if(!csspath) var csspath='/css/';
var browser, cssfile;
if((navigator.userAgent.indexOf(" Opera ") != -1)||(navigator.userAgent.indexOf("Opera/") != -1)){
	if(navigator.platform.indexOf("Mac") != -1){
		browser='Mac-Opera';
	}else{
		browser='Win-Opera';
	}
}else if(navigator.platform.indexOf("Mac") != -1){
	if(navigator.userAgent.indexOf("Safari/") != -1){
		browser='Mac-Safari';
	}else if(navigator.appVersion.indexOf('MSIE') != -1){
		browser='Mac-IE';
	}else if(navigator.userAgent.indexOf("Gecko/") != -1){
		browser='Mac-Gecko';
	}else if((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4)){
		browser='Mac-NS4';
	}else{
		browser='Mac-unknown';
	}
}else if((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)){
	if (navigator.appVersion.indexOf('MSIE 6') != -1){
		browser='Win-IE6';
	}else{
		browser='Win-IE6';
	}
}else if(navigator.userAgent.indexOf("Gecko/") != -1){
		browser='Win-Gecko';
}else if((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4)){
		browser='Win-NS4';
}else{
		browser='Win-unknown';
}
switch(browser){
	case 'Mac-NS4':
		cssfile='mac_ns.css';
		break;
	case 'Mac-Gecko':
		cssfile='mac_gecko.css';
		break;
	case 'Mac-IE':
	case 'Mac-Opera':
	case 'Mac-unknown':
		cssfile='mac_ie.css';
		break;
	case 'Mac-Safari':
		cssfile='mac_safari.css';
		break;
	case 'Win-Gecko':
		cssfile='win_gecko.css';
		break;
	case 'Win-IE':
	case 'Win-IE6':
	case 'Win-Opera':
	case 'Win-unknown':
		cssfile='win_ie.css';
		break;
	case 'Win-NS4':
		cssfile='win_ns.css';
		break;
	default:
		cssfile='default.css';
		break;
}
if(cssfile) document.write('<LINK rel="stylesheet" href="'+csspath+cssfile+'" type="text/css">');