--- loncom/interface/lonextresedit.pm	2014/01/06 12:52:45	1.7
+++ loncom/interface/lonextresedit.pm	2015/06/09 21:22:56	1.8
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: lonextresedit.pm,v 1.7 2014/01/06 12:52:45 raeburn Exp $
+# $Id: lonextresedit.pm,v 1.8 2015/06/09 21:22:56 damieng Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -321,10 +321,11 @@ sub display_editor {
 }
 
 sub extedit_javascript {
-    my %lt = &Apache::lonlocal::texthash(
+    my %js_lt = &Apache::lonlocal::texthash(
         invurl  => 'Invalid URL',
         titbl   => 'Title is blank',
     );
+    &js_escape(\%js_lt);
 
     my $urlregexp = <<'ENDREGEXP';
 /^([a-z]([a-z]|\d|\+|-|\.)*):(\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?((\[(|(v[\da-f]{1,}\.(([a-z]|\d|-|\.|_|~)|[!\$&'\(\)\*\+,;=]|:)+))\])|((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=])*)(:\d*)?)(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*|(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)){0})(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i
@@ -340,7 +341,7 @@ function setExternal(extform,residx) {
         String.prototype.trim = function() {return this.replace(\/^\\s+|\\s+$\/g, "");};    }
     var url=extform.exturl.value;
     if (title == null || title.trim()=="") {
-        alert("$lt{'titbl'}");
+        alert("$js_lt{'titbl'}");
         extform.exttitle.focus();
         return;
     }
@@ -353,7 +354,7 @@ function setExternal(extform,residx) {
             eval("extform.importdetail.value=title+'='+url;extform.submit();");
         }
     } else {
-        alert("$lt{'invurl'}");
+        alert("$js_lt{'invurl'}");
         extform.exturl.focus();
         return;
     }
@@ -379,7 +380,7 @@ function extUrlPreview(caller) {
         if (regexp.test(url)) {
             openMyModal(url,500,400,'yes');
         } else {
-            alert("$lt{'invurl'}");
+            alert("$js_lt{'invurl'}");
         }
     }
 }