<!DOCTYPE html>
<html>
<body>
<input id="emptyOnFirstVisit">
<form action="data:text/html,&lt;script>history.back()&lt;/script>" id=form1>
    <input type=week id=input1>
    <input type=week id=input2>
    <input type=week id=input3 value="2012-W01">
</form>

<script>
// Restoring the form should update the clear button visibility.
testRunner.waitUntilDone();
function runTest()
{
    var state = document.getElementById('emptyOnFirstVisit');
    if (!state.value) {
        // First visit.
        setTimeout(function() {
            state.value = 'visited';
            document.getElementById('input2').value = "2001-W02";
            document.getElementById('input3').value = "2002-W03";
            document.getElementById('form1').submit();
        }, 0);
    } else {
        testRunner.notifyDone();
    }
}

window.onload = runTest;
</script>
</body>