function tscore (form) {
	var Balls  = parseInt(form.moonrocks.value);
	var Position = parseInt(form.emptycells.value);
	var Penalty  = parseInt(form.penalty.value);
	var Total = Balls + Position - Penalty;
	if(Total < 0) {
		form.tscore.value = 0;
	}else{
		form.tscore.value = Total;
	}
}

function mscores (form) {
	var rScore  = parseInt(form.mredscore.value);
	var rBonus = parseInt(form.mredbns.value);
	var rPenalty = parseInt(form.mredpen.value);
	var bScore = parseInt(form.mbluescore.value);
	var bBonus  = parseInt(form.mbluebns.value);
	var bPenalty  = parseInt(form.mbluepen.value);

	var rFinal = rScore + rBonus - rPenalty;
	var bFinal = bScore + bBonus - bPenalty;

	if(rFinal < 0) {
		form.mredfnl.value = 0;
	}else{
		form.mredfnl.value = rScore;
	}
	if(bFinal < 0) {
		form.mbluefnl.value = 0;
	}else{
		form.mbluefnl.value = bFinal;
	}
}