--- loncom/interface/lonhtmlcommon.pm	2009/08/03 16:34:16	1.228
+++ loncom/interface/lonhtmlcommon.pm	2009/08/10 12:32:34	1.229
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.228 2009/08/03 16:34:16 bisitz Exp $
+# $Id: lonhtmlcommon.pm,v 1.229 2009/08/10 12:32:34 droeschl Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2117,6 +2117,25 @@ sub inittags {
 }
 
 
+# USAGE: scripttag(scriptcode, true/false);
+#
+# EXAMPLES: 
+#  - scripttag("alert('Hello World!')") 
+#
+# NOTES:
+# - works currently only for javascripts
+#
+# OUTPUT: Scriptcode properly enclosed in <script> and CDATA tags (and LC
+# Internal markers if 2nd argument evaluates to true)
+sub scripttag {
+    my ($content, $internal) = @_;
+    $content = "// BEGIN LON-CAPA Internal\n$content\n// END LON-CAPA Internal" if $internal;
+    $content = "\n// <![CDATA[\n$content\n// ]]>\n";
+    htmltag("script", $content, {type => "text/javascript"});
+    return htmltag("script", $content, {type => "text/javascript"});
+};
+
+
 ##############################################
 ##############################################