Index: ssts-web/src/main/webapp/js/common.js
===================================================================
diff -u -r32057 -r32059
--- ssts-web/src/main/webapp/js/common.js	(.../common.js)	(revision 32057)
+++ ssts-web/src/main/webapp/js/common.js	(.../common.js)	(revision 32059)
@@ -145,10 +145,11 @@
 /*
  *IE8以下兼容document.getElementsByClassName
  */
-function documentGetElementsByClassName(className) {
-    if (!document.getElementsByClassName) {
-        document.getElementsByClassName = function (className) {
-            var children = document.getElementsByTagName('*');
+function documentGetElementsByClassName(className,doc) {
+    var element = doc || document;
+    if (!element.getElementsByClassName) {
+        element.getElementsByClassName = function (className) {
+            var children = element.getElementsByTagName('*');
             var elements = new Array();
             for (var i = 0; i < children.length; i++) {
                 var child = children[i];
@@ -163,9 +164,9 @@
             return elements;
         };
 
-        return document.getElementsByClassName(className);
+        return element.getElementsByClassName(className);
     } else {
-        return document.getElementsByClassName(className);
+        return element.getElementsByClassName(className);
     }
 }