var Height;	// �g��
var Waist;	// ����

var Temp;

function checkFunc(){
	Height	= document.metabolic.height.value;
	Waist	= document.metabolic.waist.value;

	Temp	= Waist / Height;
	Temp	= Math.round(Temp * 1000) / 1000;
	document.metabolic.result.value = Temp;
}