function setGalleryImg(imageName) {
	document.mainImage.src = imageName;
}

function openWin() { 

  var fn2;	
  var fn = document.mainImage.src;
  //alert(fn);
  fn2 = fn.replace('med99', 'lg99');
  //alert(fn2);
  window.open(fn2,'Enlarged','width=760,height=570,no,yes');
}

//-->