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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(){
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){
var expires;
if(days){
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
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('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();
setActiveStyleSheet(title); |
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