function swapImage(obj, imgsrc)
{
	var allrows = document.getElementById('contain-screenshots').getElementsByTagName('SPAN');
	for(var i = 0; i < allrows.length; i++)
	{
		allrows[i].className = allrows[i].className.replace(/\-active/, '');
	}
	obj.parentNode.className = 'screenshot-label-active';
	document.getElementById('screenshot').src = 'images/portfolio/' + imgsrc;
	currimg = imgsrc;
}

function showLarge()
{
	var currimg = document.getElementById('screenshot').src;
	var popwin = window.open('portfolio_image.php?imgsrc='+currimg, 'popwin', 'width=400, height=300, status=0, scrollbars=0, toolbar=0, location=0, directories=0, resizable=0');
}