A cnet download type web site

i am trying to start my own download site and would like it to be just like cnet downloads. I would like it to have the number of times the file has been downloaded and the rating system and a search engine that has the alternate color for every other result. for example when you search i would like it to were the first result is with a white table backround and the second one being light blue and then white for the next one and ect.. plase email me for more detailed information ## Deliverables I would like to test it out before i pay for it and i would like it to be commented in the code.