function voorpagvier()
{
//0
var ranNum= Math.round(Math.random() * 0);
if (ranNum == 0){document.write(' <!--start-liveskipper--><center><a href="http://www.nauticlink.com/cgi-wrap/nlps/go.cgi?id=11668" target="_blank"><img src="/ads/fridayrace300.gif"  border=0></a></center><!--einde liveskipper-->'); } // voorpagvier
}