<!--
function check() {
	if (document.forms[0].elements[0].value.length == 0) {
  	document.forms[0].elements[0].style.backgroundColor='#CCCCCC';
  } else {
  	document.forms[0].elements[0].style.backgroundColor='#FFFFFF';
	}
	if (document.forms[0].elements[1].value.length == 0) {
  	document.forms[0].elements[1].style.backgroundColor='#CCCCCC';
  } else {
  	document.forms[0].elements[1].style.backgroundColor='#FFFFFF';
	}
	if (document.forms[0].elements[2].checked != true && document.forms[0].elements[3].checked != true) {
		document.forms[0].elements[2].style.backgroundColor='#CCCCCC';
		document.forms[0].elements[3].style.backgroundColor='#CCCCCC';
	} else {
		document.forms[0].elements[2].style.backgroundColor='#FFFFFF';
		document.forms[0].elements[3].style.backgroundColor='#FFFFFF';
	}
	if (document.forms[0].elements[11].value.length == 0) {
  	document.forms[0].elements[11].style.backgroundColor='#CCCCCC';
  } else {
  	document.forms[0].elements[11].style.backgroundColor='#FFFFFF';
	}
  if(
        document.forms[0].elements[2].checked != true &&
        document.forms[0].elements[3].checked != true ||
        document.forms[0].elements[0].value.length == 0 ||
        document.forms[0].elements[1].value.length == 0 ||
        document.forms[0].elements[11].value.length == 0
  		){
		alert('必須項目(灰色)を入力してください');
		return false;
	} else {
		return true;
	}
}
//-->