var bigImage = 0;
var smallLeftImage = 0;
var allImagesSize;
var thumb_list = new Array();
var mini_list = new Array();
var normal_list = new Array();

function changeBigImage(i) {
	bigImage = (smallLeftImage+i)%allImagesSize;
	document.getElementById('bigImage').src = mini_list[bigImage];
	document.getElementById('bigImageLink').href = normal_list[bigImage];
	//alert(document.getElementById('bigImageLink').href);
}

function moveLeft() {
	smallLeftImage -= 1;
	
	if(smallLeftImage < 0) smallLeftImage += allImagesSize;
	setImageSources()
}

function moveRight() {
	smallLeftImage += 1;
	smallLeftImage %= allImagesSize;
	setImageSources()
}

function setImageSources() {
	document.getElementById('smallImage1').src = thumb_list[smallLeftImage];
	document.getElementById('smallImage2').src = thumb_list[(smallLeftImage+1)%allImagesSize];	
	document.getElementById('smallImage3').src = thumb_list[(smallLeftImage+2)%allImagesSize];
}

function initSmallGallery() {
	allImagesSize = thumb_list.length;
	changeBigImage(0);
	setImageSources();
}