programer needed!

> > Does anyone have any suggestions for this situtation.? I would like to be able to >>Sell sheet music in pdf format and some way, through an expiration timer or >>cookies, make it quite difficult for a customer to download the file and >>then just email it to thousands on the net. >> >>The ideal situation I would like is for the customer to download the file, >>upon extraction, they would agree to a one time use liscense and be >>informed that they will have 15 min to 1hour (depending on how many pages) >>min to print the file, after which the file will expire. >> >>Can This be programmed any way using pdf files? Can the program be >>customized in any way to make it work? Or do you have any better ideas and >>how would it cost? >> >>Thanks, for your time, >> >> >> >> >>--------------------------------------------------------------------------- >----- >>- >>Will Taylor >>Austin, TX 78704 >>512-419-4983,Fax: 512-441-8680 Email: will@willtaylormusic.com >>http://willtaylormusic.com, http://sheetmusiconline.net >>