/* request code */
        var child = null;
        child = window.open('', pop_title, opt);
        child.location = url;
        child.focus();
        var frmData = document.payForm;
        frmData.target = pop_title;
        frmData.action = url;
        frmData.submit();

        var leftDomain = false;
        var interval = setInterval(function () {
            try {
                if (child.document.domain === document.domain) {
                    if (leftDomain && child.document.readyState === "complete") {
                        clearInterval(interval);
                        child.postMessage({message: "requestResult"}, "*");
                    }
                } else {
                    leftDomain = true;
                }
            } catch (e) {
                // we're here when the child window has been navigated away or closed
                if (child.closed) {
                    clearInterval(interval);
                    return;
                }
                // navigated to another domain
                leftDomain = true;
            }
        }, 500);

        /* child page */
        document.domain = "mysite.com"
        targetWindow = window.opener;
        targetWindow.postMessage({ message: "deliverResult", result: "succ" , msg: "¿¿¿ ¿¿ ¿¿¿ ¿¿¿¿¿¿¿.", tid: "<?=$_POST["Tradeid"]?>"}, "*");

localStorage.setItem("orgWindow",window);
        localStorage.getItem("orgWindow");