function setFocusToLogin(){
        var log=document.getElementById('LOGIN');
	log.value='@magistricumacini.it';
	log.focus();
	if (log.setSelectionRange )
{
log.setSelectionRange(0,0);
}
	}
	
function readCookie(){
	var NameOfCookie="vis";
	if (document.cookie.length > 0){
		begin = document.cookie.indexOf(NameOfCookie+"=");
        if (begin != -1) {
		  begin += NameOfCookie.length+1;
          end = document.cookie.indexOf(";", begin);
          if (end == -1) end = document.cookie.length;
          return unescape(document.cookie.substring(begin, end)); }
        }
    return null; 
}

var altezza=altezza;
var larghezza=larghezza;

function aggiorna(){
 var cookie=readCookie();
 if (document.all){
	 if (cookie=="nograf"){
	  if (document.getElementById("testo").offsetHeight<window.screen.height-larghezza)
        document.getElementById("testo").style.height=window.screen.height-larghezza+"px";}
	 else{ if (document.getElementById("testo").offsetHeight<window.screen.height-altezza)
        document.getElementById("testo").style.height=window.screen.height-altezza+"px";}
 } else {
	  if (document.getElementById("testo").offsetHeight<window.screen.height-altezza)
	   document.getElementById("testo").style.height=window.screen.height-altezza+"px"
	   }	
}