function gBrowserType(){
	
	if (navigator.appName.indexOf("Netscape") >=0){
		return "NS";
	}else if (navigator.appName.indexOf("Explorer") >=0){
		if (navigator.userAgent.indexOf("Opera") >= 0){
			return "OP";
		}else{
			return "IE";
		}
	}else{
		return "NA";
	}
}


function gBrowserVersion(){
	switch (gBrowserType()){
		case "NS":
			return parseInt(navigator.appVersion.substr(0,1));
			break; 
			
		case "IE":
			return parseInt(navigator.appVersion.substr(navigator.appVersion.indexOf("MSIE")+5, 1));
			break; 
		
		default:
			return 4;
	}
}

function gOS(){
	if (navigator.platform.indexOf("Mac")>=0)
		return "MAC";
	else 
		return "WIN";
}

var OS;
var BrowserVersion;
var BrowserType;

//determine OS
OS = gOS();
	
//determine browser type
BrowserType = gBrowserType();

	
//determine browser version
BrowserVersion = gBrowserVersion();


if (OS == "MAC"){
	if (BrowserType=="NS") {
		if (BrowserVersion < 5){
			document.writeln ('<link rel="stylesheet" href="/style/framework/MAC-NS4.css"><link rel="stylesheet" href="/style/site/MAC-NS4.css">');
		}else{
			document.writeln ('<link rel="stylesheet" href="/style/framework/MAC-NS.css"><link rel="stylesheet" href="/style/site/MAC-NS.css">');
		}
	}else{
		document.writeln ('<link rel="stylesheet" href="/style/framework/MAC.css"><link rel="stylesheet" href="/style/site/MAC.css">');
	}
}else if (OS == "WIN"){
	if (BrowserType=="NS") {
		if (BrowserVersion < 5){
			//document.writeln ('<link rel="stylesheet" href="/style/site/WIN-NS4.css">');
		}else{
			document.writeln ('<link rel="stylesheet" href="/style/framework/WIN-NS.css"><link rel="stylesheet" href="/style/site/WIN-NS.css">');
		}
	}else{
		document.writeln ('<link rel="stylesheet" href="/style/framework/WIN.css"><link rel="stylesheet" href="/style/site/WIN.css">');
	}
}else{
	document.writeln ('<link rel="stylesheet" href="/PPWI/style/framework/WIN.css"><link rel="stylesheet" href="/PPWI/style/site/WIN.css">');
}


function bookmarkSite(){
	
	if (OS == "MAC"){
		if (BrowserType=="OP") {
			alert("To bookmark this page, click OK, and then press COMMAND+T.");
		}else{
			alert("To bookmark this page, click OK, and then press COMMAND+D.");
		}
	}else if (OS == "WIN"){
		if (BrowserType=="OP") {
			alert("To bookmark this page, click OK, and then press CTRL-T.");
		}else if (BrowserType=="NS"){
			alert("To bookmark this page, click OK, and then press CTRL-D.");
		}else{
			window.external.AddFavorite(location.href,document.title);
		}
	}
}


function printNow(){
	
	if (OS == "MAC"){
		alert("To print this page, click OK, and then press COMMAND+P.");
	}else{
		if (BrowserType=="IE") {
			top.frames('bottom').focus();top.frames('bottom').print();
		}else{
			alert("To print this page, click OK, and then press CTRL-P.");
		}
	}
}