var jinvoice_xmldocs=Array();
var invoicesending=0;

function jinvoice_submit(gameid)
{
 var o;

 if (invoicesending) return;
 invoicesending=1;
 o=document.getElementById('invoicesending');
 if (o) {
  o.style.display='';
 }

 var subscribe=0;
 var name='';
 var email='';
 var productid='';
 var o=document.getElementById('subscribe');
 if (o && o.checked) subscribe=1;
 o=document.getElementById('productid');
 if (o) productid=o.value;
 o=document.getElementById('invoicename');
 if (o) name=o.value;
 o=document.getElementById('invoiceemail');
 if (o) email=o.value;

 var url='/products/invoice_xmlhttp.php';
 var params='subscribe='+subscribe;
 params+='&pid='+encodeURIComponent(productid);
 params+='&name='+encodeURIComponent(name);
 params+='&email='+encodeURIComponent(email);
 params+='&gameid='+gameid;
 jinvoice_xmldocs=jxmlhttp_post(url,params, jinvoice_xmldocs, jinvoice_process_http_request);
}

function jinvoice_process_http_request()
{
 for (var i=0;i<jinvoice_xmldocs.length;i++) {
  var xmldoc=jinvoice_xmldocs[i];
  if (!xmldoc) continue;
  if (xmldoc.readyState!=4) continue;
  var ok=xmldoc.responseText.substring(0,4);
  if (ok=='[OK]') {
   var p=xmldoc.responseText.indexOf(';');
   if (p>0) {
    txtid=xmldoc.responseText.substring(4,p);
    var response=xmldoc.responseText.substring(p+1);
    var o=document.getElementById('invoice');
    if (o) o.innerHTML=response;
   }
  }
  else {
   var o=document.getElementById('invoicesending');
   if (o) o.style.display='none';
   alert(xmldoc.responseText.substring(4,p));
  }
  delete jinvoice_xmldocs[i];
  invoicesending=0;
 }
}