var gallery = new Array();
var gray = new Array();
var large = new Array();

function changeImage(id, large, gray)
{
	largeImg = document.getElementById('large');
	smallImg = document.getElementById('small'+id);
	largeImg.src = large;
	for (var i=0; i<gallery.length; i++)
		document.getElementById('small'+i).src = gallery[i].src;
	smallImg.src = gray;	
}