Stop Watch

Step 1: Set the times (can be a fraction, for example 0.1 min is 6 sec)
Green Light (in min)
Yellow Light (in min)
Red Light (in min)

Step 2:Press the button:

Note: This file uses JavaScript functions that have not been implemented by all browsers. For example on Mac and UNIX systems the label of the button does not change from "Start" to "Stop".

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