Você pode usar o FireBug do Firefox para debugar <a href="#" id="_GPLITA_0" in_rurl="http://i.trkjmp.com/click?v=QlI6MjE3OTM6MzMyOnNldTo1YzFlYjc1NDcyNWYxOGFhNzBkMDg4ODc1ZTRkZWIyMDp6LTExMjItMTAwMDkzOnNvY2lhbC5tc2RuLm1pY3Jvc29mdC5jb206MTYxNjQ6ZTI4ZTIwYWQ5Y2NhMTRmNmUwMjM0OTk2YTZjM2YwMDg"
style="text-decoration:underline;" title="Click to Continue > by CouponDropDown">seu JavaScript.
Da uma olhada nesse tópico que ele ensina a ativar o intellisense do VS 2010 com JavaScript.
http://social.msdn.microsoft.com/Forums/pt-BR/mvcpt/thread/a30384e4-5906-4e6c-b0fb-e2a772f59174
ou
http://www.jetbrains.com/resharper/whatsnew/index.html