// JavaScript Document

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 var expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
  var ca = document.cookie.split(';');
  var nameEQ = name + "=";
  for(var i=0; i < ca.length; i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1, c.length); //delete spaces
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
  return null;
}

function eraseCookie(name)
{
  createCookie(name, "", -1);
}


function changeStyle(size) {
if (size == "Default") {
document.getElementById('centerContent').style.fontSize = '12px';
eraseCookie('textsize');
}
else if (size == "Med") {
document.getElementById('centerContent').style.fontSize = '16px';
createCookie('textsize', '16px', 1);
}
else if (size == "Large") {
document.getElementById('centerContent').style.fontSize = '20px';
createCookie('textsize', '20px', 1);
}
}