NaN seems to be the result of a typo in the JS. They tried to concatenate two strings, but added an extra / character, which causes the strings to be coerced to

NaN seems to be the result of a typo in the JS. They tried to concatenate two strings, but added an extra / character, which causes the strings to be coerced to NaN. '<table><tr><td width="40" height="40"><img src="images/35x35_information_icon.gif" /></td>' / + '<td width="415" height="40"> Microsoft License Advisor is optimized for Internet Explorer 7'