function vm_addEvent(obj, evType, fn){ 
 if (obj.addEventListener){ 
   obj.addEventListener(evType, fn, false); 
   return true; 
 } else if (obj.attachEvent){ 
   var r = obj.attachEvent("on"+evType, fn); 
   return r; 
 } else { 
   return false; 
 } 
}
window.vm_addEvent(window, 'load', function() {
  vm_ad_vouchers = new String('<a href=\"http://www.vouchermate.co.nz/vouchers/12680\" class=\"vm_ad_div\" style=\"\" id=\"vm_ad_link_12680\" onclick=\"window.open(this.href);return false;\"> <span style=\"\">MOTAT</span> <span style=\"\">One FREE ADULT OR CHILD GENERAL ADMISSION when another ADULT OR CHILD GENERAL ADMISSION is purchased</span> </a>');
  document.getElementById('vm_ad_box').innerHTML = vm_ad_vouchers;
  
});