Marquee #4
This script shoots a moving missile on request from the user. Shoot any of the following missiles.



Discussion

 Unlike the previous scripts, this script is initialized from a button. When the missile has finished its flight path, no further timeouts are registered. 
if (str.length < 150) // off the screen
    {JSCTimeOutID = window.setTimeout('shootArrow()',100)}
else {str = ""} // just reset the string
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