function setActiveStyleSheetTextTitle(title) {
  var i, j, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && a.getAttribute("title").indexOf("text") > -1) {
     a.disabled = true;
      if(a.getAttribute("title") == title) {
        a.disabled = false;
        for(j=0; j < textstyles.length ; j++) {
          if(textstyles[j] == title){
            styleindex = j;
            createCookie("text-size", styleindex, 365);
          }
        }
      }  
    }
  }
}

function setActiveStyleSheetTheme(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.getAttribute("title").indexOf("theme") > -1) {
      a.disabled = true;
      if(a.getAttribute("title") == title) {
        a.disabled = false;
        createCookie("theme", title, 365);
      }  
    }
  }
}

function getActiveStyleSheetTheme() {
  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("theme") > -1) return a.getAttribute("title");}
  return"theme-standard";}

function getPreferredStyleSheetTheme() {
  return "theme-standard";}
  

function setActiveStyleSheetText(indexchange) {
  styleindex = parseInt(styleindex) + indexchange;
  if(styleindex < 0){
  	styleindex = 0;
  } else if(styleindex >= textstyles.length){
  	styleindex = textstyles.length - 1;
  }	
  
  createCookie("text-size", styleindex, 365);
  
  var title = textstyles[styleindex];
 
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && a.getAttribute("title").indexOf("text") > -1) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;}
  }
  return null;}

function getActiveStyleSheetText() {
  return styleindex;}

function getPreferredStyleSheetText() {
  return 2;} 

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 textcookie = readCookie("text-size");
  var texttitle = textcookie ? textcookie : getPreferredStyleSheetText();
  var styleindex = texttitle;
  setActiveStyleSheetText(0);
  var themecookie = readCookie("theme");
  var themetitle = themecookie ? themecookie : getPreferredStyleSheetTheme();
  setActiveStyleSheetTheme(themetitle);}

window.onunload = function(e) {
  var title = getActiveStyleSheetText();
  createCookie("text-size", title, 365);
  var title = getActiveStyleSheetTheme();
  createCookie("theme", title, 365);}


var textstyles=new Array("text-decrease2","text-decrease1","text-standard","text-increase1","text-increase2");

var textcookie = readCookie("text-size");
var texttitle = textcookie ? textcookie : getPreferredStyleSheetText();
var styleindex = texttitle;
setActiveStyleSheetText(0);

var themecookie = readCookie("theme");
var themetitle = themecookie ? themecookie : getPreferredStyleSheetTheme();
setActiveStyleSheetTheme(themetitle);