fix all instances of old *_ERR error names to new *Error style 
diff --git a/XMLHttpRequest/open-url-multi-window-5.htm b/XMLHttpRequest/open-url-multi-window-5.htm index dc6f458..15897c4 100644 --- a/XMLHttpRequest/open-url-multi-window-5.htm +++ b/XMLHttpRequest/open-url-multi-window-5.htm 
@@ -19,7 +19,7 @@  count++  self[0].location.reload()  } else if(1 == count) { - assert_throws("INVALID_STATE_ERR", function() { client.open("GET", "...") }) + assert_throws("InvalidStateError", function() { client.open("GET", "...") })  test.done()  }  })