_mf_tag = {
  "init": function() {
    var id = 'mf_div';
    var div = this.create_element(document, ['div', 'id', id]);
    if (div) {
      div.style.display = "none";
      var body = document.getElementsByTagName('body')[0].firstChild;
      if(body) body.parentNode.insertBefore(div, body);     
      var mf_query_string = this.find_our_tag();
      var bt_query_string = mf_query_string;
      if (mf_query_string.length > 0) {
        mf_query_string = "&" + mf_query_string;
        bt_query_string = "?" + bt_query_string;
      }
      var iframe = '<' + 'iframe src="//tags.mediaforge.com/pix/400?type=pos' + mf_query_string + '" width="0" height="0"></iframe>';
      this.inner_html(id, iframe);
      var bt_script = document.createElement('script');
      if (bt_script) {
        bt_script.setAttribute('type', 'text/javascript');
        bt_script.src = "//tags.mediaforge.com/js/1250" + bt_query_string;
        if (body) body.parentNode.insertBefore(bt_script, body);
      }        
      if (bt_query_string.indexOf('orderNumber') != -1) {
        var fb_script = document.createElement('script');
        if (fb_script) {
          fb_script.setAttribute('type', 'text/javascript');
          fb_script.src = "//tags.mediaforge.com/js/1178" + bt_query_string;
          if (body) body.parentNode.insertBefore(fb_script, body);
        }
      }
      this.set_timeout(3000);
    }
  },
  "create_element": function(doc, def, parent) {
    var el = null;
    if(typeof doc.createElementNS != "undefined")
    el = doc.createElementNS('http://www.w3.org/1999/xhtml', def[0]);
    else if(typeof doc.createElement != "undefined")
    el = doc.createElement(def[0]);
    if (!el) return false;
    for(var i = 1; i < def.length; i++)
    el.setAttribute(def[i++], def[i]);
    if (parent) parent.appendChild(el);
    return el;
  },
  "set_timeout": function(t) {
    this.timeout = setTimeout('timeout_mf()', t ? t : 3000);
  },
  "inner_html": function(id, html) {
    document.getElementById(id).innerHTML = html;
  },
  "find_our_tag": function() {
    var query_string = "";
    var scripts = document.getElementsByTagName('script');
    for (var script_index = 0; script_index < scripts.length; script_index++) {
      script_name = scripts[script_index].src;
      if (script_name.indexOf("tags.mediaforge.com") != -1) {
        var index = script_name.indexOf("?");
        if (index > -1) {
          query_string = script_name.substr(index + 1);
          break;
        }
      }
    }
    return query_string;
  }
};

function timeout_mf() {
  var t = _mf_tag.timeout;
  // if(t) _mf_tag.inner_html('mf_div', '');
}

_mf_tag.init();