Doubts on Starting with Shark

[nani2ratna]

Hi Everybody,

I need to work on shark project which is developed by other company.
I have seen some links in the internet.
I got some doubts, can anybody answer me.

1) Are Together work flow and Shark work flow both are same or different.
2) Is there any document that gives full information about the shark.
3) Can we use it in web application without using any editors.
4) What is purpose of Workflow editor.
5) Is there any tutorial for XPDL.

If any body got the Tutorial please send me that one to my mail ID.
My e-mail id is [e-mail]

Thanks and Regards
RS.K
[e-mail]