[kh99]

Since the js runs on the client browser, it won't have access to the vb variables. But what the vb code does is it creates js variables to makes some values available. If you look in the headinclude template you'll see a section like this:

	var SESSIONURL = "{vb:raw session.sessionurl_js}";
	var SECURITYTOKEN = "{vb:raw bbuserinfo.securitytoken}";
	var IMGDIR_MISC = "{vb:stylevar imgdir_misc}";
	var IMGDIR_BUTTON = "{vb:stylevar imgdir_button}";
//etc...

If you are including your js file in a vbulletin template (or in html that's output by a vbulletin "powered" script) you can do something similar. You might be able to use $template_hook['headinclude_javascript'] to include it in the headinclude template, depending on your situation.