rem: var uri = Components.classes["@mozilla.org/network/standard-url;1"].createInstance(Components.interfaces.nsIURI); uri.spec = sourceURL; return uri; 
add: return makeURL(sourceURL); 
context: function getReferrer(doc){  var focusedWindow = doc.commandDispatcher.focusedWindow;  var sourceURL = getContentFrameURI(focusedWindow);  try {    var uri = Components.classes["@mozilla.org/network/standard-url;1"].createInstance(Components.interfaces.nsIURI);    uri.spec = sourceURL;    return uri;  } catch (e) {    return null;  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/a1abf419cb9d89ba5dc3b540f558b1fcbc56fcce/contentAreaUtils.js/clean/suite/common/contentAreaUtils.js