// JavaScript Document
var selected = 1;

function NextPic()
{
	if((selected + 1) > maxNum)
		ChangePic(1)
	else
		ChangePic(selected + 1);
}

function PrevPic()
{

	if((selected - 1) == 0)
		ChangePic(maxNum)
	else
		ChangePic(selected - 1);
}

function ChangePic(number)
{
	if(selected != number)
	{
		ResetSelected(selected);
		selected = number;
		SetMainImage(selected);
	}
}

function ResetSelected(num)
{

	var img = document.getElementById("thumb_" + num);
	img.src = imgDirectory + num + "_thumb.jpg";
	img.style.border = "1px solid #D4D4D4";
}

function SetMainImage(num)
{
	var img = document.getElementById("thumb_" + num);
	img.src = imgDirectory + num + "_thumb_selected.jpg";
	img.style.border = "solid 1px #B4C6D9";
	var mainImg = document.getElementById("main_pic");
	mainImg.src = imgDirectory + num + ".jpg";
}

function LoadImages()
{
	index = 1;
	for(index; index <= maxNum; index++)
	{
		Image1= new Image()
		Image1.src = imgDirectory + index + "_thumb.jpg";

		Image2 = new Image()
		Image2.src = imgDirectory + index + "_thumb_selected.jpg";

		Image3 = new Image();
		Image3.src = imgDirectory + index + ".jpg";

	}
}