How to Access Variables defined in the PopUpWindow

Hi Friends
I am building a flex site using flex builder 2.....
Here I need your help.....
My Problem is how to store a variable from a popup window
I have this problem while in the login window comes as popup
while clicking login button in the page a popup where user
can enter username and password...
after submitting if the login is successufl the popup
vanish...
After a successful login I need to store the logged user name
in the main index page but I am not able to store
At first I created a variable 'loggedUsername' in the popup
panel and after success log i assigned the username to it ... after
it i am not able to get the loggedUsername..
doubting I defined the variable in the main index.mxml page
but this variable is not accessible from the loginwidow.mxml page
where the popup will function...
Heip me
how to store the name if the user login is success..
thanks
Chintu...

Lets say you have a public property in your application like
public var name:String = "John Smith";
to access this using an inline item renderer:
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To access variables of the applicaton you can use
Application.application.name (for example) to reference "global"
variables, so you might also use this technique. With an inline
item renderer, the outerDocument property will refer to the
component which contains the renderer.

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