1 <script src="common.js"></script>
2 <h1 id="status">Page B</h1>
3 <div style="display:none" id="pageToScriptTunnel"></div>
4 <div style="display:none" id="scriptToPageTunnel"></div>
9 window.onload = function() {
11 backgroundWindow = window.open('', 'bg');
12 setStatus('background page retrieved');
13 backgroundWindow.onPageBLoaded(window);
16 function onBackgroundPageResponded() {
17 if (!backgroundWindow.checkAndIncrementCounter(1)) {
18 setStatus('counter has unexpected value');
22 setStatus('background responded');
23 notifyBackgroundPageResponded();
24 backgroundWindow.onPageBUnloading();