Multiple Screens and Variables?

Is there a way/place to store variables so that other screens
can write and read the variables?
Essentially I am building an HTML/JS app that has multiple
pages and I am assuming screens are the way to go. Am I approaching
this wrong? Is there a better way to have information persist and
use multiple pages?
Thanks!

Okay, maybe I misunderstood the whole screen thing based on
the tutorials in the developing AIR with HTML and JavaScript (
http://livedocs.adobe.com/air/1/devappshtml/).
It seemed to me that I could have hidden screens and move them so
that they showed in the main monitor? No biggie.
Here is what I need: I have an HTML file (index.html). It has
menu buttons at the top, if someone goes to a new page via an <a
href="... " (call it about.html), how do I bring my variables or
get the data from the previous page to this page? Is there a place
to store variables so that they can be made available? Is this a
JavaScript thing, or is this an AIR thing? Also, launching a new
window is not what I want to do. When you say 'object', what kind
of object are you talking about? Is it a generic Object created by
ActionScript? Do I subclass this object to hold my variables and
values? Kind of like a session variable or other scope of variable
where I can access the information and change it no matter what
HTML file the system is using.
Sorry, I know that was long!
Thanks.

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