- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
    [NSApp activateIgnoringOtherApps:YES];
    statusItem = [[[NSStatusBar systemStatusBar] statusItemWithLength:NSVariableStatusItemLength] retain];
    [statusItem setAction:@selector(showPopOver:)];
    [statusItem setImage:[[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"icon" ofType:@"png"]]];
    [statusItem setHighlightMode:YES];
}

- (IBAction)showPopOver:(id)sender {
     popover = [[NSPopover alloc] init];
     [popover setContentViewController:popOverController];

     popover.animates = YES;
     popover.delegate = self;

     [popover showRelativeToRect:[sender bounds]
                          ofView:sender
                   preferredEdge:NSMaxYEdge];

    }
}