I think I have Bronchitis?

Obviously I need to go to the DOC, but since it is 3:40 am, Ima hafta wait:) Just curious because I have been coughing up brownish rusty like phlegm. Could this be a sign of something other than the influenza, which I've had for like 5 days? Could it be Bronchitis? I have only had it once and it was so long ago I don't really remember the symptoms. I just know it sucked. And I just want to sleep...