);
                  currentHeader.text(newHeader);
                  currentP.text(newP);
                  currentBtn.text(newBtn);

                  currentImg.removeClass("out");
                  currentImg.addClass("change-img");

                  currentHeader.removeClass("out");
                  currentHeader.addClass("change-h2");

                  currentP.removeClass("out");
                  currentP.addClass("change-p");

                  currentBtn.removeClass("out");
                  currentBtn.addClass("change-button");
                }, 800);


                if (i === 3)
                  i =0;
                else
                  i++;

              };
              id = setInterval(action, timeout);
            });

            current.mouseout(function () {
              clearInterval(id);
            });