function updateTrack(id) {
    var page = getTrack(id).wrapInner('<div class="inner-wrap"></div>').prepend('<div class="track-cover"><img src="img/loadingealarget.gif" style="border-bottom: none"></div>').find('input[type="hidden"]').val()
    var trackContainer = getTrack(id);
    trackContainer.addClass("disabled");
    trackContainer.find('.track-cover').fadeIn(200);