navIndex = new Array('dollhouses','furniture','accessories','dolls','halfscale','viewcart','checkout')
imagePrefix = "nav_"
currentPage = ""
filePath = (location.href.indexOf("cgi-bin") >= 0)? "../" : ""

function preLoadImages() {
	imgArray = navIndex
	for (x=0;x<imgArray.length;x++) {
		thisImage = eval("document." + imgArray[x] + "Img")
		thisImage.name = imgArray[x] + "Img"
		thisImage.defaultState = filePath + "images/" + imagePrefix + imgArray[x] + ".gif"
		thisImage.overState = filePath + "images/" + imagePrefix + imgArray[x] + "_over.gif"
		thisImage.onmouseover = function () { this.src=this.overState }
		thisImage.onmouseout = function () { if (currentPage + "Img" != this.name ) this.src=this.defaultState }
	}
}

function measureWindow() {
	if (document.layers) thewidth = innerWidth - 16
	if (document.all) thewidth = document.body.clientWidth 
	if (document.getElementById && !document.all) thewidth = innerWidth - 20
	referencepoint = Math.round((thewidth - 742) / 2)
	if (thewidth < 744) referencepoint = 0
	return referencepoint
}


function positionLayer(layername,leftoffset,ocular) {
	leftPoint = measureWindow()
	menuLyr = eval(doc + layername + sty);
	menuLyr.left = leftPoint + leftoffset
	if (ocular) {
		menuLyr.visibility = "visible"
	} else {
		menuLyr.visibility = "hidden"
	}
}

if (document.getElementById) {
	DOM = true;
	doc = "document.getElementById('"
	sty = "').style";
}
if (document.layers) {
	NS4 = true;
	doc = "document['";
	sty = "']";
}
if (document.all && !DOM) {
	IE4 = true;
	doc = "document.all['";
	sty = "'].style";
}

function viewCart() {
	window.open('https://www.paypal.com/cart/display=1&business=info%40tammysheirlooms.com','cartwin','width=600,height=400,scrollbars,location,resizable,status');
}

function addBookmark() {
	if (document.all) {
		window.external.AddFavorite("http://www.tammysheirlooms.com","Tammy's Heirlooms - Fine Dollhouse Miniatures")
	}
}

function initLayers() {
	positionLayer('imageLayer',250,true)
}