var thumbs = document.getElementById('Thumbs').childNodes;
if (thumbs.length)
{
	document.getElementById('BigPic').src = thumbs[0].title;
	for (var i = 0; i < thumbs.length; i ++)
	{
		thumbs[i].style.cursor = 'pointer';
		thumbs[i].onclick = function ()
		{
			document.getElementById('BigPic').src = this.title;
		}
	}
}