Pblm with streaming ..

Hello, I hv attatched a 33 mb .mpeg file a small clip in my project, but when I click it download the whole file then open/play. I want like, in some site I have seen the buffering/streaming, that it will show some play for 1-2 min and again buffer something and again.... so user does'nt hv to wait for the full time. any idea how to do? I am not getting any idea/starting how to do it ... need help.. ~ 10nx... ~ ganu...