function delete_profile_avatar( mingle_url, user_id )
{
  if(confirm("Are you sure you want to delete your avatar?"))
  {
    jQuery.ajax( {
      type: "POST",
      url: mingle_url,
      data: "controller=profile&action=delete_avatar&user_id=" + user_id,
      success: function(html) {
        jQuery('#mngl-avatar-edit-display').replaceWith(html);
      }
    });
  }
}