function BrowserDetect() {
	var agent = navigator.userAgent.toLowerCase(); 
	// Browser version
	this.versionMajor = parseInt(navigator.appVersion); 
	this.versionMinor = parseFloat(navigator.appVersion); 

	// Browser name
	this.ns    = (agent.indexOf('mozilla')!=-1 && agent.indexOf('spoofer')==-1 && agent.indexOf('compatible') == -1 && agent.indexOf('opera')==-1 && agent.indexOf('webtv')==-1); 
	this.ie    = (agent.indexOf("msie") != -1); 
	this.opera = (agent.indexOf("opera") != -1); 
	this.mozilla = (agent.indexOf("mozilla") != -1 && agent.indexOf ("en-us") && agent.indexOf ("gecko") != -1 ); 

	// Platform type
	this.win   = (agent.indexOf("win")!=-1 || agent.indexOf("16bit")!=-1);
	this.win32 = (agent.indexOf("win95")!=-1 || agent.indexOf("windows 95")!=-1 || agent.indexOf("win98")!=-1 || agent.indexOf("windows 98")!=-1 || agent.indexOf("winnt")!=-1 || agent.indexOf("windows nt")!=-1 || (this.versionMajor >= 4 && navigator.platform == "win32") || agent.indexOf("win32")!=-1 || agent.indexOf("32bit")!=-1);
	this.mac   = (agent.indexOf("mac")!=-1);
	this.linux   = (agent.indexOf("linux")!=-1);
}
var is = new BrowserDetect();

if ( is.win ) {
    if ( is.ns && ! is.mozilla ) {
        document.write ( '<link rel="stylesheet" href="/includes/win_ns.css">' );
        document.write ( '<script language="JavaScript" src="/includes/menu_v3.js"></script>' );
        document.write ( '<script language="JavaScript" src="/includes/win_ns_pos.js"></script>' );
    } else {
        document.write ( '<link rel="stylesheet" href="includes/win_ie.css">' );
        document.write ( '<script language="JavaScript" src="includes/menu_v3.js"></script>' );
        document.write ( '<script language="JavaScript" src="includes/win_ie_pos.js"></script>' );
    }
} else if ( is.mac ) {
    if ( is.ns && ! is.mozilla ) {
//   document.write ( 'ns' );
        document.write ( '<link rel="stylesheet" href="/includes/mac_ns.css">' );
        document.write ( '<script language="JavaScript" src="/includes/menu_v2_1.js"></script>' );
        document.write ( '<script language="JavaScript" src="/includes/mac_ns_pos.js"></script>' );
    } else {
//    document.write ( 'ie' );
        document.write ( '<link rel="stylesheet" href="/includes/mac_ie.css">' );
        document.write ( '<script language="JavaScript" src="/includes/menu_v2_1.js"></script>' );
        document.write ( '<script language="JavaScript" src="/includes/mac_ie_pos.js"></script>' );
    }
} else {
    if ( is.ns && ! is.mozilla ) {
        document.write ( '<link rel="stylesheet" href="/includes/other_ns.css">' );
        document.write ( '<script language="JavaScript" src="/includes/menu_v3.js"></script>' );
        document.write ( '<script language="JavaScript" src="/includes/other_ns_pos.js"></script>' );
    } else {
        document.write ( '<link rel="stylesheet" href="/includes/other.css">' );
        document.write ( '<script language="JavaScript" src="/includes/menu_v3.js"></script>' );
        document.write ( '<script language="JavaScript" src="/includes/other_pos.js"></script>' );
    }
}