Rename baseDiv -> qunitFrame.
Modify withWorkArea not to use MBox.
Add Count.
Add setup to create workArea and teardown to remove workArea.
Delete argument of getQUnitFrame and getImageArea which is always assigned document.
Add isRunning.
Add some functions about startButton.
Add some functions about startButton, modify insertFirst as a simple function.
Modify setImageCallback not return any value.
Modify cmdSetImageRandomUrl not return any value.
Delete MBox and box.
Delete a comment.