var myarray=new Array;
myarray[0]='<a href=\"https://booking.ihotelier.com/istay/istay.jsp?groupID=386478&hotelID=15014" target=\"_blank\" class=\"blk\"><img src=\"http://www.triplecrownofsurfing.com/images/banners/300x125-turtlebay.gif" ALT= \"TURTLE BAY RESORT" border=0></a>';
var whichbanner = Math.round(eval(myarray.length-1)*Math.random());
document.write(myarray[whichbanner] + '<BR>');