function checkall(all, sportafl, sportathletics, sportbaseball, sportbasketball, sportbowls, sportboxing, sportcommonwealth, sportcricket, sportcycling, sportf1motorsport, sportgolf, sporthorseracing, sportmotorcycling, sportnetball, sportolympics, sportnrl, sportrugbyunion, sportsnooker, sportsoccer, sportswimming, sporttennis, sportv8supercars, sportyachting) 
{
	  sportafl.checked=1;
	  sportathletics.checked=1;
	  sportbaseball.checked=1;
	  sportbasketball.checked=1;
	  sportbowls.checked=1;
	  sportboxing.checked=1;
	  sportcommonwealth.checked=1;
	  sportcricket.checked=1;
	  sportcycling.checked=1;
	  sportf1motorsport.checked=1;
	  sportgolf.checked=1;
	  sporthorseracing.checked=1;
	  sportmotorcycling.checked=1;
	  sportnetball.checked=1;
	  sportolympics.checked=1;
	  sportnrl.checked=1;
	  sportrugbyunion.checked=1;
	  sportsnooker.checked=1;
	  sportsoccer.checked=1;
	  sportswimming.checked=1;
	  sporttennis.checked=1;
	  sportv8supercars.checked=1;
	  sportyachting.checked=1;
	  allselected=1;
  }