Help chemiluminescent Immunoprecipitation

[SRINI at OPUS.MCO.EDU]

Hi, I have doing IPs for Integrins by the chemiluminescent method of 
Amersham ECL kit. Oflate I have had nasty film background problems.
Ihave tried everything the company booklet has suggested but no effect.
Ihave tried everything the company booklet has suggested but no effect.
IF you can help I will be very grateful.
Hopefully 
Jiangen