var gallery = new function ()
{
	var direction = 0;
	this.start = function()
	{
		window.onload = function ()
		{
			var bilderlinks = document.getElementById('thumbs').getElementsByTagName('a');
			var summe = bilderlinks.length;
			var img = document.getElementById('big');
			for (var i = 0; i < summe; i++)
			{
				bilderlinks[i].ind = i;
				bilderlinks[i].onclick = function()
				{
					direction = this.ind;
					img.style.opacity = '0.5';
					img.src = this.href;
					return false;
				}
			}
			img.onload = function()
			{
				img.style.opacity = '1';
			}
		}
	}
}
gallery.start();