var isMac = navigator.appVersion.indexOf("Mac") != -1
var isIE4 = (navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >=4);
var isNN4 = (navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >=4);

var pageURL = document.location.href;
var pageURLArray = pageURL.substring(7).split("/")
var currentTab = pageURLArray[1].split("?")[0];
var currentLinks = ((pageURLArray.length > 2) ? pageURLArray[2].split("?")[0] : "");
var currentSearch = ((pageURLArray.length > 4) ? pageURLArray[4] : "");

function getParams()
{
	var params = new Object();
	var query = location.search.substring(1);
	var pairs = query.split("&");
	for (var i = 0; i < pairs.length; i++)
	{
		var pos = pairs[i].indexOf('=');
		if (pos == -1) 
			continue;
		var argname = pairs[i].substring(0,pos);
		var value = pairs[i].substring(pos+1);
		// First, replace any plus signs with spaces
		while ((pos = value.indexOf("+")) != -1)
		{
			value = value.substring(0,pos) + ' ' + value.substring(pos+1);
		}
   	params[argname] = unescape(value);
	}
	return params;
}

function getParam(strParam)
{
	return strParam ? strParam : ""
}

function ex(form){
	window.location.href=form.s.options[form.s.selectedIndex].value;
}

function censuspdf(pdfUrl)
{
	var leftPos
	if (screen){
		leftPos = screen.width-550-15}
	self.name="ancmain";
	openWin = window.open(pdfUrl,"anc","toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1,top=5,left="+leftPos+",width=550,height=550");
	if (openWin){openWin.focus()};
}

function help(helpURL){
var leftPos
if (screen){
	leftPos = screen.width-375}
self.name="ancmain";
helpWin = window.open(helpURL,"anchelp","toolbar=0,location=0,status=0,menubar=0,scrollbars=0,resizable=0,top=5,left="+leftPos+",width=360,height=400");
if (helpWin){helpWin.focus()};
}

function myaccount(myaccountURL){
	window.location.href=myaccountURL;
}

function makeArray(n) {
this.length = n
return this
}
monthNames = new makeArray(12)
monthNames[1] = "January"
monthNames[2] = "February"
monthNames[3] = "March"
monthNames[4] = "April"
monthNames[5] = "May"
monthNames[6] = "June"
monthNames[7] = "July"
monthNames[8] = "August"
monthNames[9] = "September"
monthNames[10] = "October"
monthNames[11] = "November"
monthNames[12] = "December"
function dateString(oneDate) {
var theMonth = monthNames[oneDate.getMonth() + 1]
var theYear = oneDate.getFullYear()
return theMonth + " " + oneDate.getDate() + ", " + theYear}

// used by Data Annotations
function launchDA(_URL)
{
var leftPos
if(screen)
{leftPos=screen.width-555}
self.name="ancmain";daWin=window.open(_URL,"daWin","toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1,top=5,left="+leftPos+",width=540,height=400");
if(daWin){daWin.focus()};
}

// Used with the button bar
var CHOME = 0
var CSEARCH = 1
var CTREES = 2
var CBOARDS = 3
var CLEARN = 4
var CSHOPS = 5
var CHELP = 6

// Gale only -------------------------------------------
var homePage = pageURL.substring(7).split("/")[0] == "gale.ancestry.com" && currentTab == null || currentTab == "home" || currentTab == "ggmain.htm";
function mOver(theImg,state){
var whichImg = document.images[theImg];
var doIt = (whichImg.src.indexOf("a.gif"));
	if (doIt <= 1){
		if (document.images && state == 1){
		whichImg.src = "http://www.gale.ancestry.com/b_images/" + theImg + "o.gif";}
		else if (document.images && state == 0){
		whichImg.src = "http://www.gale.ancestry.com/b_images/" + theImg + ".gif";}
	}
}
// Gale only -------------------------------------------