def GetContextObject(uobj, cmstype):
'''receive a urlopener object, return a context object'''
if cmstype == 'CMS_citeseerx':
return CMSciteseerx.get_context_object(uobj)
elif cmstype == 'CMS_normal':
return CMSnormal.get_context_object(uobj)
elif cmstype == 'CMS_pdf':
return CMSpdf.get_context_object(uobj)
else:
raise Exception, 'Cannae do that captain'
