// Author: Michael Parsons

var g1Images = ["images/slide/pergolas/stevens/stevens001.jpg",
				"images/slide/pergolas/stevens/stevens002.jpg",
				"images/slide/pergolas/stevens/stevens003.jpg",
				"images/slide/pergolas/stevens/stevens004.jpg",
				"images/slide/pergolas/stevens/stevens005.jpg",
				"images/slide/pergolas/stevens/stevens006.jpg",
				"images/slide/pergolas/stevens/stevens007.jpg",
				"images/slide/pergolas/stevens/stevens008.jpg",
				"images/slide/pergolas/stevens/stevens009.jpg",
				"images/slide/pergolas/stevens/stevens010.jpg",
				"images/slide/pergolas/stevens/stevens011.jpg",
				"images/slide/pergolas/stevens/stevens012.jpg",
				"images/slide/pergolas/stevens/stevens013.jpg",
				"images/slide/pergolas/stevens/stevens014.jpg",
				"images/slide/pergolas/stevens/stevens015.jpg",
				"images/slide/pergolas/stevens/stevens016.jpg"];

var g2Images = ["images/slide/pergolas/royaloak/royaloak001.jpg",
				 "images/slide/pergolas/royaloak/royaloak002.jpg",
				 "images/slide/pergolas/royaloak/royaloak003.jpg",
				 "images/slide/pergolas/royaloak/royaloak004.jpg",
				 "images/slide/pergolas/royaloak/royaloak005.jpg",
				 "images/slide/pergolas/royaloak/royaloak006.jpg"];
				
var g3Images = ["images/slide/pergolas/owenscourt/owenscourt001.jpg",
				 "images/slide/pergolas/owenscourt/owenscourt002.jpg",
				 "images/slide/pergolas/owenscourt/owenscourt003.jpg"];

var g4Images = ["images/slide/pergolas/lakeroad/lakeroad001.jpg",
				"images/slide/pergolas/lakeroad/lakeroad002.jpg",
				"images/slide/pergolas/lakeroad/lakeroad003.jpg",
				"images/slide/pergolas/lakeroad/lakeroad004.jpg",
				"images/slide/pergolas/lakeroad/lakeroad005.jpg",
				"images/slide/pergolas/lakeroad/lakeroad006.jpg"];

				
				
var galInUse = g1Images;
var currentPic = 0;

function changeGallery(number){
	gInUse(number);

	currentPic = 0;
	doc("ssi").src = galInUse[0];
	doc("galInfo").innerHTML = "IMAGE " + (currentPic + 1) + " OF " + galInUse.length;
	//modifyCurrentGal(number);
}

function previousPic(){
	if (currentPic == 0)
		currentPic = galInUse.length - 1;
	else
		currentPic--;

	doc("ssi").src = galInUse[currentPic];
	doc("galInfo").innerHTML = "IMAGE " + (currentPic + 1) + " OF " + galInUse.length;
}

function nextPic(){
	if (currentPic == galInUse.length - 1)
		currentPic = 0;
	else
		currentPic++;

	doc("ssi").src = galInUse[currentPic];
	doc("galInfo").innerHTML = "IMAGE " + (currentPic + 1) + " OF " + galInUse.length;
}

function modifyCurrentGal(number){
	var thumbs = document.getElementsByName("thumb");

	for (i = 0; i < thumbs.length; i++){
		if (i == (number - 1))
			thumbs[i].className = "thumbcurrent";
		else
			thumbs[i].className = "thumbnail";
	}
}

function gInUse(number){
	if (number == 1)
		galInUse = g1Images;
	else if (number == 2)
		galInUse = g2Images;
	else if (number == 3)
		galInUse = g3Images;
	else if (number == 4)
		galInUse = g4Images;
	else if (number == 5)
		galInUse = g5Images;
	else if (number == 6)
		galInUse = g6Images;
	else if (number == 7)
		galInUse = g7Images;
	else if (number == 8)
		galInUse = g8Images;
	else if (number == 9)
		galInUse = g9Images;
	else if (number == 10)
		galInUse = g10Images;
}

function doc(element){
	return document.getElementById(element);
}