def search_for_users(self,lat,lng,lat_rng,lng_rng):
print "search for users in %s:%s , %s:%s"%(lat,lng,lat_rng,lng_rng)
msg = jfac.createSearchUsers(lat,lng,lat_rng,lng_rng)
resp = self._sendHttpPost(msg,"request")
resp_obj = json.loads(resp)
ret_obj=[]
for obj in resp_obj:
ret_obj.append(obj['pk'])
return ret_obj
