/*!	SWFObject v2.0 <//code.google.com/p/swfobject/>
	Copyright (c) 2007 Geoff Stearns, Michael Williams, and Bobby van der Sluis
	This software is released under the MIT License <//www.opensource.org/licenses/mit-license.php>
*/

var swfobject = function () {

    var UNDEF = "undefined",
        OBJECT = "object",
        SHOCKWAVE_FLASH = "Shockwave Flash",
        SHOCKWAVE_FLASH_AX = "ShockwaveFlash.ShockwaveFlash",
        FLASH_MIME_TYPE = "application/x-shockwave-flash",
        EXPRESS_INSTALL_ID = "SWFObjectExprInst",

        win = window,
        doc = document,
        nav = navigator,

        domLoadFnArr = [],
        regObjArr = [],
        timer = null,
        storedAltContent = null,
        storedAltContentId = null,
        isDomLoaded = false,
        isExpressInstallActive = false;

    /* Centralized function for browser feature detection
        - Proprietary feature detection (conditional compiling) is used to detect Internet Explorer's features
        - User agent string detection is only used when no alternative is possible
        - Is executed directly for optimal performance
    */
    var ua = function () {
        var w3cdom = typeof doc.getElementById != UNDEF && typeof doc.getElementsByTagName != UNDEF && typeof doc.createElement != UNDEF && typeof doc.appendChild != UNDEF && typeof doc.replaceChild != UNDEF && typeof doc.removeChild != UNDEF && typeof doc.cloneNode != UNDEF,
            playerVersion = [0, 0, 0],
            d = null;
        if (typeof nav.plugins != UNDEF && typeof nav.plugins[SHOCKWAVE_FLASH] == OBJECT) {
            d = nav.plugins[SHOCKWAVE_FLASH].description;
            if (d) {
                d = d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
                playerVersion[0] = parseInt(d.replace(/^(.*)\..*$/, "$1"), 10);
                playerVersion[1] = parseInt(d.replace(/^.*\.(.*)\s.*$/, "$1"), 10);
                playerVersion[2] = /r/.test(d) ? parseInt(d.replace(/^.*r(.*)$/, "$1"), 10) : 0;
            }
        } else if (typeof win.ActiveXObject != UNDEF) {
            var a = null, fp6Crash = false;
            try {
                a = new ActiveXObject(SHOCKWAVE_FLASH_AX + ".7");
            } catch (e) {
                try {
                    a = new ActiveXObject(SHOCKWAVE_FLASH_AX + ".6");
                    playerVersion = [6, 0, 21];
                    a.AllowScriptAccess = "always";  // Introduced in fp6.0.47
                } catch (e) {
                    if (playerVersion[0] == 6) {
                        fp6Crash = true;
                    }
                }
                if (!fp6Crash) {
                    try {
                        a = new ActiveXObject(SHOCKWAVE_FLASH_AX);
                    } catch (e) {
                    }
                }
            }
            if (!fp6Crash && a) { // a will return null when ActiveX is disabled
                try {
                    d = a.GetVariable("$version");  // Will crash fp6.0.21/23/29
                    if (d) {
                        d = d.split(" ")[1].split(",");
                        playerVersion = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
                    }
                } catch (e) {
                }
            }
        }
        var u = nav.userAgent.toLowerCase(),
            p = nav.platform.toLowerCase(),
            webkit = /webkit/.test(u) ? parseFloat(u.replace(/^.*webkit\/(\d+(\.\d+)?).*$/, "$1")) : false, // returns either the webkit version or false if not webkit
            ie = false,
            windows = p ? /win/.test(p) : /win/.test(u),
            mac = p ? /mac/.test(p) : /mac/.test(u);
        /*@cc_on
            ie = true;
            @if (@_win32)
                windows = true;
            @elif (@_mac)
                mac = true;
            @end
        @*/
        return {w3cdom: w3cdom, pv: playerVersion, webkit: webkit, ie: ie, win: windows, mac: mac};
    }();

    /* Cross-browser onDomLoad
        - Based on Dean Edwards' solution: //dean.edwards.name/weblog/2006/06/again/
        - Will fire an event as soon as the DOM of a page is loaded (supported by Gecko based browsers - like Firefox -, IE, Opera9+, Safari)
    */
    var onDomLoad = function () {
        if (!ua.w3cdom) {
            return;
        }
        addDomLoadEvent(main);
        if (ua.ie && ua.win) {
            try {  // Avoid a possible Operation Aborted error
                doc.write("<scr" + "ipt id=__ie_ondomload defer=true src=//:></scr" + "ipt>"); // String is split into pieces to avoid Norton AV to add code that can cause errors
                var s = getElementById("__ie_ondomload");
                if (s) {
                    s.onreadystatechange = function () {
                        if (this.readyState == "complete") {
                            this.parentNode.removeChild(this);
                            callDomLoadFunctions();
                        }
                    };
                }
            } catch (e) {
            }
        }
        if (ua.webkit && typeof doc.readyState != UNDEF) {
            timer = setInterval(function () {
                if (/loaded|complete/.test(doc.readyState)) {
                    callDomLoadFunctions();
                }
            }, 10);
        }
        if (typeof doc.addEventListener != UNDEF) {
            doc.addEventListener("DOMContentLoaded", callDomLoadFunctions, null);
        }
        addLoadEvent(callDomLoadFunctions);
    }();

    function callDomLoadFunctions() {
        if (isDomLoaded) {
            return;
        }
        if (ua.ie && ua.win) { // Test if we can really add elements to the DOM; we don't want to fire it too early
            var s = createElement("span");
            try { // Avoid a possible Operation Aborted error
                var t = doc.getElementsByTagName("body")[0].appendChild(s);
                t.parentNode.removeChild(t);
            } catch (e) {
                return;
            }
        }
        isDomLoaded = true;
        if (timer) {
            clearInterval(timer);
            timer = null;
        }
        var dl = domLoadFnArr.length;
        for (var i = 0; i < dl; i++) {
            domLoadFnArr[i]();
        }
    }

    function addDomLoadEvent(fn) {
        if (isDomLoaded) {
            fn();
        } else {
            domLoadFnArr[domLoadFnArr.length] = fn; // Array.push() is only available in IE5.5+
        }
    }

    /* Cross-browser onload
        - Based on James Edwards' solution: //brothercake.com/site/resources/scripts/onload/
        - Will fire an event as soon as a web page including all of its assets are loaded
     */
    function addLoadEvent(fn) {
        if (typeof win.addEventListener != UNDEF) {
            win.addEventListener("load", fn, false);
        } else if (typeof doc.addEventListener != UNDEF) {
            doc.addEventListener("load", fn, false);
        } else if (typeof win.attachEvent != UNDEF) {
            win.attachEvent("onload", fn);
        } else if (typeof win.onload == "function") {
            var fnOld = win.onload;
            win.onload = function () {
                fnOld();
                fn();
            };
        } else {
            win.onload = fn;
        }
    }

    /* Main function
        - Will preferably execute onDomLoad, otherwise onload (as a fallback)
    */
    function main() { // Static publishing only
        var rl = regObjArr.length;
        for (var i = 0; i < rl; i++) { // For each registered object element
            var id = regObjArr[i].id;
            if (ua.pv[0] > 0) {
                var obj = getElementById(id);
                if (obj) {
                    regObjArr[i].width = obj.getAttribute("width") ? obj.getAttribute("width") : "0";
                    regObjArr[i].height = obj.getAttribute("height") ? obj.getAttribute("height") : "0";
                    if (hasPlayerVersion(regObjArr[i].swfVersion)) { // Flash plug-in version >= Flash content version: Houston, we have a match!
                        if (ua.webkit && ua.webkit < 312) { // Older webkit engines ignore the object element's nested param elements
                            fixParams(obj);
                        }
                        setVisibility(id, true);
                    } else if (regObjArr[i].expressInstall && !isExpressInstallActive && hasPlayerVersion("6.0.65") && (ua.win || ua.mac)) { // Show the Adobe Express Install dialog if set by the web page author and if supported (fp6.0.65+ on Win/Mac OS only)
                        showExpressInstall(regObjArr[i]);
                    } else { // Flash plug-in and Flash content version mismatch: display alternative content instead of Flash content
                        displayAltContent(obj);
                    }
                }
            } else {  // If no fp is installed, we let the object element do its job (show alternative content)
                setVisibility(id, true);
            }
        }
    }

    /* Fix nested param elements, which are ignored by older webkit engines
        - This includes Safari up to and including version 1.2.2 on Mac OS 10.3
        - Fall back to the proprietary embed element
    */
    function fixParams(obj) {
        var nestedObj = obj.getElementsByTagName(OBJECT)[0];
        if (nestedObj) {
            var e = createElement("embed"), a = nestedObj.attributes;
            if (a) {
                var al = a.length;
                for (var i = 0; i < al; i++) {
                    if (a[i].nodeName.toLowerCase() == "data") {
                        e.setAttribute("src", a[i].nodeValue);
                    } else {
                        e.setAttribute(a[i].nodeName, a[i].nodeValue);
                    }
                }
            }
            var c = nestedObj.childNodes;
            if (c) {
                var cl = c.length;
                for (var j = 0; j < cl; j++) {
                    if (c[j].nodeType == 1 && c[j].nodeName.toLowerCase() == "param") {
                        e.setAttribute(c[j].getAttribute("name"), c[j].getAttribute("value"));
                    }
                }
            }
            obj.parentNode.replaceChild(e, obj);
        }
    }

    /* Fix hanging audio/video threads and force open sockets and NetConnections to disconnect
        - Occurs when unloading a web page in IE using fp8+ and innerHTML/outerHTML
        - Dynamic publishing only
    */
    function fixObjectLeaks(id) {
        if (ua.ie && ua.win && hasPlayerVersion("8.0.0")) {
            win.attachEvent("onunload", function () {
                var obj = getElementById(id);
                if (obj) {
                    for (var i in obj) {
                        if (typeof obj[i] == "function") {
                            obj[i] = function () {
                            };
                        }
                    }
                    obj.parentNode.removeChild(obj);
                }
            });
        }
    }

    /* Show the Adobe Express Install dialog
        - Reference: //www.adobe.com/cfusion/knowledgebase/index.cfm?id=6a253b75
    */
    function showExpressInstall(regObj) {
        isExpressInstallActive = true;
        var obj = getElementById(regObj.id);
        if (obj) {
            if (regObj.altContentId) {
                var ac = getElementById(regObj.altContentId);
                if (ac) {
                    storedAltContent = ac;
                    storedAltContentId = regObj.altContentId;
                }
            } else {
                storedAltContent = abstractAltContent(obj);
            }
            if (!(/%$/.test(regObj.width)) && parseInt(regObj.width, 10) < 310) {
                regObj.width = "310";
            }
            if (!(/%$/.test(regObj.height)) && parseInt(regObj.height, 10) < 137) {
                regObj.height = "137";
            }
            doc.title = doc.title.slice(0, 47) + " - Flash Player Installation";
            var pt = ua.ie && ua.win ? "ActiveX" : "PlugIn",
                dt = doc.title,
                fv = "MMredirectURL=" + win.location + "&MMplayerType=" + pt + "&MMdoctitle=" + dt,
                replaceId = regObj.id;
            // For IE when a SWF is loading (AND: not available in cache) wait for the onload event to fire to remove the original object element
            // In IE you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
            if (ua.ie && ua.win && obj.readyState != 4) {
                var newObj = createElement("div");
                replaceId += "SWFObjectNew";
                newObj.setAttribute("id", replaceId);
                obj.parentNode.insertBefore(newObj, obj); // Insert placeholder div that will be replaced by the object element that loads expressinstall.swf
                obj.style.display = "none";
                win.attachEvent("onload", function () {
                    obj.parentNode.removeChild(obj);
                });
            }
            createSWF({
                data: regObj.expressInstall,
                id: EXPRESS_INSTALL_ID,
                width: regObj.width,
                height: regObj.height
            }, {flashvars: fv}, replaceId);
        }
    }

    /* Functions to abstract and display alternative content
    */
    function displayAltContent(obj) {
        if (ua.ie && ua.win && obj.readyState != 4) {
            // For IE when a SWF is loading (AND: not available in cache) wait for the onload event to fire to remove the original object element
            // In IE you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
            var el = createElement("div");
            obj.parentNode.insertBefore(el, obj); // Insert placeholder div that will be replaced by the alternative content
            el.parentNode.replaceChild(abstractAltContent(obj), el);
            obj.style.display = "none";
            win.attachEvent("onload", function () {
                obj.parentNode.removeChild(obj);
            });
        } else {
            obj.parentNode.replaceChild(abstractAltContent(obj), obj);
        }
    }

    function abstractAltContent(obj) {
        var ac = createElement("div");
        if (ua.win && ua.ie) {
            ac.innerHTML = obj.innerHTML;
        } else {
            var nestedObj = obj.getElementsByTagName(OBJECT)[0];
            if (nestedObj) {
                var c = nestedObj.childNodes;
                if (c) {
                    var cl = c.length;
                    for (var i = 0; i < cl; i++) {
                        if (!(c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "param") && !(c[i].nodeType == 8)) {
                            ac.appendChild(c[i].cloneNode(true));
                        }
                    }
                }
            }
        }
        return ac;
    }

    /* Cross-browser dynamic SWF creation
    */
    function createSWF(attObj, parObj, id) {
        var r, el = getElementById(id);
        if (typeof attObj.id == UNDEF) { // if no 'id' is defined for the object element, it will inherit the 'id' from the alternative content
            attObj.id = id;
        }
        if (ua.ie && ua.win) { // IE, the object element and W3C DOM methods do not combine: fall back to outerHTML
            var att = "";
            for (var i in attObj) {
                if (attObj[i] != Object.prototype[i]) { // Filter out prototype additions from other potential libraries, like Object.prototype.toJSONString = function() {}
                    if (i == "data") {
                        parObj.movie = attObj[i];
                    } else if (i.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
                        att += ' class="' + attObj[i] + '"';
                    } else if (i != "classid") {
                        att += ' ' + i + '="' + attObj[i] + '"';
                    }
                }
            }
            var par = "";
            for (var j in parObj) {
                if (parObj[j] != Object.prototype[j]) { // Filter out prototype additions from other potential libraries
                    par += '<param name="' + j + '" value="' + parObj[j] + '" />';
                }
            }
            el.outerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' + att + '>' + par + '</object>';
            fixObjectLeaks(attObj.id); // This bug affects dynamic publishing only
            r = getElementById(attObj.id);
        } else if (ua.webkit && ua.webkit < 312) { // Older webkit engines ignore the object element's nested param elements: fall back to the proprietary embed element
            var e = createElement("embed");
            e.setAttribute("type", FLASH_MIME_TYPE);
            for (var k in attObj) {
                if (attObj[k] != Object.prototype[k]) { // Filter out prototype additions from other potential libraries
                    if (k == "data") {
                        e.setAttribute("src", attObj[k]);
                    } else if (k.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
                        e.setAttribute("class", attObj[k]);
                    } else if (k != "classid") { // Filter out IE specific attribute
                        e.setAttribute(k, attObj[k]);
                    }
                }
            }
            for (var l in parObj) {
                if (parObj[l] != Object.prototype[l]) { // Filter out prototype additions from other potential libraries
                    if (l != "movie") { // Filter out IE specific param element
                        e.setAttribute(l, parObj[l]);
                    }
                }
            }
            el.parentNode.replaceChild(e, el);
            r = e;
        } else { // Well-behaving browsers
            var o = createElement(OBJECT);
            o.setAttribute("type", FLASH_MIME_TYPE);
            for (var m in attObj) {
                if (attObj[m] != Object.prototype[m]) { // Filter out prototype additions from other potential libraries
                    if (m.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
                        o.setAttribute("class", attObj[m]);
                    } else if (m != "classid") { // Filter out IE specific attribute
                        o.setAttribute(m, attObj[m]);
                    }
                }
            }
            for (var n in parObj) {
                if (parObj[n] != Object.prototype[n] && n != "movie") { // Filter out prototype additions from other potential libraries and IE specific param element
                    createObjParam(o, n, parObj[n]);
                }
            }
            el.parentNode.replaceChild(o, el);
            r = o;
        }
        return r;
    }

    function createObjParam(el, pName, pValue) {
        var p = createElement("param");
        p.setAttribute("name", pName);
        p.setAttribute("value", pValue);
        el.appendChild(p);
    }

    function getElementById(id) {
        return doc.getElementById(id);
    }

    function createElement(el) {
        return doc.createElement(el);
    }

    function hasPlayerVersion(rv) {
        var pv = ua.pv, v = rv.split(".");
        v[0] = parseInt(v[0], 10);
        v[1] = parseInt(v[1], 10);
        v[2] = parseInt(v[2], 10);
        return (pv[0] > v[0] || (pv[0] == v[0] && pv[1] > v[1]) || (pv[0] == v[0] && pv[1] == v[1] && pv[2] >= v[2])) ? true : false;
    }

    /* Cross-browser dynamic CSS creation
        - Based on Bobby van der Sluis' solution: //www.bobbyvandersluis.com/articles/dynamicCSS.php
    */
    function createCSS(sel, decl) {
        if (ua.ie && ua.mac) {
            return;
        }
        var h = doc.getElementsByTagName("head")[0], s = createElement("style");
        s.setAttribute("type", "text/css");
        s.setAttribute("media", "screen");
        if (!(ua.ie && ua.win) && typeof doc.createTextNode != UNDEF) {
            s.appendChild(doc.createTextNode(sel + " {" + decl + "}"));
        }
        h.appendChild(s);
        if (ua.ie && ua.win && typeof doc.styleSheets != UNDEF && doc.styleSheets.length > 0) {
            var ls = doc.styleSheets[doc.styleSheets.length - 1];
            if (typeof ls.addRule == OBJECT) {
                ls.addRule(sel, decl);
            }
        }
    }

    function setVisibility(id, isVisible) {
        var v = isVisible ? "inherit" : "hidden";
        if (isDomLoaded) {
            getElementById(id).style.visibility = v;
        } else {
            createCSS("#" + id, "visibility:" + v);
        }
    }

    function getTargetVersion(obj) {
        if (!obj)
            return 0;
        var c = obj.childNodes;
        var cl = c.length;
        for (var i = 0; i < cl; i++) {
            if (c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "object") {
                c = c[i].childNodes;
                cl = c.length;
                i = 0;
            }
            if (c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "param" && c[i].getAttribute("name") == "swfversion") {
                return c[i].getAttribute("value");
            }
        }
        return 0;
    }

    function getExpressInstall(obj) {
        if (!obj)
            return "";
        var c = obj.childNodes;
        var cl = c.length;
        for (var i = 0; i < cl; i++) {
            if (c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "object") {
                c = c[i].childNodes;
                cl = c.length;
                i = 0;
            }
            if (c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "param" && c[i].getAttribute("name") == "expressinstall") {
                return c[i].getAttribute("value");
            }
        }
        return "";
    }

    return {
        /* Public API
            - Reference: //code.google.com/p/swfobject/wiki/SWFObject_2_0_documentation
        */
        registerObject: function (objectIdStr, swfVersionStr, xiSwfUrlStr) {
            if (!ua.w3cdom || !objectIdStr) {
                return;
            }
            var obj = document.getElementById(objectIdStr);
            var xi = getExpressInstall(obj);
            var regObj = {};
            regObj.id = objectIdStr;
            regObj.swfVersion = swfVersionStr ? swfVersionStr : getTargetVersion(obj);
            regObj.expressInstall = xiSwfUrlStr ? xiSwfUrlStr : ((xi != "") ? xi : false);
            regObjArr[regObjArr.length] = regObj;
            setVisibility(objectIdStr, false);
        },

        getObjectById: function (objectIdStr) {
            var r = null;
            if (ua.w3cdom && isDomLoaded) {
                var o = getElementById(objectIdStr);
                if (o) {
                    var n = o.getElementsByTagName(OBJECT)[0];
                    if (!n || (n && typeof o.SetVariable != UNDEF)) {
                        r = o;
                    } else if (typeof n.SetVariable != UNDEF) {
                        r = n;
                    }
                }
            }
            return r;
        },

        embedSWF: function (swfUrlStr, replaceElemIdStr, widthStr, heightStr, swfVersionStr, xiSwfUrlStr, flashvarsObj, parObj, attObj) {
            if (!ua.w3cdom || !swfUrlStr || !replaceElemIdStr || !widthStr || !heightStr || !swfVersionStr) {
                return;
            }
            widthStr += ""; // Auto-convert to string to make it idiot proof
            heightStr += "";
            if (hasPlayerVersion(swfVersionStr)) {
                setVisibility(replaceElemIdStr, false);
                var att = (typeof attObj == OBJECT) ? attObj : {};
                att.data = swfUrlStr;
                att.width = widthStr;
                att.height = heightStr;
                var par = (typeof parObj == OBJECT) ? parObj : {};
                if (typeof flashvarsObj == OBJECT) {
                    for (var i in flashvarsObj) {
                        if (flashvarsObj[i] != Object.prototype[i]) { // Filter out prototype additions from other potential libraries
                            if (typeof par.flashvars != UNDEF) {
                                par.flashvars += "&" + i + "=" + flashvarsObj[i];
                            } else {
                                par.flashvars = i + "=" + flashvarsObj[i];
                            }
                        }
                    }
                }
                addDomLoadEvent(function () {
                    createSWF(att, par, replaceElemIdStr);
                    if (att.id == replaceElemIdStr) {
                        setVisibility(replaceElemIdStr, true);
                    }
                });
            } else if (xiSwfUrlStr && !isExpressInstallActive && hasPlayerVersion("6.0.65") && (ua.win || ua.mac)) {
                setVisibility(replaceElemIdStr, false);
                addDomLoadEvent(function () {
                    var regObj = {};
                    regObj.id = regObj.altContentId = replaceElemIdStr;
                    regObj.width = widthStr;
                    regObj.height = heightStr;
                    regObj.expressInstall = xiSwfUrlStr;
                    showExpressInstall(regObj);
                });
            }
        },

        getFlashPlayerVersion: function () {
            return {major: ua.pv[0], minor: ua.pv[1], release: ua.pv[2]};
        },

        hasFlashPlayerVersion: hasPlayerVersion,

        createSWF: function (attObj, parObj, replaceElemIdStr) {
            if (ua.w3cdom && isDomLoaded) {
                return createSWF(attObj, parObj, replaceElemIdStr);
            } else {
                return undefined;
            }
        },

        createCSS: function (sel, decl) {
            if (ua.w3cdom) {
                createCSS(sel, decl);
            }
        },

        addDomLoadEvent: addDomLoadEvent,

        addLoadEvent: addLoadEvent,

        getQueryParamValue: function (param) {
            var q = doc.location.search || doc.location.hash;
            if (param == null) {
                return q;
            }
            if (q) {
                var pairs = q.substring(1).split("&");
                for (var i = 0; i < pairs.length; i++) {
                    if (pairs[i].substring(0, pairs[i].indexOf("=")) == param) {
                        return pairs[i].substring((pairs[i].indexOf("=") + 1));
                    }
                }
            }
            return "";
        },

        // For internal usage only
        expressInstallCallback: function () {
            if (isExpressInstallActive && storedAltContent) {
                var obj = getElementById(EXPRESS_INSTALL_ID);
                if (obj) {
                    obj.parentNode.replaceChild(storedAltContent, obj);
                    if (storedAltContentId) {
                        setVisibility(storedAltContentId, true);
                        if (ua.ie && ua.win) {
                            storedAltContent.style.display = "block";
                        }
                    }
                    storedAltContent = null;
                    storedAltContentId = null;
                    isExpressInstallActive = false;
                }
            }
        }

    };

}();
