function toggleMenu(pressed)
{
	var vocimenu = 9;
	for (i=1; i<=vocimenu; i++)
	{
    if (document.getElementById('submenu' + i)) {
      document.getElementById('submenu' + i).className = 'invisible';
    }
  	document.getElementById('mainmenu' + i).className = 'white';
	}
	document.getElementById('mainmenu' + pressed).className = 'fucsia';
	document.getElementById('submenu' + pressed).className = 'visible';
}

function SetCookie(cookieName,cookieValue,nDays) {
   var today = new Date();
   var expire = new Date();
   if (nDays==null || nDays==0) nDays=1;
   expire.setTime(today.getTime() + 3600000*24*nDays);
   document.cookie = cookieName+"="+escape(cookieValue)
                   + ";expires="+expire.toGMTString();
}
function ReadCookie(cookieName) {
  var theCookie=""+document.cookie;
  var ind=theCookie.indexOf('cookname');
  if (ind==-1 || cookieName=="") return "";
  var ind1=theCookie.indexOf(';',ind);
  if (ind1==-1) ind1=theCookie.length;
  return unescape(theCookie.substring(ind+cookieName.length+1,ind1));
}

function leggiCookieStato(){
  return ReadCookie('cookname');
}
function settaCookieStatoOff(){
  SetCookie('cookname', '0', 1);
  //alert(leggiCookieStato());
}