// OPEN FULLSCREEN

function detectVersion() 
{ 
version = parseInt(navigator.appVersion);
return version;
}  
function detectOS()
{
if(navigator.userAgent.indexOf('Win') == -1) { 
OS = 'Macintosh'; 
} else {
OS = 'Windows';
} 
return OS;
}

function detectBrowser()
{
if(navigator.appName.indexOf('Netscape') == -1) { 
browser = 'IE';
} else { 
browser = 'Netscape';
} 
return browser;
}  

function FullScreen(){ 

var adjWidth;
var adjHeight;

if((detectOS() == 'Macintosh') && (detectBrowser() == 'Netscape')) {
adjWidth = 20;
adjHeight = 35;
}
if((detectOS() == 'Macintosh') && (detectBrowser() == 'IE')) { 
adjWidth = 20;
adjHeight = 35;
winOptions = 'fullscreen=yes';
}
if((detectOS() == 'Windows') && (detectBrowser() == 'Netscape')) { 
adjWidth = 30;
adjHeight = 30;
} 
if(detectVersion() < 4) { 
self.location.href = 'oldbrowser.html';
} else { 
var winWidth = screen.availWidth - adjWidth;
var winHeight = screen.availHeight - adjHeight;
var winSize = 'width=' + winWidth + ',height=' + winHeight;
var thewindow = window.open('thefullscreen.php', 'WindowName', winSize);
thewindow.moveTo(10,0);
}
} 

function MakeItSo(){ 
if((detectOS() == 'Windows') && (detectBrowser() == 'IE')) {
window.open('thefullscreen.php','windowname','fullscreen=yes');
} else { 
onload=FullScreen();
}
}