document.getElementById("ad1").innerHTML = "<a href=http:\/\/dev.cstech.net.au\/northern_star\/bins\/adManager\/abmc.asp?b=23&z=2 target=_blank><img src=http:\/\/dev.cstech.net.au\/northern_star\/bins\/adManager\/banners\/pawistik-logo-Fish-small.jpg border=0><\/a>";document.getElementById("ad2").innerHTML = "";