function setCookie(c_name,value,expiredays)
{
    var exdate=new Date()
    exdate.setDate(exdate.getDate()+expiredays)
    document.cookie=c_name+ "=" +escape(value)+
    ((expiredays==null) ? "" : ";expires="+exdate.toGMTString()) + "; path=/"
}

function validatefields()　{
	if (document.requestform.email.value == "") {
		alert('Please ensure a valid email address has been entered.');
		return false;
	} if ((document.requestform.email.value.indexOf ('@',0) == -1 ||
	  document.requestform.email.value.indexOf ('.',0) == -1) &&
	  document.requestform.email.value != "") {
		alert('Please ensure a valid email address has been entered.');
		return false;
	}
	return true;
}

function ja_validatefields()　{
	if (document.requestform.email.value == "") {
		alert('メールアドレスが未入力です');
		return false;
	} if ((document.requestform.email.value.indexOf ('@',0) == -1 ||
	  document.requestform.email.value.indexOf ('.',0) == -1) &&
	  document.requestform.email.value != "") {
		alert('メールアドレスが未入力です');
		return false;
	}
	return true;
}