function open_win(url_add)
   {
   window.open(url_add,'Dettaglio','width=500,height=500,menubar=no,status=no,location=no,toolbar=no,scrollbars=no');
   }


function settatarget(){
	   $$('a[class^=linkesterno]').each(function(el){
	      el.setProperty('target','_blank');
	   })
	  }

	 window.addEvent('load', function(){
	    settatarget();
	  });