How to call store procedure from DB trigger in oracle 10g?

[Rohullah]

Hello Everyone

I want to call store procedure from DataBase Trigger
how to call it.
i tried as following but it give me error.

For example This is my Procedure
----------------------------------

CREATE OR REPLACE PROCEDURE P1
 IS
 CURSOR C1 IS SELECT EMPNO,ENAME FROM EMP;
 V_EMPNO NUMBER;
 V_ENAME VARCHAR2(20);
 BEGIN
 OPEN C1;
 LOOP
 FETCH C1 INTO V_EMPNO,V_ENAME;
 EXIT WHEN C1%NOTFOUND;
 DBMS_OUTPUT.PUT_LINE(V_EMPNO||' '||V_ENAME);
 END LOOP;
 END;

/
Now I want to Execute the above procedure from Database Trigger,
when the INSERT,UPDATE or DELETE occure to the table
the above procedure should automitclly EXECUTE.

This is my trigger

CREATE OR REPLACE TRIGGER EMP_TRIG
AFTER INSERT OR UPDATE OR DELETE ON EMP
FOR EACH ROW
BEGIN
CALL P1();
END;

/

it give me the following Error.

LINE/COL ERROR
-------- ------------------------------------------------
2/6 PLS-00103: Encountered the symbol "P1" when expecting one of the
following:
:= . ( @ % ;
The symbol ":=" was substituted for "P1" to continue.


--------------------------------------------------------
Thanks in Advance.
looking forword.

[debasisdas]

try this.

    CREATE OR REPLACE TRIGGER EMP_TRIG
    AFTER INSERT OR UPDATE OR DELETE ON EMP
    FOR EACH ROW
    BEGIN
    CALL P1;
    END;
 

[Rohullah]

Hello Dear
I try the above method but its again give the following error
---------------------------------------
SQL> show error;
Errors for TRIGGER EMP_TRIG:

LINE/COL ERROR
-------- -----------------------------------------------------------------
2/13 PLS-00103: Encountered the symbol "P1" when expecting one of the
following:
:= . ( @ % ; immediate
The symbol ":=" was substituted for "P1" to continue.
------------------
please help me
thanks in advance.