'Initialize the staff preview page.
This page can either be used as a subclass, or a child of a parent page.
Arguments:
browser: The selenium browser.
parent_page: None if this is being used as a subclass.  Otherwise,
the parent_page the contains this staff preview page fragment.'

def __init__(self, browser, parent_page=None):

    super(StaffPreviewPage, self).__init__(browser)
    self.parent_page = parent_page
