rem: if (window._content) 
add:  var winType = document.documentElement.getAttribute("windowtype");  if (window._content && winType == "navigator:browser") 
context: function loadXURL(key){  debug_dump("loadXURL call with " + key + "\n");      var url = xlateURL(key);  if (window._content)    window._content.location.href = url;  else    window.open(url); // on mac, there maybe no open windows: see bug 83329}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/f6690029e5a8db60e3c6c2ad8b5709f0156fd841/builtinURLs.js/buggy/suite/common/builtinURLs.js