http://leetkey.mozdev.org/notes.html#c27 Maybe it will be useful the possibility to "translate" the text in md5...is it possibile? What do u think? Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.10) Gecko/20050716 Moonbuffalo/1.0.6 (Firefox/1.0.6 ... no more info)