$(document).ready(function () {

    $("#filter").slideUp("fast");
    $('#togg').toggle(

         function () {

             $('#filter').slideDown('fast');
             $('#change').attr('src', '/Content/css/front/images/less.png');
             $('#tt').text($('#tt').text() == 'Färre alternativ' ? 'Fler alternativ' : 'Färre alternativ');

         }, function () {

             $('#filter').slideUp('fast');
             $('#change').attr('src', '/Content/css/front/images/more.png');
             $('#tt').text($('#tt').text() == 'Färre alternativ' ? 'Fler alternativ' : 'Färre alternativ');
         });

});