how in can install Equation Editor in vbulletin?

how i can install http://www.codecogs.com/latex/eqneditor.php in vbulletin?

Hi,

I'm not an expert with VBulletin, but from a Google search they appear to use the CK Editor which we support. Therefore you simply need to find out where CK Editor is installed and follow our instructions on this page:

http://www.codecogs.com/latex/integration/ckeditor/install.php

Let us know if you have problems.

please help we install to vbulletin 4.2.2. that version use CKEditor 3x. I use Equation plugin for CKEditor 3x but have error. Button Equation in editor not work, i think have error in plugin file