function t381_appearMenu(recid) {
    var window_width=$(window).width();
    if(window_width>980){
         $(".t381").each(function() {
                var el=$(this);
                var appearoffset=el.attr("data-appearoffset");
                var hideoffset=el.attr("data-hideoffset");
                if(appearoffset!=""){
                        if(appearoffset.indexOf('vh') > -1){
                            appearoffset = Math.floor((window.innerHeight * (parseInt(appearoffset) / 100)));
                        }

                        appearoffset=parseInt(appearoffset, 10);

                        if ($(window).scrollTop() >= appearoffset) {
                          if(el.css('visibility') == 'hidden'){
                              el.finish();
                              el.css("visibility","visible");
                              el.animate({"opacity": "1"}, 300,function() {
                              });       
                          }
                        }else{
                          el.stop();
                          el.css("visibility","hidden");
                        }
                }

                if(hideoffset!=""){
                        if(hideoffset.indexOf('vh') > -1){
                            hideoffset = Math.floor((window.innerHeight * (parseInt(hideoffset) / 100)));
                        }

                        hideoffset=parseInt(hideoffset, 10);

                        if ($(window).scrollTop()+$(window).height() >= $(document).height() - hideoffset) {
                          if(el.css('visibility') != 'hidden'){
                              el.finish();
                              el.css("visibility","hidden");
                          }
                        }else{
                          if (appearoffset!="") {
                              if($(window).scrollTop() >= appearoffset){
                                el.stop();
                                el.css("visibility","visible");
                              }
                          }else{
                              el.stop();
                              el.css("visibility","visible");
                          }
                        }
                }
         });
    }
}