Empty space in my catalog page

[pnagames]

http://www.pnagames.com/acatalog/index.html

if you see on the page there is some empty space between the grey "product list" and the table which comes from html code.

how can i make that dissappear?

[pinbrook]

look for

<p>&nbsp;</p>

this code wiill be in act_primary berween the table definitions