function popupimage(imgName)
{
	var querystring = 'popup.html?img=' + imgName;
	window.open(querystring ,'Popup','width=400,height=299,toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0');
}

function showImg(imgSrc)
{
	var imageName = getImageName(imgSrc);
	document.write('<img src="images/gallery/' + imageName + '"/>');
}

function getImageName(imgSrc)
{
	var imageName = imgSrc.substring(imgSrc.lastIndexOf('=')+1,imgSrc.length);
	return imageName;
}