HOW CAN PASS PARAMETERS

Dear all,

I am calling BI server report from form 10g by below method , how can i pass BI server password and parameter for the report.

DECLARE

repid REPORT_OBJECT;

report_prop VARCHAR2(20);

v_xmlpserver varchar2(100);

v_rep varchar2(100);

BEGIN

v_xmlpserver := 'http://10.0.0.147:7001/xmlpserver/~weblogic/Learn/EmpRep.xdo';

web.show_document(v_xmlpserver,'_blank');

END;

Thanks