function basename(path) {
	return path.replace(/\\/g,'/').replace( /.*\//, '' );
}
function dirname(path) {
	return path.replace(/\\/g,'/').replace(/\/[^\/]*$/, '');
}
$(document).ready(function() {
 $('img.galleryThumb').click(function(){
  url = $(this).attr('src');
  filename = basename(url);
  path = dirname(url);
  path = dirname(path);
  newURL = path +'/'+ filename;
	// alert(newURL);
  $('#galleryLarge').attr('src', newURL);
 })
});