// Flips the images
function flipImage(img, imgfile)
{
	img.src = imgfile.src;
}

// pop-up window to hold a low-res image
function popup(imagefile, width, height) {
  var features = "directories=no,location=no,menubar=no,resizable=yes,scrollbars=no,toolbar=no,status=no,width="+width+",height="+height;
  var url = "/educatorspage/terracetown/imageviewer.php?imagefile="+imagefile;
  open(url, "imageviewer", features).focus();
}