Try
Scalable Vector Graphics (SVG) You can draw any type of chart, but remeber it requires effort of coding.
SVG is W3C recommendation and supported by every platform. And Chart generated by SVG are very rich.
but it requires a tiny IE plug-in like macromedia flash.
take a look of Adobe website there are
Some Chart Sample [ October 07, 2004: Message edited by: Shailesh Chandra ]