//はがきの料金計算で使用されるJavaScript

function fnLoad()
{
	fnRegist();
	fnDaibiki();
	fnWeight();
}

function fnWeight()
{
	var w;
	w = document.F1.weight.options[document.F1.weight.selectedIndex].value;
	if( w > 50 ){
		document.getElementById('ytypelabel').className='comment';
		for( i=0; i<document.F1.ytype.length; i++ ){
			if( document.F1.ytype[i].value == 3 ){
				document.F1.ytype[i].checked = true;
			}
			if( document.F1.ytype[i].value == 2 ){
				document.F1.ytype[i].disabled = true;
			}
		}
	}else{
		document.getElementById('ytypelabel').className='';
		for( i=0; i<document.F1.ytype.length; i++ ){
			if( document.F1.ytype[i].value == 2 ){
				document.F1.ytype[i].disabled = false;
			}
		}
	}
}

function fnRegist()
{
	var i;
	for( i=0; i<document.F1.regist.length; i++ ){
		if( document.F1.regist[i].value == 2 ){
			if( document.F1.regist[i].checked ){
				document.F1.scert.disabled	= false;
				document.F1.sprice.disabled = false;
				document.getElementById('scert_label').className='';
			}else{
				document.F1.scert.checked	= false;
				document.F1.scert.disabled	= true;
				document.F1.sprice.disabled = true;
				document.getElementById('scert_label').className='comment';
			}
		}else if( document.F1.regist[i].value == 3 ){
			if( document.F1.regist[i].checked ){
				document.F1.ccert.disabled	= false;
				document.F1.cprice.disabled = false;
				document.getElementById('ccert_label').className='';
			}else{
				document.F1.ccert.checked	= false;
				document.F1.ccert.disabled	= true;
				document.F1.cprice.disabled = true;
				document.getElementById('ccert_label').className='comment';
			}
		}else if( document.F1.regist[i].value == 5 ){
			if( document.F1.regist[i].checked ){
				document.F1.daibiki.checked = false;
				document.F1.daibiki.disabled = true;
				document.getElementById('daibiki_label').className='comment';
				fnDaibiki();
			}else{
				document.F1.daibiki.disabled = false;
				document.getElementById('daibiki_label').className='';
				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;
	}
}