Index: lams_central/src/java/org/lamsfoundation/lams/web/DisplayGroupController.java
===================================================================
diff -u -rebb598b9d631fa479aef19110dc7b8c2cce0575b -rf4123b69cb430e472b97b66223e6c75eb8bb7907
--- lams_central/src/java/org/lamsfoundation/lams/web/DisplayGroupController.java	(.../DisplayGroupController.java)	(revision ebb598b9d631fa479aef19110dc7b8c2cce0575b)
+++ lams_central/src/java/org/lamsfoundation/lams/web/DisplayGroupController.java	(.../DisplayGroupController.java)	(revision f4123b69cb430e472b97b66223e6c75eb8bb7907)
@@ -331,7 +331,7 @@
 
 	    if (isGroupManagerOrMonitor) {
 		lessonLinks.addFirst(new IndexLinkBean("index.monitor",
-			"javascript:showMonitorLessonDialog(" + bean.getId() + ")", "fa fa-fw fa-heartbeat", null));
+			"javascript:openMonitorLesson(" + bean.getId() + ")", "fa fa-fw fa-heartbeat", null));
 	    }
 
 	    // Adding lesson notifications links if enabled
Index: lams_central/web/includes/javascript/openUrls.js
===================================================================
diff -u -r9ec094b99f07058e55715478a99c77423acda2f9 -rf4123b69cb430e472b97b66223e6c75eb8bb7907
--- lams_central/web/includes/javascript/openUrls.js	(.../openUrls.js)	(revision 9ec094b99f07058e55715478a99c77423acda2f9)
+++ lams_central/web/includes/javascript/openUrls.js	(.../openUrls.js)	(revision f4123b69cb430e472b97b66223e6c75eb8bb7907)
@@ -53,24 +53,7 @@
 	}
 	url += 'lessonID='+ lessonID;
 	
-	if (isMac) {
-		if(belowMinRes) {
-			monitorLessonWin = window.open(url,'mWindow','width=' + monitor_width 
-							   + ',height=' + monitor_height + ',resizable,scrollbars' + getCenterParams(monitor_width, monitor_height));
-		} else {
-			monitorLessonWin = window.open(url,'mWindow','width=' + monitor_width
-							   + ',height=' + monitor_height + ',resizable,scrollbars' + getCenterParams(monitor_width, monitor_height));
-		}
-	} else {
-		if (monitorLessonWin && !monitorLessonWin.closed) {
-			monitorLessonWin.location = url;
-			monitorLessonWin.focus();
-		} else {
-			monitorLessonWin = window.open(url,'mWindow','width=' + monitor_width
-							   + ',height=' + monitor_height + ',resizable,resizable,scrollbars'
-							   + getCenterParams(monitor_width, monitor_height));
-		}
-	}
+	window.location.href = url;
 }
 
 function openTBLMonitorLesson( lessonID ) {