rem: gHdrsList.appendChild(listitem); 
add: gHdrsList.appendChild(listitem); return listitem; 
context: function addRow(newHdr){  var listitem = document.createElement("listitem");  listitem.setAttribute("label", newHdr);  gHdrsList.appendChild(listitem);  }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/143e9d4b92c6ff4755c074c31dd30b8291c57098/CustomHeaders.js/clean/mailnews/base/search/resources/content/CustomHeaders.js