how GET Output to Excel with Oracle9i Report using

how GET Output to Excel with Oracle9i Report using OC4J.
I FINISHED THE SETPS CONCIDERING THE JSP CODE NEEDED TO GET THE EXCEL OUTPUT ON LOCAL MACHINE.

I NEED TO PUBLISH THIS REPORT THROUGH APPLICATION SERVER.
THE QUESTION IS:
1- HOW TO START AN OC4J INSTANCE FROM ORACLE 9I DS FOR THIS REPORT?
2- WHERE (PATH) TO PUBLISH THE REPORT ON THE APPLICATION SERVER?
3- WHAT IS THE DEFAULT URL TO RUN THIS REPORT AND WHERE TO PUT IT?
4- HOW TO MAKE MAPPING FOR DIRECOTRY PATH TO TRANSLATED AS URL FOR THIS REPORT?


THANK YOU