Fine,
Your reply states how far YOU want to progress with MY researching.
As you have said before 'you don't know' + 'you don't see how' that is your prerogative to stay in that position.
But sidestepping an internet slanging match like a skilful matador I will pursue in finding an answer to aid my research.
we are all entitled to research + question everything.
back to those who are curious for an answer
check photoreading link below :
http://www.youtube.com/watch?v=zvwEWIg4RS4&feature=related