function fontsizeup() {
  active = getActiveStyleSheet();
  switch (active) {
    case 'Smaller' : 
      setActiveStyleSheet('Small');
      break;
    case 'Small' : 
      setActiveStyleSheet('Default');
      break;
    case 'Default' : 
      setActiveStyleSheet('Large');
      break;
    case 'Large' : 
      setActiveStyleSheet('Larger');
      break;
    case 'Larger' : 
      setActiveStyleSheet('Largest');
      break;
    case 'Largest' :
      break;
    default :
      setActiveStyleSheet('Default');
      break;
  }
}

function fontsizedown() {
  active = getActiveStyleSheet();
  switch (active) {
    case 'Largest' : 
      setActiveStyleSheet('Larger');
      break;
    case 'Larger' : 
      setActiveStyleSheet('Large');
      break;
    case 'Large' : 
      setActiveStyleSheet('Default');
      break;
    case 'Default' : 
      setActiveStyleSheet('Small');
      break;
    case 'Small' : 
      setActiveStyleSheet('Smaller');
      break;
    case 'Smaller' : 
       break;
    default :
      setActiveStyleSheet('Default');
      break;
  }
}

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

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

function getPreferredStyleSheet() {
  return ('Default');
}

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;
}

// reuse these cookie functions for survey popup and set a variable here to ensure that  survey code in editorial isn't triggered before next live build
var startsurvey = true;


function initFontScaler() {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
if (title == 'null') {
  title = getPreferredStyleSheet();
}



setActiveStyleSheet(title);


function createControls() {
if (document.getElementsByTagName) {
    document.write('<form action="" method="get" id="textSizer" name="font_select">');
    document.write('<h2><img alt="Change text size" height="11" width="123" src="/static/images/common/furniture/change_text_size.gif"/></h2>');
    document.write('<div>');
    document.write('<input alt="Increase font size" style="width: 56px; height: 23px" onclick="javascript:fontsizeup(); return false;" src="/static/images/common/furniture/text_plus.gif" type="image"/>');
    document.write('<input alt="Decrease font size" style="width: 56px; height: 23px" onclick="javascript:fontsizedown(); return false;" src="/static/images/common/furniture/text_minus.gif" type="image"/>');
    document.write('</div>');
    document.write('</form>');
    }
}