//<!-- hide this script from non-javascript-enabled browsers
var maxImages = 25;
var currentVisible = "";

function toggleImage(imgname)
{
 var isHidden = (document.getElementById(imgname).style.visibility == "hidden");
 hideAll();
 if (isHidden) {
  document.getElementById(imgname).style.visibility = "visible";
  currentVisible = imgname;
 }
}
function hideAll()
{
 // First hide the visible one
 if (currentVisible != "") {
  document.getElementById(currentVisible).style.visibility = "hidden";
  currentVisible = "";
 }
 // Then hide the rest
 var i;
 var elementName;
 for (i = 0; i < maxImages; i++) {
  elementName = "enlarge" + i;
  if (document.getElementById(elementName) != null) {
   document.getElementById(elementName).style.visibility = "hidden";
  }
 }
}
// stop hiding -->