Index: lams_central/web/includes/javascript/authoring/authoringMenu.js
===================================================================
diff -u -r573045a3e475060269af01d4de73dc5956809591 -r90d134e4f1b7d4ff2ba734e3841b64c34e973632
--- lams_central/web/includes/javascript/authoring/authoringMenu.js	(.../authoringMenu.js)	(revision 573045a3e475060269af01d4de73dc5956809591)
+++ lams_central/web/includes/javascript/authoring/authoringMenu.js	(.../authoringMenu.js)	(revision 90d134e4f1b7d4ff2ba734e3841b64c34e973632)
@@ -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');
 					}
 				});