This package contains every thing you need to add a (BAC) to your website. "Drink Wheel" is the The Intoximeters Inc. famous java code form that you can estimated blood/breath alcohol concentration ("BAC") or blood alcohol content. This simulates the breath alcohol testing done by an Intoximeter Alco-Sensor IV. The Alco-Sensor IV is used in both Law Enforcement and Workplace Testing for alcohol testing. It is presented as a public service to Intoximeters web site visitors. Its primary purpose is to provide useful information about the responsible use of alcohol.