JS errors

[gb_dev]

Error: Date is not a constructor
Source File: http://pagead2.googlesyndication.com/pagead/show_ads.js
Line: 6

Error: Date.parse is not a function
Source File: http://pagead2.googlesyndication.com/pagead/show_ads.js
Line: 14

Anyone know why?

[fredw]

Have you removed other non-adsense javascript on the page to see if the problem goes away?