[Fixed]Selenium tests errors on creating staff

Found error on tests run on CI server http://82.71.213.53/RESULTS/SELENIUM/Sahana-Eden-2013-02-26%2006-26-16.975884.html
test_hrm001_create_staff -> fixed
test_hrm001_create_staff_registry -> fixed
test_hrm002_create_volunteer -> fixed
test_mem001_create_volunteer_registry -> fixed


vishrut009