if(navigator.userAgent.indexOf('Mac') != -1) {
	document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="mac.css">');
	document.close();
}
else {
	document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="win.css">');
	document.close();
}

function openWin(file,winName,options){
	window.open(file,winName,options);
}