Forbidden Your client does not have permission to get URL /maps?f=q&hl=ja&geocode=&time=&date=&ttype=&q=34.842100,135.411753+(%E7%8F%BE%E5%9C%A8%E5%9C%B0)&ie=UTF8&z=13&iwloc=addr&om=1&ll=34.842100,135.411753&output=embed&s=AARTsJrfGEedZtJleZZGRSzoR2fXP3j9CA from this server.
このGoogle Maps Help Groupのスレッドで言及されているようなことなんじゃないんでしょうか?
http://groups.google.co.jp/group/Google-Maps-Troubleshooting/browse_thread/thread/3c605f926abafc40
My guess is that behind s= is an encrypted checksum of all the given
parameters. So if you change any parameter the checksum will be wrong
and the whole link wouldn't work any more.