function setActiveStyleSheet(title) {
var i, a, main;
if (title) {
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() {
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'))
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;}

function eraseCookie(name) {
createCookie(name,'',-1);}

function setFontSize(fontVal) {
var fontSet = document.getElementById('fontSet');
var docBase = new Array(); docBase = document.getElementsByTagName('body');
if (!fontVal) {fontVal = document.getElementById('fontSet').value;}
var docSize = fontVal+'px';
createCookie('jet', fontVal, 365);
docBase[0].style.fontSize = docSize;
if (fontSet) {fontSet.value = fontVal;}}

window.onload = function(e) {
var cookie = readCookie('start');
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
var cookie2 = readCookie('jet');
if (cookie2) {setFontSize(cookie2);}}

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