add: if (timeout > 0) { clearTimeout(timeoutEvent); } 
context: function plLoadHandlerCapturing(evt) {  // make sure we pick up the right load event  if (evt.type != 'load' ||       evt.originalTarget.defaultView.frameElement)      return;  if (!(plPageFlags() & TEST_DOES_OWN_TIMING)) {    dumpLine("tp: Capturing onload handler used with page that doesn't do its own timing?");    plStop(true);  }  // set up the function for content to call  content.contentWindow.wrappedJSObject.tpRecordTime = function (time) {    plRecordTime(time);    setTimeout(plNextPage, 250);  };}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/716914ef1e20067cde1e65765cd19ba96d40a6d3/pageloader.js/buggy/layout/tools/pageloader/pageloader.js