dialog.("disable") does not diabled all the inputs and bottons

When calling the disable method of the dialog it only chages the UI to semi-transparent. this is not what i would expect the "Disable" method to do.

I would like to have the ability to disable any inputs or buttons inside the dialog.

Consider the following example:

http://jsfiddle.net/andrewwhitaker/p7tV7/15/

Then I did the following workaround:

http://jsfiddle.net/andrewwhitaker/p7tV7/15/