Gee, you mean it’s not legal to do this?

A Simple Click Stirs a Lot of Outrage

The State Department site, it turns out, had been providing a link to a Web site run by the Republican National Committee despite federal laws prohibiting government resources from being used for partisan purposes.

Accident by unknowing staff (funny how every organization keeps a couple of these folks around) or wilful flouting of the law? You make the call.