//This code is needed on ANY page that has PayPal Buttons
//It properly sets the cmd variable based on whether it's a
//one time payment or recurring "subscription" payment

function setcmd(formname) {
   var cmd_field    = formname["cmd"];
   var srt_field    = formname["srt"];
   var amount_field = formname["amount"];
   var a3_field     = formname["a3"];

   if (srt_field.value <= 1) {
      cmd_field.value    = "_xclick";
      amount_field.value = a3_field.value;
   }
   else
      cmd_field.value = "_xclick-subscriptions";
}