//
if(navigator.appVersion.charAt(0)>=4){
	if (navigator.platform.indexOf("Mac",0) != -1) { 
		document.write("<link rel='stylesheet' type='text/css' HREF='../header/css/mac.css'>");
	} else if (navigator.appVersion.indexOf("MSIE",0) != -1){
		document.write("<link rel='stylesheet' type='text/css' HREF='../header/css/win_ie.css'>"); 
	} else { 
		document.write("<link rel='stylesheet' type='text/css' HREF='../header/css/win.css'>"); 
	} 
}