function popupWin(href, windowname, wd, ht) {
	var lft = Math.floor((screen.width - wd) / 2);
 	var tp = Math.floor((screen.height - ht) / 2);
 	var wstat = 'resizable=yes,scrollbars=yes,status=no,width='+wd+',height='+ht+',left='+lft+',top='+tp;
 	var popwin = window.open(href,windowname,wstat);
 	popwin.focus();
}

function popupWinNoScroll(href, windowname, wd, ht) {
  var lft = Math.floor((screen.width - wd) / 2);
  var tp = Math.floor((screen.height - ht) / 2);
  var wstat = 'resizable=yes,scrollbars=no,status=no,width='+wd+',height='+ht+',left='+lft+',top='+tp;
  // alert('Creating new window');
  var popwin = window.open(href,windowname,wstat);
  popwin.focus();
}

function popupPaymentWin(order_id) {
 if (!document.frm.inOrderId.value) {
   alert('Oops! You forgot to enter your purchase ID.');
   document.frm.inOrderId.focus();
   return false;
 }
 else {
   popupWin('../../../asp/online-payment.asp?id=' + order_id, 'ART_PAY', 720, 540);
   return true;
 }
}