That is a 12 year old website with a javascript tool for posting previously played games and analysis on your website. It doesn't sound like people could use it to play live games.
At any rate, they provided a fair amount of documentation. Did you read the palview instruction pages?
i am doing this for a academic project. I need to create an website where chess can played with computer and multiplayer. I downloaded a tool called palview4 which contains the html and js files for diff. types of gmaeplay. But i'm stuck with all those codes. Need a suggestion what to do.