$(document).ready(function()
{
	$.address.history(1);
	$('.prodBox').data('curImg', 1);
});

var getHashVar = function(name)
{
	var value = $.address.parameter(name);
	return value;
}//getQueryVar

var setHash = function(name, value)
{
	window.location.hash = '#/?' + name + '=' + value;
}//setHash

$.address.change(function(event)
{
	var img = Number((getHashVar('img') != undefined)?(getHashVar('img')):(1));

	if($('.prodBox').data('curImg') != img && img > 0)
	{
		swapImages(img);

		$('.prodThumbA').removeClass('active');
		$('#imgA_' + img).addClass('active');
	}//if !img
});

var swapImages = function(img)
{
	var $new = $('#prodIMG').clone(true);

	$new.attr('src', $('#img_' + img).attr('filename'));
	$new.attr('index', img);
	$new.css('z-index', 0);

	$('#prodIMG').after($new);
	$('#prodIMG').fadeOut(500, afterImageSwap);
	$('#prodIMG').attr('id', 'die');
}//selectImage

var afterImageSwap = function()
{
	$(this).remove();
	$('#prodIMG').css('z-index', 50);
	$('.prodBox').data('curImg', $('#prodIMG').attr('index'));
	$('#thickLink').attr('href', $('#img_' + $('.prodBox').data('curImg')).attr('fullimage'));
}//afterImageSwap

var prevImg = function ()
{
	var prev_i = $('.prodBox').data('curImg') - 1;

	if(prev_i == 0)
	{
		window.location = WEB_ROOT + '/produtos/detalhe/p/' + $('.prodBox').attr('prev');
	}//if !prev
	else setHash('img', prev_i);
}//prevImg

var nextImg = function ()
{
	var next_i = Number($('.prodBox').data('curImg')) + 1;

	if($('#img_' + next_i).length == 0)
	{
		window.location = WEB_ROOT + '/produtos/detalhe/p/' + $('.prodBox').attr('next');
	}//if !next
	else setHash('img', next_i);
}//nextImg