rem: getWebNavigation().reload(nsIWebNavigation.LOAD_FLAGS_NONE); 
add: try { getWebNavigation().reload(nsIWebNavigation.LOAD_FLAGS_NONE); } catch(ex) { } 
context: function BrowserSetDefaultCharacterSet(aCharset){  getMarkupDocumentViewer().defaultCharacterSet = aCharset;  getWebNavigation().reload(nsIWebNavigation.LOAD_FLAGS_NONE);}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/a7fd382c2900a5551cc1a790107cedd909bd951a/navigator.js/buggy/suite/browser/navigator.js