function nextimageclick()
{
	imgindex++;
	
	if (imgindex>=images.length) { imgindex=0; }
	
	document.getElementById('flipimage').src=images[imgindex].src;
}

function previmageclick()
{
	imgindex--;
	
	if (imgindex<0) { imgindex=images.length-1; }
	
	document.getElementById('flipimage').src=images[imgindex].src;
}