diff --git a/public/javascripts/course.js b/public/javascripts/course.js
index 4da7b142e..babdc4043 100644
--- a/public/javascripts/course.js
+++ b/public/javascripts/course.js
@@ -153,7 +153,6 @@ function hidden_atert_form(cur_page,cur_type)
 }
 
 $(function(){
-    alert($("#course_description_content").height());
     if($("#course_description_content").height()>112)
     {
         $("#lg-foot").show();