im not really sure what a shared object is...
im trying ot create something similar to the header used at

That site may be using a shared object, or they are using an embedded variable
in the HTML Code. (If you notice, the flash content flashes white for a second
which shows that it in fact is being reloaded...) Look up Shared Object in the
ActionScript dictionary, under: Built-in Classes > Movie > SharedObject. Or try
a google search for embedding variables in flash with html (or something of
that nature). If you require more assistance, feel free to ask. :)