#1073 发布课程通知要点两次才能提交成功bug，原因：js的失去焦点事件和点击事件冲突，解决方法：鼠标移到提交按钮时使提交按钮获得焦点

app/views/news/_course_news.html.erb

@@ -54,6 +54,11 @@
             $("#news-form").submit();
         }
     }
+
+    function submitFocus(obj)
+    {
+        $(obj).focus();
+    }
 </script>
 
 <span style="font-size: 16px; border-bottom:1px solid #f0f0f0; margin-right: 15px;">
@@ -70,7 +75,7 @@
                             :html => {:id => 'news-form', :multipart => true} do |f| %>
           <%= render :partial => 'news/course_form', :locals => {:f => f, :is_new => true} %>
           <%#= submit_tag l(:button_create), :class => 'whiteButton m3p10 h30', :name => nil %><!-- button-submit  -->
-          <%= link_to l(:button_create), "#", :onclick => 'submitNews();', :class => 'whiteButton m3p10' %>|
+          <%= link_to l(:button_create), "#", :onclick => 'submitNews();', :onmouseover => 'submitFocus(this);', :class => 'whiteButton m3p10' %>|
           <%= preview_link preview_news_path(:course_id => @course), 'news-form', target='preview', {:class => 'whiteButton m3p10'} %>
           |
           <%= link_to l(:button_cancel), "#", :onclick => '$("#add-news").hide()', :class => 'whiteButton m3p10' %>