<html xmlns="
http://www.w3.org/1999/xhtml">
<head>
<script>
function boom()
{
var b = document.getElementById('b');
b.style.counterIncrement = 'chicken';
document.body.offsetHeight;
b.style.counterIncrement = '';
}
</script>
</head>
<body onload="boom();">
<col id="a" span="2"></col><col id="b"></col>
</body>
</html>
