//validate quantity as int or change to 1
function validate_qty($qtyid) {
   $qty=document.getElementById($qtyid).value;
   if(!parseInt($qty)) {
      document.getElementById($qtyid).value=1;
	 }
}
function cancel_checkout(){
   window.location=ROOTURL+'basket.php';
}
function enable_selection(){
document.getElementById('change_country_num').disabled=false;
}
function reveal_referral_box(){
document.getElementById('friendreferral').style.display='block';
}