diff --git a/Classes/CalendarViewController.m b/Classes/CalendarViewController.m
index a3d38f2..729ed61 100644
--- a/Classes/CalendarViewController.m
+++ b/Classes/CalendarViewController.m
@@ -50,11 +50,17 @@ - (void) configureView
 {
 	//read in data from Model Logic
 	
+
+	
 	SharedAppDataObject* theDataObject = [self theAppDataObject];
-	NSMutableArray* defaultAnswer = [[ModelLogic modelLogic] getSelectedGroupsInfo];
-	// add in imageview
 	[scrollView addSubview:imageView];
 	theDataObject.image = self.imageView;
+	printf("active moudle %d\n",[[theDataObject activeModules]count]);
+	if([theDataObject activeModules]&&[[theDataObject activeModules]count]!=0)
+	{
+	NSMutableArray* defaultAnswer = [[ModelLogic modelLogic] getSelectedGroupsInfo];
+	// add in imageview
+	
 	for (NSDictionary* dict in defaultAnswer) 
 	{
 		NSString* moduleCode = [dict objectForKey:@"moduleCode"];
@@ -154,6 +160,7 @@ - (void) configureView
 	}
 	
 }
+}
 
 - (void) configureToolBar
 { 	
diff --git a/Classes/IVLEWebViewController.m b/Classes/IVLEWebViewController.m
index 45e7d20..36916f8 100644
--- a/Classes/IVLEWebViewController.m
+++ b/Classes/IVLEWebViewController.m
@@ -16,6 +16,9 @@
 #define EXPORT_TO_IVLE_FAIL @"Sorry, can not connect server!"
 #define API_KEY @"K6vDt3tA51QC3gotLvPYf"
 
+#define USERNAME @"u0602684"
+#define PASSWORD @"tomrlq#04"
+
 
 @implementation IVLEWebViewController
 
@@ -108,7 +111,13 @@ - (void)webViewDidFinishLoad:(UIWebView *)webView{
 		[acadYear release];
 		[semester release];
     }else if ([requestURL.absoluteString isEqualToString:@"https://ivle.nus.edu.sg/api/login/?apikey=K6vDt3tA51QC3gotLvPYf"]) {
-		//do nothing
+		NSString *loadUsernameJS = [NSString stringWithFormat:@"document.forms['frm'].userid.value ='%@'", USERNAME];
+		NSString *loadPasswordJS = [NSString stringWithFormat:@"document.forms['frm'].password.value ='%@'", PASSWORD];
+
+		
+		//autofill the form
+		[self.ivlePage stringByEvaluatingJavaScriptFromString: loadUsernameJS];
+		[self.ivlePage stringByEvaluatingJavaScriptFromString: loadPasswordJS];
 	}
 	/*else{ 
 	 NSString *xml_file = [self.ivlePage stringByEvaluatingJavaScriptFromString:@"document.getElementById"];
diff --git a/Classes/ModuleListViewController.m b/Classes/ModuleListViewController.m
index 19f5505..f619aaf 100644
--- a/Classes/ModuleListViewController.m
+++ b/Classes/ModuleListViewController.m
@@ -277,23 +277,26 @@ - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)butto
 		if(alertView.message == SURE_TO_CHANGE_TO_CALENDAR)
 		{
 			ModelLogic* modelLogic = [ModelLogic modelLogic];
-			[modelLogic syncModulesWithBasket:[theDataObject activeModules]];
-			if ([[ModelLogic modelLogic] generateDefaultTimetableWithRequirements:[theDataObject requirements]])
+			if([[theDataObject activeModules]count]!=0)
 			{
-				//[[ModelLogic modelLogic]exportTimetableToiCalendar];
-				UINavigationController *controller = [self.tabBarController.viewControllers objectAtIndex:0];
-				[controller viewWillAppear:YES];
-				self.tabBarController.selectedViewController = 	controller;
-			}
-			else 
-			{
-				UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Alert" message:NO_SOLUTION
-															   delegate:self
-													  cancelButtonTitle:@"Sure" otherButtonTitles:nil];
-				
-				[alert show];
-				[alert release];
-				
+				[modelLogic syncModulesWithBasket:[theDataObject activeModules]];
+				if ([[ModelLogic modelLogic] generateDefaultTimetableWithRequirements:[theDataObject requirements]])
+				{
+					//[[ModelLogic modelLogic]exportTimetableToiCalendar];
+					UINavigationController *controller = [self.tabBarController.viewControllers objectAtIndex:0];
+					[controller viewWillAppear:YES];
+					self.tabBarController.selectedViewController = 	controller;
+				}
+				else 
+				{
+					UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Alert" message:NO_SOLUTION
+																   delegate:self
+														  cancelButtonTitle:@"Sure" otherButtonTitles:nil];
+					
+					[alert show];
+					[alert release];
+					
+				}
 			}
 			theDataObject.continueToCalendar = NO;
 		}else if (alertView.message == NO_SOLUTION) {