// -------------------------------------------------------------------
// Font Sizer
// -------------------------------------------------------------------

function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("styleside");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("styleside", title, 365);
}

var cookie = readCookie("styleside");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

// -------------------------------------------------------------------
// Puntatore e click Logo Mediobanca
// -------------------------------------------------------------------
function redirectHome(lang) {
	if (lang == "en") { window.location = "http://www.mediobanca.it/index-en.htm"; }
	else  { window.location = "http://www.mediobanca.it/index.htm"; }
}
function changeView(id) {
	var node = document.getElementById(id);
	if (node.style.display == 'none') { node.style.display = 'block'; }
	else { node.style.display = 'none'; }
}

// --------------------------------------------------------------------
// Box Investor Relation nella Home Page
// --------------------------------------------------------------------
function open_mailAlertHP(element) {
	document.getElementById('mailAlertHP').style.display = 'block';
	element.style.display = 'none';
}