<!DOCTYPE html>
<html>
<head>
<script src="common.js"></script>
<script>
function readData() {
return sessionStorage.getItem('key');
}
function writeData() {
sessionStorage.setItem('key', 'foo');
return true;
}
</script>
</head>
<body onload="setTimeout(onLoad, 0);">
</body>
</html>