Index: lams_central/web/includes/javascript/authoring/authoringMenu.js
===================================================================
RCS file: /usr/local/cvsroot/lams_central/web/includes/javascript/authoring/authoringMenu.js,v
diff -u -r1.34.2.26 -r1.34.2.27
--- lams_central/web/includes/javascript/authoring/authoringMenu.js	17 Dec 2016 07:15:11 -0000	1.34.2.26
+++ lams_central/web/includes/javascript/authoring/authoringMenu.js	23 Dec 2016 01:35:44 -0000	1.34.2.27
@@ -519,7 +519,7 @@
 					success : function() {
 						// open preview pop up window
 						window.open(LAMS_URL + 'home.do?method=learner&mode=preview&lessonID='+lessonID,'Preview',
-									'width=1280,height=720,resizable,status=yes');
+									'width=1280,height=720,resizable,scrollbars=yes,status=yes');
 						previewButton.button('reset');
 					}
 				});