kernel recompile

I want to recompile my kernel just as it is right now. This will place the needed things in place to do a vmware install. I am looking for instructions how to do this on suse 9.0. I am looking for the .config file that suse used to create the kernel that suse installed. Is it posted somewhere? or is it on my system somewhere? Is it possible to create a .config from a kernel sitting in my /boot folder? My kernel is listed as vmlinuz-2.4.21-99-athlon dated 9/23/2003