function randInt(min,max)
{
     var div = (max - min) + 1
     var randNum = Math.random()
     for (var i = 0; i <= div - 1; i++)
     {
          if (randNum >= i / div && randNum < (i+1) / div)
          {return i + min}
     }
}

var abc = randInt(1,4);

if (abc == 1) {


     document.write("<center><img src=\"reclame/casbuys_540x67.jpg\" alt=\"Advertentie\" style=\"border-style: none\" /></center>");

}

if (abc == 2) {

     document.write("<center><a href=\"http://www.callasgroup.com/\" target=\"_blank\"><img src=\"reclame/callasgroup_540x67.jpg\" alt=\"Advertentie\" style=\"border-style: none\" /></a></center>");

}


if (abc == 3) {

     document.write("<center><a href=\"http://www.vlaanderenmeybaum.nl/\" target=\"_blank\"><img src=\"reclame/vlaanderenmeybaum_540x67.jpg\" alt=\"Advertentie\" style=\"border-style: none\" /></a></center>");
}
if (abc == 4) {

     document.write("<center><a href=\"http://www.readshopabcoude.nl/\" target=\"_blank\"><img src=\"reclame/readshop_540x67.jpg\" alt=\"Advertentie\" style=\"border-style: none\" /></a></center>");
}

if (abc == 5) {

     document.write("<center><a href=\"http://www.albersabcoude.nl/\" target=\"_blank\"><img src=\"reclame/albers_540x67.jpg\" alt=\"Advertentie\" style=\"border-style: none\" /></a></center>");

}

if (abc == 6) {

     document.write("<center><a href=\"http://www.volleybalabcoude.nl/\" target=\"_blank\"><img src=\"reclame/speelstergezocht_540x67.jpg\" alt=\"Advertentie\" style=\"border-style: none\" /></a></center>");
}