Hic! Had a beer or three? Or maybe a half bottle of paraffin and turps? Whatever your poison, try this reflex test before you jump in the car. It could save you a lot of hassle with the local constabulararar...constabularara.....Cops!
Click on "Start" first, and wait until the background colour changes. As soon as it changes, hit "stop!"
Keep trying until that alcohol is out of your system. (Be warned - you could be here all night)