//はがきの料金計算で使用されるJavaScript

function fnLoad()
{
	fnRegist();
	fnDaibiki();
}
function fnRegist()
{
	var i;
	for( i=0; i<document.F1.regist.length; i++ ){
		if( document.F1.regist[i].checked ){
			if( document.F1.regist[i].value != 2 ){
				document.F1.cert.checked = false;
				document.F1.cert.disabled = true;
				document.F1.price.disabled = true;
				document.getElementById('cert_label').className='comment';
			}else{
				document.F1.cert.disabled = false;
				document.F1.price.disabled = false;
				document.getElementById('cert_label').className='';
			}
			if( document.F1.regist[i].value == 5 ){
				document.F1.daibiki.checked = false;
				document.F1.daibiki.disabled = true;
				fnDaibiki();
			}else{
				document.F1.daibiki.disabled = false;
				fnDaibiki();
			}
		}
	}
}

function fnDaibiki()
{
	if( document.F1.daibiki.checked ){
		document.F1.dprice.disabled = false;
		document.F1.dsend.disabled = false;
		document.F1.dtax.disabled = false;
	}else{
		document.F1.dprice.disabled = true;
		document.F1.dsend.disabled = true;
		document.F1.dtax.disabled = true;
	}
}