if ((navigator.appVersion.indexOf("Mac") != -1)) {
	document.write("<link rel=stylesheet href=\"/css/ieMAC_style.css\" type=\"text/css\">"); 
}
	else if (navigator.appName == "Netscape") {
	document.write ("<link rel=stylesheet href=\"/css/ns_style.css\" type=\"text/css\">");
}
	else {
	document.write ("<link rel=stylesheet href=\"/css/ie_style.css\" type=\"text/css\">");
}