function checkForm(  ){

    if( document.conform.name.value == "" ){
        alert( "お名前を入力してください" );
        document.conform.name.focus();
        return false;
    }
    if( document.conform.email.value == "" ){
        alert( "E-mailアドレスを入力してください" );
        document.conform.email.focus();
        return false;
    }
    if( document.conform.url.value == "" ){
        alert( "件名が空白です" );
        document.conform.url.focus();
        return false;
    }
    
    if( document.conform.mess.value == "" ){
        alert( "問い合わせ内容が空白です" );
        document.conform.mess.focus();
        return false;
    }

    return true;
}