Are you saying that this doesn't work for you? It is the correct thing to see even if most browsers relax the rules and let "parameters:id='img_name=myimg.jpg&img_nr=2'" work the same way. That's technically illegal since &img_nr... isn't a valid character entity.
-Rob
Rob Biedenharn http://agileconsultingllc.com Rob@AgileConsultingLLC.com