function setCookie(name,value,days) {
  if(days >= 1000){
    var expires = "; expires=Thu, 1-Jan-2030 00:00:00 GMT";
    }
  else 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 getCookie(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;
  }

var size    = getCookie("size");
var bright  = getCookie("bright");
var c_blind = getCookie("c_blind");
var print   = getCookie("print");