// function used by property/_detail.tpl to display image zooms
function zoompic(pos)
	{
	updatepic(pos);
		
	if (zoom[pos])
		{
		$image = new Image;
		$image.src = zoom[pos];
		$('zoompicture').src = zoom[pos];
		$('zoompicture').width = zoomsize[pos];
		$('zoomcaption').innerHTML = caption[pos];
		Element.hide($('picturelayer'));
		if ($('maplayer'))
			{
			Element.hide($('maplayer'));
			}
		Element.show($('zoomlayer'));
		}
	}

function zoomcurrent()
	{
	zoompic(currentpic);
	}

function unzoom()
	{
	Element.hide($('zoomlayer'));
	if ($('maplayer'))
		{
		Element.hide($('maplayer'));
		}
	Element.show($('picturelayer'));
	}