Urgent help needed

Hi Experts,

Right now i m developing one workflow for Draw Object.

In that i m using fork which is having 5 branches.

in 5 of them i m sending document for edit (parallelly).

For each branch i have created different task..

and each task is having different user id.

so the workitem is going in different user's inbox but if any one of them is editing document then all the workitems (in different userids inbox) are getting processed.

Other people are not able to put changes into that document.

Can anyone tell me that how i can handle this problem....

please reply as soon as possible and tell if any clearifications are required.

Thank you in advance.

Regards,

Hetal.....