// JavaScript Document

var photos = new Array();
photos[0] = 'images/photo1.jpg';
photos[1] = 'images/photo2.jpg';
photos[2] = 'images/photo3.jpg';
photos[3] = 'images/photo4.jpg';
photos[4] = 'images/photo5.jpg';
photos[5] = 'images/photo6.jpg';
photos[6] = 'images/photo7.jpg';

var curImage = 0;

function nextImage()
{
	curImage++;
	if (curImage >= 7)
		curImage = 0;
	
	setImage(curImage);
}

function prevImage()
{
	curImage--;
	if (curImage <= -1)
		curImage = 6;
	
	setImage(curImage);
}

function setImage(id)
{
	document.getElementById("image_source").src = photos[id];
}

function showSignGB()
{
	//var one = document.getElementById("gbdata1");
	var gbsign = document.getElementById('gbsign');
	
	if (gbsign.style.display == 'none')
	{
		gbsign.style.display = 'block';
		gbsign.focus();
	}
	else
		gbsign.style.display = 'none';
}