var myarray=new Array;
myarray[0]='<a href=\"http://www.reef.com/guys/productdetail/guys/footwear/leather/2518" target=\"_blank\" class=\"blk\"><img src=\"http://www.triplecrownofsurfing.com/images/banners/machado-sandal-reef.gif" ALT= \"REEF" border=0></a>';
myarray[1]='<a href=\"http://www.reef.com/guys/products/guys/footwear/performance" target=\"_blank\" class=\"blk\"><img src=\"http://www.triplecrownofsurfing.com/images/banners/fanning-300x250.gif" ALT= \"REEF" border=0></a>';
var whichbanner = Math.round(eval(myarray.length-1)*Math.random());
document.write(myarray[whichbanner] + '<BR>');