var PageNo = 1;

var loaded = false;

if (document.images) {
	/* PreCache all images */
	var aryContentImage = new Array();
	aryContentImage[0] = new Image(250,340);
	aryContentImage[1] = new Image(250,340);
	aryContentImage[2] = new Image(250,340);
	
	/* set image path for each photo */
	aryContentImage[0].src = "/portfolio/images/020.jpg";
	aryContentImage[1].src = "/portfolio/images/021.jpg";
	aryContentImage[2].src = "/portfolio/images/022.jpg";
	
	loaded = true;
}// end if
	
var aryContentText = new Array();
	aryContentText[0] = '<b>The Jungle House:</b><br/><br/>New steps allow room for recycling bins.'; 
	aryContentText[1] = '<b>Elevated<br/>Dining Room:</b><br/><br/>Unique stairs make this kitchen work.';
	aryContentText[2] = '<b>Kitchen:</b><br/><br/>Great storage!';

function swapImage(imageNo) {
	var contentId = document.getElementById('contentImage');
	var content = "<div><img src='"+aryContentImage[imageNo].src+"'></div>";
	contentId.innerHTML = content;
}

function swapText(imageNo) {
	var contentId = document.getElementById('contentText');
	var content = "<div>"+aryContentText[imageNo]+"</div>";
	contentId.innerHTML = content;
}

function swap(imageNo){
	swapImage(imageNo);
	swapText(imageNo);
	return;
}

function swapNav(){
	var navNo = ImageNo;
	var contentId = document.getElementById('nav1');
	var content = "<img src='"+aryNavImage[navNo].src+"'>";
	contentId.innerHTML = content;
	navNo = NavNo++;
	var contentId = document.getElementById('nav2');
	var content = "<img src='"+aryNavImage[navNo].src+"'>";
	contentId.innerHTML = content;
	navNo = NavNo++;
	var contentId = document.getElementById('nav3');
	var content = "<img src='"+aryNavImage[navNo].src+"'>";
	contentId.innerHTML = content;
}
function nextPage() {
	if (PageNo == 6){
		PageNo = 0;
		return;
	}
	PageNo++;
	swapNav();
}
/*
function prevPage() {
	if (PageNo == 0){
		PageNo = 5;
		swapImage();
		swapText();
		return;
	}
	PageNo--;
	swapImage();
	swapText();
}

function ResetPageNo() {
		PageNo = unescape(document.cookie.substring(11,document.cookie.length));
		var semiloc = PageNo.indexOf(";");
		if (semiloc > -1) {
			PageNo = PageNo.substr(0, semiloc);
		}
		//alert(PageNo)
		swapImage();
		swapText();
}*/