Index: lams_central/web/includes/javascript/dialog.js
===================================================================
diff -u -r1ea4aaf03ba7f6c4fa2719d88983efc63f100d80 -r34350886b13d64af5e221ee22f3fc14ff251139b
--- lams_central/web/includes/javascript/dialog.js	(.../dialog.js)	(revision 1ea4aaf03ba7f6c4fa2719d88983efc63f100d80)
+++ lams_central/web/includes/javascript/dialog.js	(.../dialog.js)	(revision 34350886b13d64af5e221ee22f3fc14ff251139b)
@@ -250,4 +250,36 @@
  */
 function moveDialogToTop(id) {
 	// $('#' + id).dialog('moveToTop');
+}
+
+
+//used by both main.jsp and /lti/addlesson.jsp pages
+function showAuthoringDialog(learningDesignID){
+	showDialog('dialogAuthoring', {
+		'height' : Math.max(300, $(window).height() - 30),
+		'width' : Math.max(600, Math.min(1280, $(window).width() - 60)),
+		'title' : LABELS.AUTHORING_TITLE,
+		'beforeClose' : function(){
+			// if LD was modified, ask the user if he really wants to exit
+			var innerLib = $('iframe', this)[0].contentWindow.GeneralLib,
+				// no innerLib means that an exception occured in Authoring
+				// and the interface is not usable anyway
+				canClose = !innerLib || innerLib.canClose() || confirm(LABELS.NAVIGATE_AWAY_CONFIRM);
+			if (canClose) {
+				$('iframe', this).attr('src', null);
+			} else {
+				return false;
+			}
+		},
+		'open' : function() {
+			var url = LAMS_URL + 'authoring/author.do?method=openAuthoring';
+			
+			if (learningDesignID) {
+				url += '&learningDesignID=' + learningDesignID;
+			}
+			
+			// load contents after opening the dialog
+			$('iframe', this).attr('src', url);
+		}
+	}, true);
 }
\ No newline at end of file
Index: lams_central/web/includes/javascript/main.js
===================================================================
diff -u -r1ea4aaf03ba7f6c4fa2719d88983efc63f100d80 -r34350886b13d64af5e221ee22f3fc14ff251139b
--- lams_central/web/includes/javascript/main.js	(.../main.js)	(revision 1ea4aaf03ba7f6c4fa2719d88983efc63f100d80)
+++ lams_central/web/includes/javascript/main.js	(.../main.js)	(revision 34350886b13d64af5e221ee22f3fc14ff251139b)
@@ -649,38 +649,6 @@
 }
 
 
-//used in main.jsp and /lti/addlesson.jsp
-function showAuthoringDialog(learningDesignID){
-	showDialog('dialogAuthoring', {
-		'height' : Math.max(300, $(window).height() - 30),
-		'width' : Math.max(600, Math.min(1280, $(window).width() - 60)),
-		'title' : LABELS.AUTHORING_TITLE,
-		'beforeClose' : function(){
-			// if LD was modified, ask the user if he really wants to exit
-			var innerLib = $('iframe', this)[0].contentWindow.GeneralLib,
-				// no innerLib means that an exception occured in Authoring
-				// and the interface is not usable anyway
-				canClose = !innerLib || innerLib.canClose() || confirm(LABELS.NAVIGATE_AWAY_CONFIRM);
-			if (canClose) {
-				$('iframe', this).attr('src', null);
-			} else {
-				return false;
-			}
-		},
-		'open' : function() {
-			var url = LAMS_URL + 'authoring/author.do?method=openAuthoring';
-			
-			if (learningDesignID) {
-				url += '&learningDesignID=' + learningDesignID;
-			}
-			
-			// load contents after opening the dialog
-			$('iframe', this).attr('src', url);
-		}
-	}, true);
-}
-
-
 function removeLesson(lessonID) {
 	if (confirm(LABELS.REMOVE_LESSON_CONFIRM1)) {
 		if (confirm(LABELS.REMOVE_LESSON_CONFIRM2)) {
Index: lams_central/web/lti/addLesson.jsp
===================================================================
diff -u -ra54189e50c13e0f6856534766d79189c576011a4 -r34350886b13d64af5e221ee22f3fc14ff251139b
--- lams_central/web/lti/addLesson.jsp	(.../addLesson.jsp)	(revision a54189e50c13e0f6856534766d79189c576011a4)
+++ lams_central/web/lti/addLesson.jsp	(.../addLesson.jsp)	(revision 34350886b13d64af5e221ee22f3fc14ff251139b)
@@ -49,13 +49,12 @@
 	<script type="text/javascript" src="includes/javascript/jquery-ui.js"></script>
 	<script type="text/javascript" src="includes/javascript/jquery.dialogextend.js"></script>	
 	<script type="text/javascript" src="includes/javascript/dialog.js"></script>
-	<!-- import of showAuthoringDialog() method  -->
-	<script type="text/javascript" src="includes/javascript/main.js"></script>
 	<script type="text/javascript">
     	var isSelected = false;
 		var tree;
 		var userId = '<lams:user property="userID"/>',
 			LAMS_URL = '<lams:LAMSURL/>',
+			decoderDiv = $('<div />'),
 			LABEL_RUN_SEQUENCES_FOLDER = '<fmt:message key="label.tab.lesson.sequence.folder" />',
 			LABEL_NAME_INVALID_CHARACTERS = '<fmt:message key="error.lessonname.invalid.characters" />',
 			LABELS = {