page.tpl.php override for colorbox-node

Hi there. I purchased your theme....great work so far. My problem is that I can`t figure out where the regions of the theme are rendered for the page.tpl.php. I my case I want do display some nodes in a colorbox-node overlay. This works so far, but the scrolling bars for the content are not working. I think this can have something to do with the sticky header of the theme? Whatever what I want to to is to render the header with the logo inside the colorbox-node content to make the content scrollable under the header. Colorbox per setting should render ALL regions in colorbox-node. But something seems to override this setting and only displays the content. No more regions are displayed in the colorbox-node. Any suggests? Best regards Jan