if (browser.WinOs){
	if (browser.b == "ns"){
  		document.write('<link rel="stylesheet" href="./css/styles_ns.css">');
	} else{
 		document.write('<link rel="stylesheet" href="./css/styles_ie.css">');
	}
	//document.write('<link rel="stylesheet" href="./css/styles.css">');
}else{
	if (browser.b == "ns"){
	  document.write('<link rel="stylesheet" href="./css/mac_styles_ns.css">');
	} else{
	  document.write('<link rel="stylesheet" href="./css/mac_styles_ie.css">');
	}
	//document.write('<link rel="stylesheet" href="./css/mac_styles.css">');
}