Thank you Mike Klinke very much
Note: anyone want to use chm files under Fedora Core 3 can use this pacakges:
chmlib-0.35-1.1.fc3.rf.i386.rpm gnochm-0.9.3-1.1.fc3.rf.noarch.rpm python-chm-0.8.1-1.1.fc3.rf.i386.rpm
from http://dag.wieers.com/home-made/apt/packages.php
Regards, Ibraheem Haidar