Waiting for a site in JAVA to finish loading

[Raz]

Hi,

I'm trying to work with a site written in Java, and insert data from cells
in a worksheet into some fields.
I'm using the sendkeys function because I really dont know how to get it to
write the data into the fields since it's java and not HTML.

anyway, I need to let the macro know if the page stopped loading and then
insert the data.
I guess that since it's java, using the readystate property of Internet
Controls won't work.
I need another way to let it know whether the page is still loading or not.

I should mention that in order to get to the java window, I press a button
on a HTML site and a new window pops up, but it's not openning a new instance
of Internet Explorer.. it just disables the focus from the original window..

thanks!