Here are a few more useful resources...
MIND - keeping well at work.......... http://www.mind.org.uk/for-business/...ealth-at-work/
And for a look at things from the other side of the desk
https://responsibilitydeal.dh.gov.uk...conditions.pdf
And this useful NHS site..
http://www.nhsemployers.org/HealthyW...hProblems.aspx
http://www.nhsemployers.org/HealthyW...nYourMind.aspx