//Position of Radio button
</td><td id="logos">
<input type="radio" name="logo_radio" value="test5.jpg" checked>test5.jpg<br>
<input type="radio" name="logo_radio" value="malvorlagenfeuerwehr04.jpg">malvorlagenfeuerwehr04.jpg<br>
</td></tr>
//Calling now window with a button:
<input name="logo_test" type="button" onclick="document.formLogo.submit();" Value="Neues Logo laden">
<form name="formLogo" enctype="multipart/form-data" action="add_logo.php" method="post" accept-charset="ISO-8859-1" target="_blank">
<input type="hidden" name="id" value="{$_POST['id']}">
<input type="hidden" name="eintrag" value="$eintrag">
</form>

<script type="text/javascript">
try {
  var newRadioButton = document.createElement("input");
  newRadioButton.setAttribute('type','radio');
  newRadioButton.setAttribute('name','logo_radio');
  newRadioButton.setAttribute('value','$file_new');
  var obj1 = window.opener.document.getElementById("logos");
  obj1.appendChild(newRadioButton);
}catch(err) {alert(err.message);}
</script>