Untitled

<!DOCTYPE html>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<script>
  function openGoodWill() {

    var newWindow;
    newWindow = window.open('https://www.shopgoodwill.com/SignIn');
    newWindow.onload = function(){
    window.document.getElementById('Username').value = 'exampleInputEmail1';
    window.document.getElementById('Password').value = 'exampleInputPassword1';
    window.document.getElementById('login-submit').dispatchEvent(new MouseEvent("click"));
}
  }
</script>
<body>
<form>
  <div class="form-group">
    <label for="exampleInputEmail1">Email address</label>
    <input type="text" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp" placeholder="Enter email">
    <small id="emailHelp" class="form-text text-muted">We'll never share your email with anyone else.</small>
  </div>
  <div class="form-group">
    <label for="exampleInputPassword1">Password</label>
    <input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password">
  </div>
  <button onclick="openGoodWill()" type="submit" class="btn btn-primary">Submit</button>
</form>
</body>