Created Unassigned: javascript error: Sys.ArgumentUndefinedException: Sys.ArgumentUndefinedException: Value cannot be undefined. Parameter name: type [27496]

Using latest July 2013 (7.0725) package from NuGet in a .NET 3.5 Website project with ToolScriptManager and ScriptMode="Debug"

There's a TabContainer with two TabPanels and an Accordion with two AccordionPanes on the page.

Stack trace:
```
Sys.ArgumentUndefinedException: Sys.ArgumentUndefinedException: Value cannot be undefined.
Parameter name: type
at Component$create (http://localhost:1111/ScriptResource.axd?d=P8-2iwKLfp1a2JEGKkjgWHXmxbVkaoRKl4tg34g-WEpzaY8A3iwyKnBAnG75SxJoXV_RQSyzvv66t2PJXrRV_4lmW5KZrm2RtzgK8tFhwdU3aaYRjX1nwuKKh_o2-SW9UJmiqQ2&t=ffffffffc0902fde.js:4620:12)
at Anonymous function (Unknown script code:2:5)
at _Application$add_init (http://localhost:1111/ScriptResource.axd?d=P8-2iwKLfp1a2JEGKkjgWHXmxbVkaoRKl4tg34g-WEpzaY8A3iwyKnBAnG75SxJoXV_RQSyzvv66t2PJXrRV_4lmW5KZrm2RtzgK8tFhwdU3aaYRjX1nwuKKh_o2-SW9UJmiqQ2&t=ffffffffc0902fde.js:5692:13)
at Global code (Unknown script code:1:1)
at _ScriptLoader$_loadScriptsInternal (http://localhost:1111/ScriptResource.axd?d=JqzXfOTGMJ1u_Ixl4X3CL0pACjTyQJXA7X_Hv55wmGmGmH8YjDo4nE_Ahxn5wRnE6Xn9UlBt6RtpDcTIGJi4PQFvuplzPfyXsltHqLHrU8Tq8wiGpiwgMEsePgCQFOvqRsFZhP3KcFlo9hLlqXCz6jJ8OQo1&t=ffffffffc0902fde.js:448:22)
at _ScriptLoader$_loadScriptsInternal (http://localhost:1111/ScriptResource.axd?d=JqzXfOTGMJ1u_Ixl4X3CL0pACjTyQJXA7X_Hv55wmGmGmH8YjDo4nE_Ahxn5wRnE6Xn9UlBt6RtpDcTIGJi4PQFvuplzPfyXsltHqLHrU8Tq8wiGpiwgMEsePgCQFOvqRsFZhP3KcFlo9hLlqXCz6jJ8OQo1&t=ffffffffc0902fde.js:453:17)
at _ScriptLoader$_loadScriptsInternal (http://localhost:1111/ScriptResource.axd?d=JqzXfOTGMJ1u_Ixl4X3CL0pACjTyQJXA7X_Hv55wmGmGmH8YjDo4nE_Ahxn5wRnE6Xn9UlBt6RtpDcTIGJi4PQFvuplzPfyXsltHqLHrU8Tq8wiGpiwgMEsePgCQFOvqRsFZhP3KcFlo9hLlqXCz6jJ8OQo1&t=ffffffffc0902fde.js:453:17)
at _ScriptLoader$_loadScriptsInternal (http://localhost:1111/ScriptResource.axd?d=JqzXfOTGMJ1u_Ixl4X3CL0pACjTyQJXA7X_Hv55wmGmGmH8YjDo4nE_Ahxn5wRnE6Xn9UlBt6RtpDcTIGJi4PQFvuplzPfyXsltHqLHrU8Tq8wiGpiwgMEsePgCQFOvqRsFZhP3KcFlo9hLlqXCz6jJ8OQo1&t=ffffffffc0902fde.js:453:17)
at _ScriptLoader$_loadScriptsInternal (http://localhost:1111/ScriptResource.axd?d=JqzXfOTGMJ1u_Ixl4X3CL0pACjTyQJXA7X_Hv55wmGmGmH8YjDo4nE_Ahxn5wRnE6Xn9UlBt6RtpDcTIGJi4PQFvuplzPfyXsltHqLHrU8Tq8wiGpiwgMEsePgCQFOvqRsFZhP3KcFlo9hLlqXCz6jJ8OQo1&t=ffffffffc0902fde.js:453:17)
at _ScriptLoader$_loadScriptsInternal (http://localhost:1111/ScriptResource.axd?d=JqzXfOTGMJ1u_Ixl4X3CL0pACjTyQJXA7X_Hv55wmGmGmH8YjDo4nE_Ahxn5wRnE6Xn9UlBt6RtpDcTIGJi4PQFvuplzPfyXsltHqLHrU8Tq8wiGpiwgMEsePgCQFOvqRsFZhP3KcFlo9hLlqXCz6jJ8OQo1&t=ffffffffc0902fde.js:453:17)
```