order 페이지에서
<DIV id="PAYWAIT_LAYER" style='position:absolute; left:50px; top:120px; width:503; height: 255; z-index:1; visibility: hidden'><a href="JavaScript:PaymentOpen();"><img src="/images/paywait.gif" align=absmiddle border=0 name=paywait galleryimg=no></a></DIV>
<IFRAME id="PAYWAIT_IFRAME" name="PAYWAIT_IFRAME" style="left:50px; top:120px; width:503; height: 255; position:absolute; visibility:hidden"></IFRAME>
<!--IFRAME id=PROCESS_IFRAME name=PROCESS_IFRAME style="display:''" width=100% height=300></IFRAME-->
<IFRAME id=PROCESS_IFRAME name=PROCESS_IFRAME style="display:none"></IFRAME>


아이프레임에서 새창을 호출하고

결제완료후

echo "<script>";
echo "opener.parent.location.href=\"http://$url$query\";\n";
echo "</script>";
}
echo "<script>";
echo "window.close();";
echo "</script>";
exit;

부모창을 닫습니다. 전엔 됐는데 왜 지금은 안될까요 ㅠㅠ