New tab not staying selected

[Disco_Stu]

The settings are as follows:

Active: Yes
Product: vBulletin
Title: Services
Target URL: I set this to my new page which it opens ok
Display Order: 50
Show Permission Name: I leave this as blank
Append Tabid to URL: No
Tab Scripts: This is blank

Try it yourself. Add a new tab to open a new page then start up your site on one of your existing pages , then click to the new page tab and see if it stays selected and highlighted