tracks/app/views/projects/destroy.js.erb

remove_deleted_project();
ProjectListPage.update_state_count(<%=@active_projects_count%>, <%=@hidden_projects_count%>, <%=@completed_projects_count%>)
ProjectListPage.show_or_hide_state_container(<%= @show_active_projects %>, <%= @show_hidden_projects %>, <%= @show_completed_projects %>);
page_notify('notice', "Deleted project '#{@project.name}'", 5);
set_page_badge(<%=@down_count%>);

function remove_deleted_project() {
  $('div#<%=dom_id(@project, "container")%>').slideUp(1000,
    function() {
      $('div#<%=dom_id(@project, "container")%>').remove();
    });
}