function calc(kawase01){

	if (kawase01.todayy.value !=""){	

	ttb = parseInt(kawase01.todayy.value,10) + 1;

	tts01 = parseInt(kawase01.fdayy.value,10) - 3;
	tts02 = parseInt(kawase01.fdayy.value,10) - 1;

	btotal = parseInt(kawase01.sendd.value,10) * ttb ;

	ta = Math.round(parseInt(kawase01.sendd.value,10) * tts02);
	tc = Math.round(parseInt(kawase01.sendd.value,10) * tts01);

	kawase01.getta.value = ta;
	kawase01.gettc.value = tc;

	kawase01.getsa.value = ta - btotal;
	kawase01.getsc.value = tc - btotal;





	}
}