Forms :: Call From Through Menu With Parameter

how can i call form through menu bar with parameter...

i made a log-in form in which i take user name and i send it to called form in and which forms is called there i create a parameter of that name which i called log-in form...

but when now i reached it on second form there is i use menu.. than how can i send this user name to other forms which i called through menu bar....

I Use this code for calling form through log-in form...

but what can i do for call form with parameter through menu..

DECLARE
ALRT NUMBER;
T_REC NUMBER;

[Code]....