This is one of those tiny off-topic feedbacks that might just be me, but the colour choice on the inactive tick boxes means that when I'm scanning through the text and the ticks are in my peripheral vision they 'strobe' in a really distracting mildly off-putting way, like a subtle version of the dots in this illusion http://en.wikipedia.org/wiki/Grid_illusion
"500 Internal Server Error
If you are the administrator of this website, then please read this web application's log file and/or the web server's log file to find out what went wrong."