#100, fix improper popups (redundant listeners for checkboxes)

media/js/discipline/rating/exam.js

@@ -44,7 +44,7 @@ $(function () {
     var g_submoduleMaxRate = 0;
     var g_stdName = '';
 
-    var jCommonCell = $('.commonCell');
+    var jCommonCell = $('.commonCell').not('.absenceCell').not('.autoPass');
     var jTdInfo_wrap = $('#tdInfo_wrap');
     var jTdInfo = jTdInfo_wrap.children('#tdInfo');
     var g_disciplineID = $('#disciplineID').val();