//  This function tells the caller if the current machine is a Macintosh



function isPPC()

{

	if(navigator.appVersion.indexOf("PPC") != -1) {

		return true;

	} else {

		return false;

	}

}



//  This object records information about the browser



function Is() {

    agent  = navigator.userAgent.toLowerCase();

    this.major = parseInt(navigator.appVersion);

    this.minor = parseFloat(navigator.appVersion);

    this.ns    = ((agent.indexOf('mozilla')   !=   -1) && 

		 ((agent.indexOf('spoofer')   ==   -1) && 

		 (agent.indexOf('compatible') ==   -1)));

    this.ns3   = (this.ns && (this.major      ==    3));                 

    this.ns4   = (this.ns && (this.major      ==    4));

    this.ns6   = (this.ns && (this.major      >=    5));

    this.ie    = (agent.indexOf("msie")       !=   -1);

    this.ie3   = (this.ie && (this.major      < 4));

    this.ie4   = (this.ie && (this.major      == 4) && 

		 (agent.indexOf("msie 4.0")   !=   -1));

    this.ie5   = (this.ie && (this.major      == 4) &&

		 (agent.indexOf("msie 5.0")   !=   -1));

    this.ie55  = (this.ie && (this.major      ==    4) && 

		 (agent.indexOf("msie 5.5")   !=   -1));

    this.ie6   = (this.ie && (agent.indexOf("msie 6.0")!=-1) );

    this.opera = (agent.indexOf("opera")      !=   -1);

}





//  Browser detection section

 	

 	var isMac = isPPC();

 	var is = new Is();

 	

 	if (isMac) {

 	

		if (is.ns)

		{



		document.writeln('<link REL=stylesheet HREF=\"' + rootDirectory + 'haac_ns_mac.css\" type=\"text/css\">')

		}

		else {



		document.writeln('<link REL=stylesheet HREF=\"' + rootDirectory + 'haac_mac.css\" type=\"text/css\">')

		}

 		

 	} else {

 	

		if (is.ns)

		{



		document.writeln('<link REL=stylesheet HREF="' + rootDirectory + 'haac_ns.css" type="text/css">')

		}

		else {



		document.writeln('<link REL=stylesheet HREF="' + rootDirectory + 'haac.css" type="text/css">')

		}

		

	}