{
	// Browsertest
	
	var NN = (navigator.appName == "Netscape");
	var NN2 = NN && (navigator.userAgent.indexOf("Mozilla/2") != -1);
	var NN3 = NN && (navigator.userAgent.indexOf("Mozilla/3") != -1);
	var NN4 = NN && (navigator.userAgent.indexOf("Mozilla/4") != -1);
	
	var IE = navigator.userAgent.indexOf("MSIE") != -1;
	var IE3 = navigator.userAgent.indexOf("MSIE 3") != -1;
	var IE4 = navigator.userAgent.indexOf("MSIE 4") != -1;
	
	var NN3plus = NN && (parseInt(navigator.appVersion) >= 3);
	var IE4plus = IE && (parseInt(navigator.appVersion) >= 4);
	
	// Browser-specifieke style sheets
	
	link1 = '<LINK REL="stylesheet" HREF="';
	link2 = '" TYPE="text/css">';
	
	cssnn4  = 'robert2_NN.css';
	cssie3  = 'robert2A.css';
	cssie4  = 'robert2A.css';
		
	if (NN4) document.write(link1 + cssnn4 + link2);
	if (IE3) document.write(link1 + cssie3 + link2);	
	if (IE4plus) document.write(link1 + cssie4 + link2);	
}