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;
}
var style = (readCookie("css")) ? readCookie("css").split("_") : "blue_medium".split("_");
var colour = style[0];
var layout = style[1];
function change(obj,type) {
  value = /c\/(\w+)\.css/.exec(obj.getAttribute("href"))[1];
  if(type == "colour") colour = value;
  if(type == "layout") layout = value;
  setup();
  return false;
}
function setup() {
  createCookie("css",colour + "_" + layout,365);
  document.getElementById("cssLayout").setAttribute("href","c/" + layout + ".css");
  document.getElementById("cssColour").setAttribute("href","c/" + colour + ".css");
}
setup();