ashish@ash:~/minefield$ python file_menu_firefox.py
Traceback (most recent call last):
  File "file_menu_firefox.py", line 7, in ?
    selectmenuitem('*MozillaFirefox','mnuFile;mnuNew')
  File "/usr/local/lib/python2.4/site-packages/ldtp.py", line 906, in selectmenuitem
    raise LdtpExecutionError (str (msg))
ldtp.LdtpExecutionError: "u'selectmenuitem failed: Window does not exist'"
ashish@ash:~/minefield$