// <source lang="javascript">

if (getParamValue("addarticle") != "" || getParamValue("duplicate") != "") $(document).ready(function () {

  var temp = "\{\{universal replace\|" + getParamValue("addarticle") + "|" + getParamValue("duplicate") + "\}\}";
  document.editform.wpTextbox1.value = document.editform.wpTextbox1.value + temp;
  document.editform.wpSummary.value = temp;

});

// </source>