function createCookie(name, value, days) {
  var expires = "";
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    expires = "; expires="+date.toGMTString();
  }
  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 saveSettings() {
  var showEdited = document.getElementById("showEdited");
  var showBuggy = document.getElementById("showBuggy");
  var sortOrder = document.getElementById("sortOrder");
  
  createCookie("showEdited", ((showEdited.checked) ? "1" : "0"), 7);
  createCookie("showBuggy", ((showBuggy.checked) ? "1" : "0"), 7);
  createCookie("sortOrder", sortOrder.selectedIndex);

  // alert(readCookie("showEdited") + " and " + readCookie("showBuggy"));
}

function loadSettings() {
  var showEdited = document.getElementById("showEdited");
  var showBuggy = document.getElementById("showBuggy");
  var sortOrder = document.getElementById("sortOrder");
  
  showEdited.checked = (readCookie("showEdited") == 1);
  showBuggy.checked = (readCookie("showBuggy") == 1);
  sortOrder.selectedIndex = readCookie("sortOrder");
}