// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

(function(h) {
    if (!h.CFInstall) {
        var j = function(a, b) { return typeof a == "string" ? (b || document).getElementById(a) : a }, e, f = function() { if (typeof e != "undefined") return e; e = false; var a = navigator.userAgent.toLowerCase(); if (a.indexOf("chromeframe") >= 0 || a.indexOf("x-clock") >= 0) return e = true; if (typeof window.ActiveXObject != "undefined") try { var b = new ActiveXObject("ChromeTab.ChromeFrame"); if (b) e = true } catch (c) { } return e }, i = false, k = function() {
            if (!i) try {
                var a = ".chromeFrameInstallDefaultStyle {width: 800px;height: 600px;}",
b = document.createElement("style"); b.setAttribute("type", "text/css"); if (b.styleSheet) b.styleSheet.cssText = a; else b.appendChild(document.createTextNode(a)); var c = document.getElementsByTagName("head")[0], d = c.firstChild; c.insertBefore(b, d); i = true
            } catch (n) { } 
        }, l = function(a, b) { k(); var c = j(b.node); a.id = b.id || (c ? c.id || getUid(c) : ""); var d = b.cssText || ""; a.style.cssText = " " + d; d = b.className || ""; a.className = "chromeFrameInstallDefaultStyle " + d; b = b.src || "about:blank"; a.src = b; c && c.parentNode.replaceChild(a, c) }, m =
function(a) { var b = document.createElement("iframe"); l(b, a); return b }, g = {}; g.check = function(a) {
    a = a || {}; var b = /MSIE (\S+)/; if (b.test(navigator.userAgent)) {
        b = "//www.google.com/chromeframe"; if (!f()) {
            a.onmissing && a.onmissing(); a.src = a.url || b; b = a.mode || "inline"; var c = a.preventPrompt || false; if (!c) if (b == "inline") { b = m(a); if (!b.parentNode) { c = document.body.firstChild; document.body.insertBefore(b, c) } } else window.open(a.src); if (!a.preventInstallDetection) var d = setInterval(function() {
                if (f()) {
                    a.oninstall && a.oninstall();
                    clearInterval(d); window.location = a.destination || window.location
                } 
            }, 2000)
        } 
    } 
}; g.isAvailable = f; h.CFInstall = g
    } 
})(this.ChromeFrameInstallScope || this);