Slight refactor in ctnr.js
Slight refactor in ctnr.js

murrown/cyder,OSU-Net/cyder,akeym/cyder,zeeman/cyder,zeeman/cyder,zeeman/cyder,OSU-Net/cyder,drkitty/cyder,akeym/cyder,murrown/cyder,drkitty/cyder,OSU-Net/cyder,akeym/cyder,drkitty/cyder,murrown/cyder,murrown/cyder,OSU-Net/cyder,zeeman/cyder,drkitty/cyder,akeym/cyder