// script for tab steps
    $('a[data-toggle="tab"]').on('shown.bs.tab', function (e) {

        var href = $(e.target).attr('href');
        var $curr = $(".process-model  a[href='" + href + "']").parent();

        $('.process-model li').removeClass();

        $curr.addClass("active");
        $curr.prevAll().addClass("visited");
    });
// end  script for tab steps