;-)

http://jsfiddle.net/nFNsD/ jQuery UI

http://jsfiddle.net/yXx5L/1/ dust

http://jsfiddle.net/rajkamal/9YyXS/1/ SVG

http://jsfiddle.net/4bY3r/

https://jsfiddle.net/2rszkn6v/ - D3