Read more about flash .SWF files. Probably it is the most simple technology you can use here. There could be some alternative technologies like ActiveX or Java that can do the same job, however I would use flash.

p.s.
As with any other web or software project you can get professionals to the job at a freelance project marketplace. You can find lots of web-developers from Russia, India, China, Canada, US, UK,... there.