function openLightview(url,closeButton,width,height)
{
  if(width != null && height != null)
  {
    Lightview.show(
     {
       href: url,
       rel: 'iframe',
       options: {
         closeButton: closeButton,
         width: width,
         height: height
        }
     });
   }
   else
   {
    Lightview.show(
     {
       href: url,
       rel: 'iframe',
         options: {
         autosize: true,
         closeButton: closeButton
        }  
     });
   }   
}

document.observe('lightview:opened', function(event) {
  Lightview.updateViews();
});