function login() {
  try {

    el_target = document.querySelector('label.target')
    $.ajax(
      {
        type: "POST",
        url: location.protocol + '//' + location.host + '/login',
        data: { 'target': el_target.textContent },
        success: function(result) {
          console.log(result)
          if (!(( result['result'] === "error" ) || ( result['result'] === "fail" ))) {
            const el_1 = document.querySelector('div.page1');
            const el_2 = document.querySelector('div.page2');
            const el_3 = document.querySelector('div.page2 iframe');
            const el_0 = document.querySelector('title');
            el_0.textContent = result['title'];
  
            el_2.style.position = "absolute"; // 부모 요소를 절대 위치로 설정
            el_2.style.top = "0";
            el_2.style.left = "0";
            el_2.style.width = "100vw"; // Viewport width
            el_2.style.height = "100vh"; // Viewport height
            el_2.style.overflow = "hidden"; // 부모 요소의 오버플로우를 숨김
  
            el_3.style.position = "absolute";
            el_3.style.top = "0";
            el_3.style.left = "0";
            el_3.style.width = "100vw"; // Viewport width
            el_3.style.height = "100vh"; // Viewport height
            el_3.style.border = "none"; // 필요에 따라 경계선을 제거
            el_3.style.margin = "0"; // Remove any default margin
            el_3.style.padding = "0"; // Remove any default padding
            el_3.style.overflow = "hidden"; // Hide any overflow
  
            function resizeIframe() {
              el_3.style.width = window.innerWidth + 'px';
              el_3.style.height = window.innerHeight + 'px';
            }
  
            window.addEventListener('resize', resizeIframe);
            resizeIframe(); // 초기 실행
  
            el_1.style.display = "none";
            el_2.style.display = "block";
            el_3.src = result['result'];

          } else {
            el_label = document.querySelector('label.msg')
            el_label.textContent = "관리자 문의 필요"
          }
        },
        error: function() {
          console.log('post error')
        }
      }
    )
  } catch (error) {
      console.log(error)
  }
}


$(document).ready(function() {
  $('button.login').on('click', function() {
    login()
  })
});