function altro() 
  { 
	  if( 
	  ((navigator.appName.indexOf("Netscape",0)>=0) && (parseInt(navigator.appVersion)>=5)) || ((navigator.appName.indexOf("Microsoft",0)>=0) && (parseInt(navigator.appVersion)>=4)) ) 
		document.write('<a href="#" onMouseOver="viewAT()" onMouseOut="tonoviewAT()">Altro</a>'); 
  }
  function tonoviewAT() { 
  	setTimeout("noviewAT()",2000); 
  }
  function viewAT() {  
  	document.getElementById('ray').style.visibility='visible'; 
  }
  function noviewAT() {  
	  document.getElementById('ray').style.visibility='hidden'; 
  }