Is there a way my images or pictures and videos to not be downloaded by a

[Herbert D]

user in the internet? I want to make a website where there are images and videos in it .Is there a way to block or encrypt the images or video so that it would not be downloaded by the end user who would view the website?Im planning to use rapidweaver or iweb on mac osx snow leopard tomake the website.Any suggestions out there would be greatly appreciated