#quick_reply {
 display: none;
 }

$(function() {
 $('#quick_reply').before('<div
 style="text-align: center;"><input onclick="qr_cookie();"
value="Toggle Quick Reply" style="text-align: center;"
type="button"></div>
 ');
 
 if (my_getcookie('quick_reply')) {
 document.getElementById('quick_reply').style.display = my_getcookie('quick_reply');
 }
 
 });
 
 
 function qr_cookie() {
 if (document.getElementById('quick_reply').style.display != 'block') {
 document.getElementById('quick_reply').style.display = "block";
 var a = document.getElementById('quick_reply').style.display;
 my_setcookie('quick_reply', a, false);
 } else {
 document.getElementById('quick_reply').style.display = "none";
 var a = document.getElementById('quick_reply').style.display;
 my_setcookie('quick_reply', a, false);
 }
 }