Start stop with delay

[GolamMostafa]

@lordsmit

once the button is pressed pin 13 goes high, waits for the time delay then pin 13 goes low,
the problem I'm having ;

when the button is pushed ( PIN 13 HIGH, waits for TIMEDELAY , PIN 13 LOW ) ,

while PIN 13 is HIGH if button is pressed send PIN 13 LOW, set TIMEDELAY 0

The OP's requirement and problem are statd above.