diff --git a/app/views/my/account.html.erb b/app/views/my/account.html.erb
index 641102bdd..57eaa93d1 100644
--- a/app/views/my/account.html.erb
+++ b/app/views/my/account.html.erb
@@ -14,10 +14,10 @@
 
 <script type="text/javascript">
     function get_options(value) {
-        prefix = '';
-        if(location.href.contains('ros'))
+        var prefix = "";
+        if(location.href.indexOf('ros')>=0)
         {
-            prefix = '/ros'
+            prefix = "/ros"
         }
         $.ajax({
             type: "POST",
diff --git a/app/views/school/index.html.erb b/app/views/school/index.html.erb
index 5580ffc31..aeb7d0943 100644
--- a/app/views/school/index.html.erb
+++ b/app/views/school/index.html.erb
@@ -2,8 +2,8 @@
 
 <script type="text/javascript">
     $(document).ready(function() {
-        prefix = '';
-        if(location.href.contains('ros'))
+        var prefix = '';
+        if(location.href.indexOf('ros') >= 0)
         {
             prefix = '/ros'
         }
@@ -22,8 +22,8 @@
 
 <script type="text/javascript">
     function get_school(value){
-        prefix = '';
-        if(location.href.contains('ros'))
+        var prefix = '';
+        if(location.href.indexOf('ros') >= 0)
         {
             prefix = '/ros'
         }
@@ -54,8 +54,8 @@
             alert("<%= l(:label_search_conditions_not_null) %>");
             return;
         }
-        prefix = '';
-        if(location.href.contains('ros'))
+        var prefix = '';
+        if(location.href.indexOf('ros') >= 0)
         {
             prefix = '/ros'
         }