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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ed707504b78d543bdeec11e9eb5fd2337259612c/navigator.js/buggy/suite/browser/navigator.js