How to open web page full screen?

Here is full-screen for netscape:
<script language="JavaScript"><!--
window.open('page.html','newwin','fullscreen');
//--></script>

for ie:

<script language="JavaScript"><!--
w=800
h=600
if (window.screen) {
w = window.screen.availWidth;
h = window.screen.availHeight;
}
window.open('page.html','newwin','width='+w+',height='+h+',top=0,left=0');
//--></script> 

u can do this with this client script function

or

set this proper way in u r ie browser...

http://browsers.about.com/od/internetexplorertutorials/ss/IE9-full-screen-mode.htm