function voorpagdrie()
{
//0
var ranNum= Math.round(Math.random() * 0);
if (ranNum == 0){document.write('<center><a href="http://www.yachtvisionplaza.nl/html/yacht.asp?hoehe=1300&Gotop=yachtvision_tv_iframe.asp" target="_blank"><img src=/ads/yachtvisiontv234.gif  border="0" target="_blank"></a></center>'); } // yachtvisiontv
}