document.write('<script type="text/javascript" src="' + (isBackend?'../':'') + 'lib/js/icpictures/icpictures.js"></script>');

var currentImage = 0;

function nextImage(selector, current)
{
	images = $$(selector);
	count = images.length;
	if (count)
	{
		currentImage = (currentImage+1)%count;
		for(i=0; i<count; i++)
		{
			if (i == currentImage)
			{
				images[i].show();
			}
			else
			{
				images[i].hide();
			}
		}
		$(current).innerHTML = currentImage+1;
	}
}

function previousImage(selector, current)
{
	images = $$(selector);
	count = images.length;
	if (count)
	{
		currentImage = Math.abs((currentImage-1)%count);
		for(i=0; i<count; i++)
		{
			if (i == currentImage)
			{
				images[i].show();
			}
			else
			{
				images[i].hide();
			}
		}
		$(current).innerHTML = currentImage+1;
	}
}