/**

 * SWFAddress v1.1: Deep linking for Flash - http://www.asual.com/swfaddress/

 *

 * SWFAddress is (c) 2006 Rostislav Hristov and is released under the MIT License:

 * http://www.opensource.org/licenses/mit-license.php

 *

 * Recommended Dependency:  

 * SWFObject v1.5 - (c) 2006 Geoff Stearns.

 * http://blog.deconcept.com/swfobject/

 */

if(typeof asual == "undefined") var asual = new Object();

if(typeof asual.util == "undefined") asual.util = new Object();

asual.util.Browser = new function() {

    var agent = navigator.userAgent;

    this.supported = false;

    this.ie = false;

    this.gecko = false;

    this.safari = false;

    this.opera = false;

    this.version = -1;

    if (/MSIE/.test(agent)) {

        this.ie = true;

        this.version = parseFloat(agent.substring(agent.indexOf('MSIE') + 4));

        this.supported = this.version >= 6;

    } else if (/AppleWebKit/.test(agent)) {

        this.safari = true;

        this.version = parseFloat(agent.substring(agent.indexOf('Safari') + 7));

        this.supported = this.version >= 312;

    } else if (/Opera/.test(agent)) {

        this.opera = true;

        this.version = parseFloat(navigator.appVersion);

        this.supported = this.version >= 9.02;

    } else if (/Firefox/.test(agent)) {

        this.gecko = true;

        this.version = parseFloat(agent.substring(agent.indexOf('Firefox') + 8));

        this.supported = this.version >= 1;

    } else if (/Camino/.test(agent)) {

        this.gecko = true;

        this.version = parseFloat(agent.substring(agent.indexOf('Camino') + 7));

        this.supported = this.version >= 1;

    } else if (/Netscape/.test(agent)) {

        this.gecko = true;

        this.version = parseFloat(agent.substring(agent.indexOf('Netscape') + 9));

        this.supported = this.version >= 8;

    } else if (/Mozilla/.test(agent) && /rv:/.test(agent)) {

        this.gecko = true;

        this.version = parseFloat(agent.substring(agent.indexOf('rv:') + 3));

        this.supported = this.version >= 1.8;

    }

    if (!this.supported && top.location.href.indexOf('#') != -1) {

        document.open();

        document.write('<html><head><meta http-equiv="refresh" content="0;url=' + top.location.href.substr(0, top.location.href.indexOf('#')) + '" /></head></html>');

        document.close();

    }

}

asual.util.Cookie = new function() {

    this.write = function(value) {

        var date = new Date();

        date.setTime(date.getTime() + (3*8640000));

        var expires = '; expires=' + date.toGMTString();

        document.cookie = 'swfaddress=' + value + expires + '; path=' + top.location.pathname;

    }

    this.read = function() {

        var name = 'swfaddress=';

        var cookies = document.cookie.split(';');

        for (var i = 0, c; c = cookies[i]; i++) {

            while (c.charAt(0) == ' ') {

                c = c.substring(1);

            }

            if (c.indexOf(name) == 0) {

                return c.substring(name.length);

            }

        }

    }    

}

asual.util.Functions = new function() {

    this.extend = function(superclass, subclass) {

        function inheritance() {}

        inheritance.prototype = superclass.prototype;

        subclass.prototype = new inheritance();

        subclass.prototype.constructor = subclass;

        subclass.superConstructor = superclass;

        subclass.superClass = superclass.prototype;

        return subclass;

    }

    this.bindAsListener = function(method, object, win) {

        return function(evt) {

            return method.call(object, evt || ((win) ? win.event : window.event));

        }

    }    

}

asual.util.Events = new function() {

    var cache = new Array();

    this.addListener = function (obj, type, listener) {

        if (obj.addEventListener){

            obj.addEventListener(type, listener, false);

        } else if (obj.attachEvent){

            obj.attachEvent('on' + type, listener);

        } else {

            obj['on' + type] = listener;        

        }

        cache.push({o: obj, t: type, l: listener});

    }

    this.removeListener = function (obj, type, listener) {  

        if (obj.removeEventListener){

            obj.removeEventListener(type, listener, false);

        } else if (obj.detachEvent){

            obj.detachEvent('on' + type, listener);

        } else {

            obj['on' + type] = listener;

        }

    }

    var unload = function() {

        for (var i = 0, evt; evt = cache[i]; i++) {

            asual.util.Events.removeListener(evt.o, evt.t, evt.l);

        }

    }

    if (asual.util.Browser.ie || asual.util.Browser.safari) {    

        this.addListener(window, 'unload', asual.util.Functions.bindAsListener(unload, this));    

    }

}

asual.SWFAddress = new function() {

    var browser = asual.util.Browser;

    var supported = browser.supported;

    var iframe, form;

    var swfaddr, swfid, swfupdate = false;

    var swftitle = document.title;

    var swflength = history.length;

    var swfhistory = new Array();

    var js = 'swfaddress.js';

    var html = 'swfaddress.html';

    var getHash = function() {

        var index = top.location.href.indexOf('#');

        if (index != -1) {

            return top.location.href.substring(index);

        }

        return '';

    }

    var hash = getHash();

    var listen = function() {

        if (browser.safari) {

            if (swflength != history.length && !swfupdate) {

                swflength = history.length;

                if (typeof swfhistory[swflength - 1] != 'undefined') {

                    hash = swfhistory[swflength - 1];

                }

                update();

            }        

        } else if (browser.ie) {

            if (hash != getHash()) {

                if (browser.version < 7) {

                    top.location.reload();

                } else {

                    asual.SWFAddress.setValue(getHash().replace(/#/g, ''));

                }

            }

            if (top.document.title != swftitle) {

                asual.SWFAddress.setTitle(swftitle);

            }

        } else {

            if (hash != top.location.hash) {

                hash = top.location.hash;

                update();

            }

        }

    }

    var update = function() {

        var addr = hash.replace(/#/g, '');

        if (addr != swfaddr) {

            swfaddr = addr;

            var obj = document[swfid] || document.getElementById(swfid);        

            if (obj) {

                obj.setSWFAddressValue(addr);

            }

        }

    }

    var loadSuccess = function() {

        if (iframe.contentWindow && iframe.contentWindow.location) {

            var win = iframe.contentWindow;

            win.document.title = top.document.title = swftitle;

            var src = win.location.href;

            if (src.indexOf('?') > -1) {

                hash = '#' + src.substring(src.indexOf('?') + 1);

            } else {

                hash = '#';

            }

            if (hash != getHash()) {

                update();            

                top.location.hash = hash;

            }

        }

    }

    var load = function() {

        if (browser.ie || browser.safari) {

            var content = document.createElement('div');

            content.id = 'swfaddress';

            var scripts = document.getElementsByTagName('script');

            for (var i = 0, s; s = scripts[i]; i++) {

                if (s.src.indexOf(js) > -1) {

                    html = (new String(s.src)).replace(js, html);

                }

            }

            content.innerHTML = '<iframe id="swfaddress-iframe" src="' + html + getHash().replace(/#/g, '?') + '" frameborder="no" scrolling="no"></iframe>';

            document.body.appendChild(content);

            content.style.position = 'absolute';

            content.style.left = content.style.top = '-9999px';

            iframe = content.getElementsByTagName('iframe')[0];

        }

        if (browser.ie) {

            asual.util.Events.addListener(iframe, 'load', asual.util.Functions.bindAsListener(loadSuccess, this));  

        }

        if (browser.safari) {

            form = document.createElement('form');

            form.id = 'swfaddress-form';        

            form.method = 'get';

            content.appendChild(form);

            var cookie = asual.util.Cookie.read();

            var swftemp = new Array();

            if (typeof top.document.location.swfaddress == 'undefined') {

                top.document.location.swfaddress = new Object();

            }

            if (typeof top.document.location.swfaddress.history != 'undefined') {

                swftemp = top.document.location.swfaddress.history.split(',');

            } else if (typeof cookie != 'undefined') {

                swftemp = cookie.split(',');

            }

            for (var i = swfhistory.length; i < swftemp.length; i++) {

                swfhistory[i] = swftemp[i];

            }

        }

    }

    var track = function() {

        if (typeof urchinTracker != 'undefined'){

            var path = top.location.pathname + this.getValue();

            path = path.replace(/\/\//, '/');

            path = path.replace(/^\/$/, '');            

            urchinTracker(path);

        }

    }    

    this.getId = function() {

        if (!supported) return null;

        return swfid;

    }

    this.setId = function(id) {

        if (!supported) return null;    

        swfid = id;

    }

    this.getTitle = function() {

        if (!supported) return null;    

        return top.document.title;

    }

    this.setTitle = function(title) {

        if (!supported) return null;

        if (title == 'null') {

            title = '';

        }        

        if (typeof title != 'undefined') {

            swftitle = title;

            top.document.title = swftitle;

        }

    }

    this.getStatus = function() {

        if (!supported) return null;    

        return top.status;

    }

    this.setStatus = function(status) {

        if (!supported) return null;

        if (!browser.safari) {

            if (status == 'null' || typeof status == 'undefined') {

                status = '';

            }        

            var index = top.location.href.indexOf('#');

            if (index == -1) {

                status = top.location.href + '#' + status;

            } else {

                status = top.location.href.substr(0, index) + '#' + status;

            }

            top.status = status;

        }

    }

    this.resetStatus = function() {

        top.status = '';

    }

    this.getValue = function() {

        if (!supported) return null;

        var addr = hash.replace(/#/gi, '');

        return addr;

    }

    this.setValue = function(addr) {

        if (!supported) return null;

        if (addr == 'null') {

            addr = '';

        }

        if (swfaddr == addr) {

            return;

        }

        var checkaddr;

        var obj = document[swfid] || document.getElementById(swfid);

        if (obj) {

            checkaddr = obj.getSWFAddressValue();

            if (checkaddr == 'null') {

                checkaddr = '';

            }

        }

        hash = '#' + addr;

        if (checkaddr == addr) {

            swfaddr = addr;

            update();

        } else {

            update();

            swfaddr = addr;

        }

        if (browser.safari) {

            form.action = hash;

            swfhistory[history.length] = hash;

            top.document.location.swfaddress.history = swfhistory.toString();

            asual.util.Cookie.write(swfhistory.toString());

            swfupdate = true;

            swflength = history.length + 1;            

            form.submit();

            swfupdate = false;

        } else if (checkaddr == addr) {

            top.location.hash = hash;

        }

        if (browser.ie) {

            var win = iframe.contentWindow;

            var query = '?' + getHash().substring(hash.indexOf('#') + 1);

            win.location.assign(win.location.pathname + query);

        }

        track.call(this);

    }    

    if (!supported) {

        return;

    }

    if (browser.safari) {

        for (var i = 1; i < swflength; i++) {

            swfhistory.push('');

        }

        swfhistory.push(top.location.hash);

    }

    if (browser.ie) {

        if (hash == '') {

            top.location.hash = '#';

        } else {

            top.location.hash = getHash();

        }           

    }

    setInterval(listen, 50);

    asual.util.Events.addListener(window, 'load', asual.util.Functions.bindAsListener(load, this));    

    swfaddr = this.getValue();

    track.call(this);

    update.call(this);

}

if (typeof deconcept != 'undefined' && deconcept.SWFObject) {

    asual.SWFAddressObject = asual.util.Functions.extend(deconcept.SWFObject, 

        function(swf, id, w, h, ver, c, quality, xiRedirectUrl, redirectUrl, detectKey) {

        asual.SWFAddressObject.superConstructor.apply(this, arguments);

        asual.SWFAddress.setId(id);

    });    

    SWFObject = deconcept.SWFObject = asual.SWFAddressObject;    

}

SWFAddress = asual.SWFAddress;