para que no digan que soy ojaldra
en la primer pagina(ventana normal) pones este codigo: y se abrira la ventana a modo completo!
<HTML>
<HEAD>
<TITLE>Launching a Full Screen Window</TITLE>
<!--
Popup Window
Version 2.0
Last Updated: May 7, 1999
Copy permission granted for non-commercial uses. Written by Colin Moock.-->
<SCRIPT LANGUAGE="JavaScript"> var javascript_version = 1.0;</SCRIPT>
<SCRIPT LANGUAGE="JavaScript1.1"> javascript_version = 1.1;</SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
var newwin;
function launchwin(winurl,winname,winfeatures)
{
//This launches a new window and then
//focuses it if window.focus() is supported.
newwin = window.open(winurl,winname,winfeatures);
if(javascript_version > 1.0)
{
//delay a bit here because IE4 encounters errors
//when trying to focus a recently opened window
setTimeout('newwin.focus();',250);
}
}
</SCRIPT>
</HEAD>
<BODY>
<a href="javascript
:launchwin('pageinwindow.html','ne wwindow','width='+(screen.width - 10)+',height='+(screen.height - 30)+',screenX=0,screenY=0,directories=0,fullscreen =1,location=0,menubar=0,scrollbars=0,status=0,tool bar=0')">launch the window...</a>
</BODY>
</HTML>
CREA UNA PAGINA QUE SE LLAME pageinwindow.html
o cambia este valor por el nombre de tu pagina.