function errorcheck1(form1){
var errorMSG = "";
if (form1.f_name.value == "" ){errorMSG = errorMSG + "\n　お名前を入力してください";}
if (form1.f_tel.value == "" ){errorMSG = errorMSG + "\n　ご連絡先電話番号を入力してください";}
if (form1.f_mail.value == ""){errorMSG = errorMSG + "\n　メールアドレスを入力して下さい";}else{
if(!checkmail(form1.f_mail)){errorMSG = errorMSG + "\n　メールアドレスの書式が違います";}}
if (errorMSG != ""){return pop(errorMSG);} else{
form1.action = "/reserve/";
form1.target = "_self";
form1.method = "post";
form1.submit();
event.returnValue = true;
}
}

function errorcheck2(form1){
var errorMSG = "";
if (form1.f_name.value == "" ){errorMSG = errorMSG + "\n　お名前を入力してください";}
if (form1.f_message.value == "" ){errorMSG = errorMSG + "\n　投稿内容を入力してください";}
if (errorMSG != ""){return pop(errorMSG);} else{
form1.action = "/board/write.php";
form1.target = "_self";
form1.method = "post";
form1.submit();
event.returnValue = true;
}
}

function errorcheck3(form1){
var errorMSG = "";
if (form1.f_name.value == "" ){errorMSG = errorMSG + "\n　お名前を入力してください";}
if (form1.f_message.value == "" ){errorMSG = errorMSG + "\n　投稿内容を入力してください";}
if (errorMSG != ""){return pop(errorMSG);} else{
form1.action = "/board/preview.php";
form1.target = "_self";
form1.method = "post";
form1.submit();
event.returnValue = true;
}
}

function errorcheck4(form1){
var errorMSG = "";
if (form1.f_name.value == "" ){errorMSG = errorMSG + "\n　お名前を入力してください";}
if (form1.f_mail.value == ""){errorMSG = errorMSG + "\n　メールアドレスを入力して下さい";}else{
if(!checkmail(form1.f_mail)){errorMSG = errorMSG + "\n　メールアドレスの書式が違います";}}
if (form1.f_message.value == "" ){errorMSG = errorMSG + "\n　お問い合せ内容を入力してください";}
if (errorMSG != ""){return pop(errorMSG);} else{
form1.action = "/contact/";
form1.target = "_self";
form1.method = "post";
form1.submit();
event.returnValue = true;
}
}

function pop( errorMSG ){
alert("入力エラーがあります\n" + errorMSG );
event.returnValue = false;
return false;
}

function checkmail(obj) {
var value = obj.value;
var del = value.indexOf('@');
retval = (del>0 && (value.length-del)>1 && value.substring(del+1).indexOf('@')==-1);
if(retval == false){ return false; }
return true;
}