Replaces the underscores in the Tebex username with spaces to allow both forms of the name.

username.html

<form method="post" id="username-form" onsubmit="return submitUsernameForm(event)">
    <div class="username">
        <div class="input-group">
            <input type="text" name="ign" class="form-control input-lg form-control-lg">
            <div class="input-group-append input-group-btn">
                <button class="btn btn-success btn-lg" type="submit">Fortfahren<i class="fa fa-chevron-right ml-2" style="margin-left:10px;"></i></button>
            </div>
        </div>
    </div>
</form>

<script>
function submitUsernameForm(event) {
  if(!$("input[name=ign]").val().includes("_")) {
    return true;
  }
  event.preventDefault();
  $("input[name=ign]").val($("input[name=ign]").val().replace(/\_/g, " "))
  $("#username-form").submit();
  return false;
}
</script>