Opera 9.63 и Mosets Tree - Mosets Tree

Javascript URL thread: "javascript:addAtt();"
Error:
name: ReferenceError
message: Statement on line 1: Undefined variable: gebid
Backtrace:
  Line 1 of eval script : In function addAtt
    function addAtt(){if((attCount+jQuery('li input[@type=checkbox][@checked]').length)<=maxAtt){var newLi=document.createElement("LI");newLi.id="att"+attNextId;newLi.style.marginRight="5px";newLi.style.position="relative";newLi.style.left="17px";var newFile=document.createElement("INPUT");newFile.className="text_area";newFile.name="image[]";newFile.type="file";newFile.size="28";newLi.appendChild(newFile);var newLink=document.createElement("A");newLink.href="javascript:remAtt("+attNextId+")";removeText=document.createTextNode(txtRemove);newLink.appendChild(removeText);newLi.appendChild(newLink);gebid('upload_att').appendChild(newLi);attCount++;attNextId++}enforceImageLimit()}
  Line 1 of unknown script 
    addAtt();
stacktrace: n/a; see 'opera:config#UserPrefs|Exceptions Have Stacktrace'

Event thread: click
Error:
name: ReferenceError
message: Statement on line 1: Undefined variable: togglemc
Backtrace:
  Line 1 of function script 
    javascript:togglemc();return false;
  ...
stacktrace: n/a; see 'opera:config#UserPrefs|Exceptions Have Stacktrace'