//
// Initialization script for Unreal Media Player 5.0
// Compatible with Internet Explorer and Mozilla
//
var isIE  = window.ActiveXObject != null;
var isMoz = document.implementation && document.implementation.createDocument;

function EventHandler()
    {
    // Default event handlers - can be overridden
    this.OnResize = function OnResize(width, height) { }
    this.OnStart = function OnStart() { }
    this.OnPause = function OnPause(state) { }
    this.OnStop = function OnStop(toBeContinued) { }
    this.OnError = function OnError(errorType, errorID) { }
    }

function PlayerObject(id)
    {
    this.object = null;
    this.id = id;
    this.eventHandler = new EventHandler();

    this.getId = function getId()
	{
        return this.id;
	}

    this.getDivId = function getDivId()
	{
        return "div" + this.id;
	}

    this.createPlayer = function createPlayer(width, height)
        {
        var divTag = document.getElementById(this.getDivId());
        if (divTag == null)
            {
            document.write("<div id=\"" + this.getDivId() + "\"></div>");
            divTag = document.getElementById(this.getDivId());
            }

        var objectHTML = "<obj" + "ect id=\""+ this.getId() + "\" width=" + width + " height=" + height + " ";
        if (isIE)
            {
            objectHTML += " classid=\"clsid:26522409-8BBF-4c5b-A4D3-CF4B1D6F255B\" ";
            objectHTML += " codebase=\"http://www.umediaserver.net/bin/UMediaControl5.cab#version=5,0,0,160\">";
            }
        else if (isMoz)
            {
            objectHTML += " type=\"application/x-umediaplayer5\"> ";
            objectHTML += "<h3>The Unreal Media Player 5 plugin is required in order to view our site.<br><br>";
            objectHTML += "Please <a href='javascript:InstallPlayer()'>Click here</a> to install this plugin.<br><br>";
            objectHTML += "Please reload this page after the installation completes.</h3>";
            }

        else
            {
            objectHTML += "<h1>UMediaPlayer 5.0 is not supported in this browser.</h1>";
            }

        objectHTML += " </obj" + "ect>";
        divTag.innerHTML = objectHTML;
        this.object = document.getElementById(this.getId());
        }

    this.testObject = function testObject()
	{
        try
            {
            if (isIE)
                {
                var test = this.object.MediaName;
                return (test != null);
                }

            var err = this.object.Ping();
            if (err == 0)
                return true;
            
            if (err == 1)
                alert("Mozilla failed to call UMediaPlayer. Please reinstall the plugin.")
            else if (err == 2)
                    alert("Failed to create UMediaPlayer control, please reinstall the plugin.")
            }
        catch (e) { }
        return false;
	}

    this.attachEvents = function attachEvents()
        {
        if (isIE)
            {
            this.object.attachEvent("onresize", this.eventHandler.OnResize);
            this.object.attachEvent("onstart", this.eventHandler.OnStart);
            this.object.attachEvent("onpause", this.eventHandler.OnPause);
            this.object.attachEvent("onstop", this.eventHandler.OnStop);
            this.object.attachEvent("onerror", this.eventHandler.OnError);
            }
        else if (isMoz)
            {
            this.object.AttachEvents(this.eventHandler);
            }
        else
            throw("Browser is not supported");
        }

    this.initPlayer = function initPlayer()
	{
        if (this.testObject())
            this.attachEvents();
	}
    }

function installCallback(url, status)
    {
    // Reload the current page if installed successfully
    if (status == 0)
        {
        if (typeof(OnInstall) == "function")
            OnInstall();
        }
    else if (status == 999)
        alert("Please restart the brower in order to continue");
    else
        alert("Unreal Media Player plugin failed to install");
    }

function InstallPlayer()
    {
    xpi = { "Unreal Media Player 5.0" : "http://www.umediaserver.net/bin/UMediaPlayer5.xpi" };
//  xpi = { "Unreal Media Player 5.0" : "http://www.csystems.co.il/umediaplayer/download/UMediaPlayer5.xpi" };
    InstallTrigger.install(xpi, installCallback);
    }