mac=(navigator.appVersion.indexOf("Mac",0) != -1)?true:false;
ie=(navigator.appName.charAt(0) == "M")?true:false;

if(mac){
	//For Macintosh IE NS
	if(ie){
	//For Mac IE
	document.write('<link rel="stylesheet" type="text/css" href="common/css/macie.css">');
	}
	else{
	//For Mac NS
	document.write('<link rel="stylesheet" type="text/css" href="common/css/macns.css">');
	}
}
else{
	if(ie){
	//For Windows IE
	document.write('<link rel="stylesheet" type="text/css" href="common/css/winie.css">');
	}
	else{
	//For Windows NS
	document.write('<link rel="stylesheet" type="text/css" href="common/css/winns.css">');
	}
}