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<html>
<head>
<script>
window.onbeforeunload = function() {
return true;
};
</script>
</head>
<body>
TEST PAGE
</body>
</html>
<html>
<head>
<script>
window.onbeforeunload = function() {
return true;
};
</script>
</head>
<body>
TEST PAGE
</body>
</html>