var mpulseTagger = function (sourceKey, soastaObj) {
  (function(){
    window.SOASTA = soastaObj;

    // Boomerang Loader Snippet version 10
    if (window.BOOMR && (window.BOOMR.version || window.BOOMR.snippetExecuted)) {
      return;
    }

    window.BOOMR = window.BOOMR || {};
    window.BOOMR.snippetExecuted = true;

    var dom, doc, where, iframe = document.createElement("iframe"), win = window;

    function boomerangSaveLoadTime(e) {
      win.BOOMR_onload = (e && e.timeStamp) || new Date().getTime();
    }

    if (win.addEventListener) {
      win.addEventListener("load", boomerangSaveLoadTime, false);
    } else if (win.attachEvent) {
      win.attachEvent("onload", boomerangSaveLoadTime);
    }

    iframe.src = "javascript:void(0)";
    iframe.title = "";
    iframe.role = "presentation";
    (iframe.frameElement || iframe).style.cssText = "width:0;height:0;border:0;display:none;";
    where = document.getElementsByTagName("script")[0];
    where.parentNode.insertBefore(iframe, where);

    try {
      doc = iframe.contentWindow.document;
    } catch (e) {
      dom = document.domain;
      iframe.src = "javascript:var d=document.open();d.domain='" + dom + "';void(0);";
      doc = iframe.contentWindow.document;
    }

    doc.open()._l = function() {
      var js = this.createElement("script");
      if (dom) {
        this.domain = dom;
      }
      js.id = "boomr-if-as";
      js.src = "https://s.go-mpulse.net/boomerang/" + sourceKey;
      BOOMR_lstart = new Date().getTime();
      this.body.appendChild(js);
    };
    doc.write('<bo' + 'dy onload="document._l();">');
    doc.close();
  })();
};