How to access the main dashboard page based on their assigned role in pentaho CDE

Hi All,

How to access the main dashboard page based on their assigned role in pentaho CDE with using java scripts .

like:

Control what squares a user has access to on main dashboard page based on their assigned role.

Executive: Revenue Dashboard / Sales Team Dashboard / ABC Dashboard / AVD Dashboard

Sales Executive: Revenue Dashboard / Sales Team Dashboard / AVD Dashboard

Sales AVD : Sales Team Dashboard / AVD Dashboard.

I think based on user dashboard link unable and disable in iframe and authontigate the login user in pentaho cde dashbaord .
how to use the java scripts.

Cold you please help me its urgent basis.



thanks
Manoj