rem: var PageLoader = getBrowser().webNavigation.QueryInterface(pageLoaderIface); 
add: var PageLoader = gBrowser.webNavigation.QueryInterface(pageLoaderIface); 
context: function highlightSyntax(){  var highlightSyntaxCmd = document.getElementById("cmd_highlightSyntax");  var highlightSyntax = highlightSyntaxCmd.getAttribute("checked") != "true";  highlightSyntaxCmd.setAttribute("checked", highlightSyntax);  gPrefs.setBoolPref("view_source.syntax_highlight", highlightSyntax);  var PageLoader = getBrowser().webNavigation.QueryInterface(pageLoaderIface);  PageLoader.LoadPage(PageLoader.currentDescriptor, pageLoaderIface.DISPLAY_NORMAL);}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/da6e9a8d37c45ff889178083a5ccd84f4c43717a/viewSource.js/buggy/toolkit/components/viewsource/content/viewSource.js