How can I make a background image a link on the homepage

[gina-cc]

I need to make the main graphic on http://www.cohnmoscarelli.com/ (eye w/ Learn more banner) clickable. the graphic is a background image

CSS:

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#home-top {
background: url("images/home-top-bg.png") no-repeat scroll 0 0 transparent;

color: #808285;

height: 376px;

margin: 0;

overflow: hidden;

padding: 0;

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


the image should link to: http://www.cohnmoscarelli.com/cohn-m...joins-findlaw/



how can I do this?
Thanks for the help!