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;

}

function setFontSize(size) 
{
	var body = document.getElementsByTagName('body')[0];
	if (size == '1') {
		body.setAttribute("class", "bodyFontSmall");
		body.setAttribute("className", "bodyFontSmall");
	}
	if (size == '2'){
		body.setAttribute("class", "bodyFontDefault");
		body.setAttribute("className", "bodyFontDefault");
	}
	if (size == '4') {
		body.setAttribute("class", "bodyFontBig");
		body.setAttribute("className", "bodyFontBig");
	}
	
	createCookie('TuoSitoFontSize',size,365);
}