<%=link_to image_tag("../images/nav_logo.png",width:"51px", height: "45px",class: "mt3"), user_activities_path(User.current.id)%>
<% if User.current.user_extensions && User.current.user_extensions.identity == 0 && User.current.allowed_to?(:add_course, nil, :global => true)%>
<% else %>
<% end %>
<%= link_to "", user_message_path(User.current), :class => "homepageNewsIcon", :target =>"_Blank", :title => "您的所有消息" %>
<% if User.current.count_new_message.to_i >0 %>
<%= link_to User.current.count_new_message , user_message_path(User.current), :class => "newsActive", :target =>"_Blank" %>
<% end %>
<%#= link_to User.current.count_new_message, user_message_path(User.current), :class => "homepageNewsIcon" %>