if can make this happen....then how do i call the main function ---> function name() followed by function age() ?? i try this<head><script type="text/javascript">function watchtree(a,b,c,d){ winter= a+b+c-d ; function ball(winter) { return(winter) }}</script></head><body>document.write(watchtree(ball(2,2,2,2)))</body>