function fontsizeup() {
  active = getActiveStyleSheet();
  switch (active) {
    case 'A-' : 
      setActiveStyleSheet('A+');
      break;
    case 'A+' : 
      break;
    default :
      setActiveStyleSheet('A-');
      break;
  }
}

function fontsizedown() {
  active = getActiveStyleSheet();
  switch (active) {
    case 'A+' : 
      setActiveStyleSheet('A-');
      break;
    case 'A-' : 
      break;
    default :
      setActiveStyleSheet('A-');
      break;
  }
}

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() {
  return ('A-');
}

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("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
if (title == 'null') {
  title = getPreferredStyleSheet();
}

setActiveStyleSheet(title);

function intercetta() {
    for (var i=0; i<document.links.length; i++)
        if (document.links[i].className=="blank") {
            document.links[i].target="_blank";
        }
}
window.onload = intercetta;

function popup(url) {
	var newwindow=window.open(url,'','width=680,height=600,resizable');
	if (window.focus) {newwindow.focus()}
	return false;	
}
function winOpen(url)
{
  p_resize = "no";

  p_w = 1014;
  p_x = (screen.width - p_w -10) / 2;
  p_h = 702;
  p_y = ((screen.height -65) -p_h) / 2;
  if (p_y < 0)
  p_y = 0;
    
  win = window.open(url, "Macrocasa","toolbar=no,left=" + p_x + ",top=" + p_y + ",width=" + p_w + ",height=" + p_h + ",directories=no,status=no,scrollbars=no,resizable=" + p_resize + ",menubar=no,location=no,copyhistory=no");
  if (window.focus) {win.focus()}
  return false;	
}