Index: lams_central/web/includes/javascript/progressBar.js
===================================================================
diff -u -r2f284c5988e3026585cd0773eddf24893669f70a -r4818b288dd85a6e6b94bdead072dedd9d4003921
--- lams_central/web/includes/javascript/progressBar.js	(.../progressBar.js)	(revision 2f284c5988e3026585cd0773eddf24893669f70a)
+++ lams_central/web/includes/javascript/progressBar.js	(.../progressBar.js)	(revision 4818b288dd85a6e6b94bdead072dedd9d4003921)
@@ -45,19 +45,32 @@
 	},
 
 	isPreview = false,
-	controlFramePadding = 0;
+	controlFramePadding = 0,
 
+	// popup window size
+	popupWidth = 1280,
+	popupHeight = 720;
+
 // ----- CONTROL FRAME & WINDOW MANIPULATION -----
 
 // generic function for opening a pop up
 function openPopUp(url, title, h, w, status, forceNewWindow) {
+
+	var width = screen.width;
+	var height = screen.height;
+
+	var left = ((width / 2) - (w / 2));
+	var top = ((height / 2) - (h / 2));
+
 	if (forceNewWindow) {
 		// opens a new window rather than loading content to existing one
 		title += new Date().getTime();
 	}
+
 	window.open(url, title, "HEIGHT=" + h + ",WIDTH=" + w
 			+ ",resizable=yes,scrollbars=yes,status=" + status
-			+ ",menubar=no, toolbar=no");
+			+ ",menubar=no, toolbar=no"
+			+ ",top=" + top + ",left=" + left);
 }
 
 // just a short cut to openPopUp function
@@ -67,8 +80,8 @@
 		if (!dialog.hasClass('ui-dialog')) {
 			dialog.dialog({
 				'autoOpen' : false,
-				'height' : 600,
-				'width' : 800,
+				'height' : popupHeight,
+				'width' : popupWidth,
 				'modal' : true,
 				'resizable' : false,
 				'hide' : 'fold',
@@ -89,7 +102,7 @@
 		
 		dialog.dialog('open');
 	} else {
-		openPopUp(url, "LearnerActivity", 600, 800, "yes");
+		openPopUp(url, "LearnerActivity", popupHeight, popupWidth, "yes");
 	}
 }
 
@@ -1198,4 +1211,4 @@
 	});
 
 	return true;
-}
\ No newline at end of file
+}
Index: lams_monitoring/web/includes/javascript/monitorLesson.js
===================================================================
diff -u -r4bbff846d0964a517ddad7020fe6cf10536c347e -r4818b288dd85a6e6b94bdead072dedd9d4003921
--- lams_monitoring/web/includes/javascript/monitorLesson.js	(.../monitorLesson.js)	(revision 4bbff846d0964a517ddad7020fe6cf10536c347e)
+++ lams_monitoring/web/includes/javascript/monitorLesson.js	(.../monitorLesson.js)	(revision 4818b288dd85a6e6b94bdead072dedd9d4003921)
@@ -30,7 +30,10 @@
 // double tap support
 	tapTimeout = 500,
 	lastTapTime = 0,
-	lastTapTarget = null;
+	lastTapTarget = null
+// popup window size
+	popupWidth = 1280,
+	popupHeight = 720;
 
 
 //********** LESSON TAB FUNCTIONS **********
@@ -506,7 +509,7 @@
 			selectedLearner = $('.dialogList div.dialogListItemSelected', dialog);
 		if (selectedLearner.length == 1) {
 			// open pop up with user progress in the given activity
-			openPopUp(selectedLearner.attr('viewUrl'), "LearnActivity", 600, 800, true);
+			openPopUp(selectedLearner.attr('viewUrl'), "LearnActivity", popupHeight, popupWidth, true);
 		}
 	});
 	
@@ -789,7 +792,7 @@
 					activityGroup.css('cursor', 'pointer');
 					dblTap(activityGroup, function(){  
 						// double click on activity shape to open Monitoring for this activity
-						openPopUp(LAMS_URL + activity.url, "MonitorActivity", 720, 900, true, true);
+						openPopUp(LAMS_URL + activity.url, "MonitorActivity", popupHeight, popupWidth, true, true);
 					});
 				}
 			});	
@@ -1116,7 +1119,7 @@
 					event.stopPropagation();
 					var url = LAMS_URL + 'monitoring/monitoring.do?method=getLearnerActivityURL&userID=' 
 						               + learner.id + '&activityID=' + activity.id + '&lessonID=' + lessonId;
-					openPopUp(url, "LearnActivity", 600, 800, true);
+					openPopUp(url, "LearnActivity", popupHeight, popupWidth, true);
 				});
 			}
 			
@@ -1910,7 +1913,7 @@
 				if (allowView){
 					dblTap(learnerDiv, function(){
 						// same as clicking View Learner button
-						openPopUp(viewUrl, "LearnActivity", 600, 800, true);
+						openPopUp(viewUrl, "LearnActivity", popupHeight, popupWidth, true);
 					});
 				}
 			}