function setActiveSiteStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      if(a.getAttribute("title").indexOf("site") != 1) a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}
function setActiveWidthStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      if(a.getAttribute("title").indexOf("width") != 1) a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}
function setActiveFontStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      if(a.getAttribute("title").indexOf("font") != 1) a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveSiteStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled && a.getAttribute("title").indexOf("site") != -1) return a.getAttribute("title");
  }
  return null;
}
function getActiveFontStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled && a.getAttribute("title").indexOf("font") != -1) return a.getAttribute("title");
  }
  return null;
}
function getActiveWidthStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled && a.getAttribute("title").indexOf("width") != -1) return a.getAttribute("title");
  }
  return null;
}

function getPreferredSiteStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       && a.getAttribute("title").indexOf("site") != -1
       ) return a.getAttribute("title");
  }
  return null;
}
function getPreferredFontStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       && a.getAttribute("title").indexOf("font") != -1
       ) return a.getAttribute("title");
  }
  return null;
}
function getPreferredWidthStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       && a.getAttribute("title").indexOf("width") != -1
       ) return a.getAttribute("title");
  }
  return null;
}

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;
}

window.onload = function(e) {
  var cookie = readCookie("sitestyle");
  var title = cookie ? cookie : getPreferredSiteStyleSheet();
  setActiveSiteStyleSheet(title);
  if(title.indexOf('nuts') != -1) {
    document.getElementById('style_site').innerHTML = 'nuts'
  }
  var cookie = readCookie("fontstyle");
  var title = cookie ? cookie : getPreferredFontStyleSheet();
  setActiveFontStyleSheet(title);
  if(title.indexOf('sans') != -1) {
    document.getElementById('style_font_first').innerHTML = 'A'
    document.getElementById('style_font_second').innerHTML = 'a'
  }
  var cookie = readCookie("widthstyle");
  var title = cookie ? cookie : getPreferredWidthStyleSheet();
  setActiveWidthStyleSheet(title);
  if(title.indexOf('flexy') != -1) {
    document.getElementById('style_width').innerHTML = 'flexy'
  }
}

window.onunload = function(e) {
  if (stuffset == true) {
    var title = getActiveSiteStyleSheet();
    createCookie("sitestyle", title, 365);
    title = getActiveFontStyleSheet();
    createCookie("fontstyle", title, 365);
    title = getActiveWidthStyleSheet();
    createCookie("widthstyle", title, 365);
  }
}

var stuffset = false
var cookie = readCookie("sitestyle");
var title = cookie ? cookie : getPreferredSiteStyleSheet();
setActiveSiteStyleSheet(title);
var cookie = readCookie("fontstyle");
var title = cookie ? cookie : getPreferredFontStyleSheet();
setActiveFontStyleSheet(title);
var cookie = readCookie("widthstyle");
var title = cookie ? cookie : getPreferredFontStyleSheet();
setActiveFontStyleSheet(title);

function swapstyle(thing) {
  stuffset = true;
  switch(thing){
    case 'font':
      if(document.getElementById('style_font_first').innerHTML == 'a'){
        document.getElementById('style_font_first').innerHTML = 'A'
        document.getElementById('style_font_second').innerHTML = 'a'
        setActiveFontStyleSheet('font-sans')
      } else {
        document.getElementById('style_font_first').innerHTML = 'a'
        document.getElementById('style_font_second').innerHTML = 'A'
        setActiveFontStyleSheet('font-serif')
      }
      break;
    case 'site':
      if(document.getElementById('style_site').innerHTML == 'sane'){
        document.getElementById('style_site').innerHTML = 'nuts'
        setActiveSiteStyleSheet('site-nuts')
      } else {
        document.getElementById('style_site').innerHTML = 'sane'
        setActiveSiteStyleSheet('site-sane')
      } 
      break;
    case 'width':
      if(document.getElementById('style_width').innerHTML == 'fixed'){
        document.getElementById('style_width').innerHTML = 'flexy'
        setActiveWidthStyleSheet('width-flexy')
      } else {
        document.getElementById('style_width').innerHTML = 'fixed'
        setActiveWidthStyleSheet('width-fixed')
      } 
      break;
    
  }
}