Index: lams_central/web/includes/javascript/openUrls.js
===================================================================
diff -u -r2c37ffdee2c64d231b2c8ae6c2efa88a83d9938d -r8631b0fa18d10b78cd3150b63cd7da4e6926d2b0
--- lams_central/web/includes/javascript/openUrls.js	(.../openUrls.js)	(revision 2c37ffdee2c64d231b2c8ae6c2efa88a83d9938d)
+++ lams_central/web/includes/javascript/openUrls.js	(.../openUrls.js)	(revision 8631b0fa18d10b78cd3150b63cd7da4e6926d2b0)
@@ -9,6 +9,7 @@
 		
 		var authorWin = null;
 		var learnWin = null;
+		var previewWin = null;
 		var monitorLessonWin = null;
 		var addLessonWin = null;
 		var epWin = null;
@@ -20,6 +21,7 @@
 		function closeAllChildren(){
 			if (authorWin && !authorWin.closed) authorWin.close();
 			if (learnWin && !learnWin.closed) learnWin.close();
+			if (previewWin && !previewWin.closed) previewWin.close();
 			if (monitorLessonWin && !monitorLessonWin.closed) monitorLessonWin.close();
 			if (addLessonWin && !addLessonWin.closed) addLessonWin.close();
 			if (epWin && !epWin.closed) epWin.close();
@@ -143,6 +145,26 @@
 			}
 		}
 		
+		function openPreview( lessonId )
+		{
+			if(isMac)
+			{
+				previewWin = window.open('home.do?method=learner&lessonID='+lessonId,'pWindow','width=796,height=570,resizable,status=yes');
+			}
+			else
+			{
+				if(previewWin && !previewWin.closed )
+				{
+					previewWin.location = 'home.do?method=learner&lessonID='+lessonId;		
+					previewWin.focus();
+				}
+				else
+				{
+					previewWin = window.open('home.do?method=learner&lessonID='+lessonId,'pWindow','width=796,height=570,resizable,status=yes');
+				}
+			}
+		}
+		
 		function openExportPortfolio( lessonId )
 		{
 			if(isMac)