var basepath = 'http://www.round.com.au/';
var maxheight = 660;

var viewportwidth;
var viewportheight;

// the more standards compliant browsers
if (typeof window.innerWidth != 'undefined'){
	viewportwidth = window.innerWidth,
	viewportheight = window.innerHeight
}
// IE6 in standards compliant mode 
else if (typeof document.documentElement != 'undefined' && typeof document.documentElement.clientWidth !='undefined' && document.documentElement.clientWidth != 0){
	viewportwidth = document.documentElement.clientWidth,
	viewportheight = document.documentElement.clientHeight
}
// older versions of IE
else {
	viewportwidth = document.getElementsByTagName('body')[0].clientWidth,
	viewportheight = document.getElementsByTagName('body')[0].clientHeight
}
//document.write(viewportheight);

var ie6 = false;
var ie7 = false;
if(Browser.Engine.name == 'trident' && Browser.Engine.version <= 4) { ie6 = true; }
if(Browser.Engine.name == 'trident' && Browser.Engine.version > 4) { ie7 = true; }
//document.write(Browser.Engine.name);
//document.write(Browser.Engine.version);


if(viewportheight > maxheight &&  ie6 == false &&  ie7 == false){ 
	//document.write('round_screen_fixednav.css');
	document.write('<link rel="stylesheet" type="text/css" href="'+basepath+'css/round_screen_fixednav.css">');
} else if(viewportheight > maxheight &&  ie7 == true){ 
	//document.write('round_screen_ie7.css');
	document.write('<link rel="stylesheet" type="text/css" href="'+basepath+'css/round_screen_ie7.css">');
} else {
	//document.write('round_screen.css');
	document.write('<link rel="stylesheet" type="text/css" href="'+basepath+'css/round_screen.css">');
}