Zooming on image hover.

Dear All,
 
         I have a client requirement to create a web page as it is in the below link,
http://www.artizara.com/Gathered-Silk-Wrap-Hijab-Emerald-Olive-Topaz-p/sc64eo.htm
 
         If anyone can give me any hints, i.e., where to start from or any sort of link that would be be helpful to me. Thanks in Advance.