taskbar color script

f1::
StartTime := A_TickCount
Sleep, 3000
ElapsedTime := A_TickCount - StartTime
MsgBox,  %ElapsedTime% milliseconds have elapsed.
Return

f2::
StartTime := A_TickCount
loop 5
	{
	msgbox, Hi
	sleep 1000
	}
ElapsedTime := A_TickCount - StartTime
MsgBox,  %ElapsedTime% milliseconds have elapsed.
Return