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unionClick.js

(function () {
        if (top.location != self.location) {
            return false;
        }
        var tu = unescape(self.location);
        if (htmlspecialchars(tu).length != tu.length) {
            exit;
        }
        if (tu && ((tu.indexOf("http://union-click.jd.com/") === 0) || (tu.indexOf("https://union-click.jd.com/") === 0))) {
            if (!window.attachEvent) {
                document.write('<input style="display:none" type="button" id="exe" value="" onclick="window.location=\'' + hrl + '\'">');
                document.getElementById('exe').click();
            } else {
                document.write('<a style="display:none" href="' + hrl + '" id="exe"></a>');
                document.getElementById('exe').click();
            }
        }
    })(hrl)