/*
http://browsershots.org/static/js/zoom.js
*/
function setZoom(img, dir, width, height, margin, zIndex, delay)
{
	setTimeout(
			function()
			{

				if (img.dir==dir)
				{
					img.style.width=width;
					img.style.height=height;
					img.style.margin=margin;
					img.style.zIndex=zIndex;

					img.parentNode.parentNode.style.zIndex=zIndex;
				}

			}
			, delay
			);

}



function larger(img, width, height)
{
	img.dir='rtl';
	now=parseInt(img.style.zIndex) ? parseInt(img.style.zIndex) : 0;
	for (i=now+1; i<=10; i++)
	{
		w=(width*(10+i))/20+'px';

		h=(height*(10+i))/20+'px';
		m=(-i)+'px 0 0 '+(-width*i/40)+'px';
		setZoom(img, 'rtl', w, h, m, i, 20*(i-now));

	}

}



function smaller(img, width, height)
{

	img.dir='ltr';
	now=parseInt(img.style.zIndex) ? parseInt(img.style.zIndex) : 0;
	for (i=now-1; i>=0; i--)
	{

		w=(width*(10+i))/20+'px';

		h=(height*(10+i))/20+'px';

		m=(-i)+'px 0 0 '+(-width*i/40)+'px';
		setZoom(img, 'ltr', w, h, m, i, 20*(now-i));

	}

}