///////////////////////////////////////////////////////////////////////////////
//
//  Silverlight.js   			version 2.0.30523.6
//
//  This file is provided by Microsoft as a helper file for websites that
//  incorporate Silverlight Objects. This file is provided under the Microsoft
//  Public License available at 
//  http://code.msdn.microsoft.com/silverlightjs/Project/License.aspx.  
//  You may not use or distribute this file or the code in this file except as 
//  expressly permitted under that license.
// 
//  Copyright (c) Microsoft Corporation. All rights reserved.
//
///////////////////////////////////////////////////////////////////////////////

if (!window.Silverlight)
{
    window.Silverlight = { };
}

//////////////////////////////////////////////////////////////////
//
// _silverlightCount:
//
// Counter of globalized event handlers
//
//////////////////////////////////////////////////////////////////
Silverlight._silverlightCount = 0;

//////////////////////////////////////////////////////////////////
//
// fwlinkRoot:
//
// Prefix for fwlink URL's
//
//////////////////////////////////////////////////////////////////
Silverlight.fwlinkRoot='http://go2.microsoft.com/fwlink/?LinkID=';

//////////////////////////////////////////////////////////////////
//  
// onGetSilverlight:
//
// Called by Silverlight.GetSilverlight to notify the page that a user
// has requested the Silverlight installer
//
//////////////////////////////////////////////////////////////////
Silverlight.onGetSilverlight = null;

//////////////////////////////////////////////////////////////////
//
// onSilverlightInstalled:
//
// Called by Silverlight.WaitForInstallCompletion when the page detects
// that Silverlight has been installed. The event handler is not called
// in upgrade scenarios.
//
//////////////////////////////////////////////////////////////////
Silverlight.onSilverlightInstalled = function () {window.location.reload(false);};

//////////////////////////////////////////////////////////////////
//
// isInstalled:
//
// Checks to see if the correct version is installed
//
//////////////////////////////////////////////////////////////////
Silverlight.isInstalled = function(version)
{
    var isVersionSupported=false;
    var container = null;
    
    try 
    {
        var control = null;
        
        try
        {
            control = new ActiveXObject('AgControl.AgControl');
            if ( version == null )
            {
                isVersionSupported = true;
            }
            else if ( control.IsVersionSupported(version) )
            {
                isVersionSupported = true;
            }
            control = null;
        }
        catch (e)
        {
            var plugin = navigator.plugins["Silverlight Plug-In"] ;
            if ( plugin )
            {
                if ( version === null )
                {
                    isVersionSupported = true;
                }
                else
                {
                    var actualVer = plugin.description;
                    if ( actualVer === "1.0.30226.2")
                        actualVer = "2.0.30226.2";
                    var actualVerArray =actualVer.split(".");
                    while ( actualVerArray.length > 3)
                    {
                        actualVerArray.pop();
                    }
                    while ( actualVerArray.length < 4)
                    {
                        actualVerArray.push(0);
                    }
                    var reqVerArray = version.split(".");
                    while ( reqVerArray.length > 4)
                    {
                        reqVerArray.pop();
                    }
                    
                    var requiredVersionPart ;
                    var actualVersionPart
                    var index = 0;
                    
                    
                    do
                    {
                        requiredVersionPart = parseInt(reqVerArray[index]);
                        actualVersionPart = parseInt(actualVerArray[index]);
                        index++;
                    }
                    while (index < reqVerArray.length && requiredVersionPart === actualVersionPart);
                    
                    if ( requiredVersionPart <= actualVersionPart && !isNaN(requiredVersionPart) )
                    {
                        isVersionSupported = true;
                    }
                }
            }
        }
    }
    catch (e) 
    {
        isVersionSupported = false;
    }
    if (container) 
    {
        document.body.removeChild(container);
    }
    
    return isVersionSupported;
}
//////////////////////////////////////////////////////////////////
//
// WaitForInstallCompletion:
//
// Occasionally checks for Silverlight installation status. If it
// detects that Silverlight has been installed then it calls
// Silverlight.onSilverlightInstalled();. This is only supported
// if Silverlight was not previously installed on this computer.
//
//////////////////////////////////////////////////////////////////
Silverlight.WaitForInstallCompletion = function()
{
    if ( ! Silverlight.isBrowserRestartRequired && Silverlight.onSilverlightInstalled )
    {
        try
        {
            navigator.plugins.refresh();
        }
        catch(e)
        {
        }
        if ( Silverlight.isInstalled(null) )
        {
            Silverlight.onSilverlightInstalled();
        }
        else
        {
              setTimeout(Silverlight.WaitForInstallCompletion, 3000);
        }    
    }
}
//////////////////////////////////////////////////////////////////
//
// __startup:
//
// Performs startup tasks
//////////////////////////////////////////////////////////////////
Silverlight.__startup = function()
{
    Silverlight.isBrowserRestartRequired = Silverlight.isInstalled(null);
    if ( !Silverlight.isBrowserRestartRequired)
    {
        Silverlight.WaitForInstallCompletion();
    }
    if (window.removeEventListener) { 
       window.removeEventListener('load', Silverlight.__startup , false);
    }
    else { 
        window.detachEvent('onload', Silverlight.__startup );
    }
}

if (window.addEventListener) 
{
    window.addEventListener('load', Silverlight.__startup , false);
}
else 
{
    window.attachEvent('onload', Silverlight.__startup );
}

///////////////////////////////////////////////////////////////////////////////
// createObject:
//
// Inserts a Silverlight <object> tag or installation experience into the HTML
// DOM based on the current installed state of Silverlight. 
//
/////////////////////////////////////////////////////////////////////////////////

Silverlight.createObject = function(source, parentElement, id, properties, events, initParams, userContext)
{
    var slPluginHelper = new Object();
    var slProperties = properties;
    var slEvents = events;
    
    slPluginHelper.version = slProperties.version;
    slProperties.source = source;    
    slPluginHelper.alt = slProperties.alt;
    
    //rename properties to their tag property names. For bacwards compatibility
    //with Silverlight.js version 1.0
    if ( initParams )
        slProperties.initParams = initParams;
    if ( slProperties.isWindowless && !slProperties.windowless)
        slProperties.windowless = slProperties.isWindowless;
    if ( slProperties.framerate && !slProperties.maxFramerate)
        slProperties.maxFramerate = slProperties.framerate;
    if ( id && !slProperties.id)
        slProperties.id = id;
    
    // remove elements which are not to be added to the instantiation tag
    delete slProperties.ignoreBrowserVer;
    delete slProperties.inplaceInstallPrompt;
    delete slProperties.version;
    delete slProperties.isWindowless;
    delete slProperties.framerate;
    delete slProperties.data;
    delete slProperties.src;
    delete slProperties.alt;


    // detect that the correct version of Silverlight is installed, else display install

    if (Silverlight.isInstalled(slPluginHelper.version))
    {
        //move unknown events to the slProperties array
        for (var name in slEvents)
        {
            if ( slEvents[name])
            {
                if ( name == "onLoad" && typeof slEvents[name] == "function" && slEvents[name].length != 1 )
                {
                    var onLoadHandler = slEvents[name];
                    slEvents[name]=function (sender){ return onLoadHandler(document.getElementById(id), userContext, sender)};
                }
                var handlerName = Silverlight.__getHandlerName(slEvents[name]);
                if ( handlerName != null )
                {
                    slProperties[name] = handlerName;
                    slEvents[name] = null;
                }
                else
                {
                    throw "typeof events."+name+" must be 'function' or 'string'";
                }
            }
        }
        slPluginHTML = Silverlight.buildHTML(slProperties);
    }
    //The control could not be instantiated. Show the installation prompt
    else 
    {
        slPluginHTML = Silverlight.buildPromptHTML(slPluginHelper);
    }

    // insert or return the HTML
    if(parentElement)
    {
        parentElement.innerHTML = slPluginHTML;
    }
    else
    {
        return slPluginHTML;
    }

}

///////////////////////////////////////////////////////////////////////////////
//
//  buildHTML:
//
//  create HTML that instantiates the control
//
///////////////////////////////////////////////////////////////////////////////
Silverlight.buildHTML = function( slProperties)
{
    var htmlBuilder = [];

    htmlBuilder.push('<object type=\"application/x-silverlight\" data="data:application/x-silverlight,"');
    if ( slProperties.id != null )
    {
        htmlBuilder.push(' id="' + slProperties.id + '"');
    }
    if ( slProperties.width != null )
    {
        htmlBuilder.push(' width="' + slProperties.width+ '"');
    }
    if ( slProperties.height != null )
    {
        htmlBuilder.push(' height="' + slProperties.height + '"');
    }
    htmlBuilder.push(' >');
    
    delete slProperties.id;
    delete slProperties.width;
    delete slProperties.height;
    
    for (var name in slProperties)
    {
        if (slProperties[name])
        {
            htmlBuilder.push('<param name="'+Silverlight.HtmlAttributeEncode(name)+'" value="'+Silverlight.HtmlAttributeEncode(slProperties[name])+'" />');
        }
    }
    htmlBuilder.push('<\/object>');
    return htmlBuilder.join('');
}



//////////////////////////////////////////////////////////////////
//
// createObjectEx:
//
// takes a single parameter of all createObject 
// parameters enclosed in {}
//
//////////////////////////////////////////////////////////////////

Silverlight.createObjectEx = function(params)
{
    var parameters = params;
    var html = Silverlight.createObject(parameters.source, parameters.parentElement, parameters.id, parameters.properties, parameters.events, parameters.initParams, parameters.context);
    if (parameters.parentElement == null)
    {
        return html;
    }
}

///////////////////////////////////////////////////////////////////////////////////////////////
//
// buildPromptHTML
//
// Builds the HTML to prompt the user to download and install Silverlight
//
///////////////////////////////////////////////////////////////////////////////////////////////
Silverlight.buildPromptHTML = function(slPluginHelper)
{
    var slPluginHTML = "";
    var urlRoot = Silverlight.fwlinkRoot;
    var shortVer = slPluginHelper.version ;
    if ( slPluginHelper.alt )
    {
        slPluginHTML = slPluginHelper.alt;
    }
    else
    {
        if (! shortVer )
        {
            shortVer="";
        }
			
		slPluginHTML = "<a href='javascript:Silverlight.getSilverlight(\"{1}\");' style='text-decoration: none;'><img src='{2}' alt='Get Microsoft Silverlight' style='border-style: none'/></a>";
        slPluginHTML = slPluginHTML.replace('{1}', shortVer );
        slPluginHTML = slPluginHTML.replace('{2}', urlRoot + '108181');
		if (confirm("!!!Attenzione!!!\nLo streaming di RTL 102.5 necessita del plugin Microsoft Silverlight.\nClicca il pulsante \"Ok\" per procedere con l'installazione di Microsoft Silverlight, oppure \"Annulla\" per utilizzare il vecchio player.\n\nSe riscontri dei problemi nell'installazione del plugin clicca sulla scritta 'Utilizza il vecchio player'.")){
			Silverlight.getSilverlight(shortVer);
		}
		else{
			window.location = location.href.replace(/\/player\//,"/player/old\/");
		}
    }
    
    return slPluginHTML;
}

///////////////////////////////////////////////////////////////////////////////////////////////
//
// getSilverlight:
//
// Navigates the browser to the appropriate Silverlight installer
//
///////////////////////////////////////////////////////////////////////////////////////////////
Silverlight.getSilverlight = function(version)
{
    if (Silverlight.onGetSilverlight )
    {
        Silverlight.onGetSilverlight();
    }
    
    var shortVer = "";
    var reqVerArray = String(version).split(".");
    if (reqVerArray.length > 1)
    {
        var majorNum = parseInt(reqVerArray[0] );
        if ( isNaN(majorNum) || majorNum < 2 )
        {
            shortVer = "1.0";
        }
        else
        {
            shortVer = reqVerArray[0]+'.'+reqVerArray[1];
        }
    }
    
    var verArg = "";
    
    if (shortVer.match(/^\d+\056\d+$/) )
    {
        verArg = "&v="+shortVer;
    }
    
    Silverlight.followFWLink("114576" + verArg);
}


///////////////////////////////////////////////////////////////////////////////////////////////
//
// followFWLink:
//
// Navigates to a url based on fwlinkid
//
///////////////////////////////////////////////////////////////////////////////////////////////
Silverlight.followFWLink = function(linkid)
{
    top.location=Silverlight.fwlinkRoot+String(linkid);
}

///////////////////////////////////////////////////////////////////////////////////////////////
//
// HtmlAttributeEncode:
//
// Encodes special characters in input strings as charcodes
//
///////////////////////////////////////////////////////////////////////////////////////////////
Silverlight.HtmlAttributeEncode = function( strInput )
{
      var c;
      var retVal = '';

    if(strInput == null)
      {
          return null;
    }
      
      for(var cnt = 0; cnt < strInput.length; cnt++)
      {
            c = strInput.charCodeAt(cnt);

            if (( ( c > 96 ) && ( c < 123 ) ) ||
                  ( ( c > 64 ) && ( c < 91 ) ) ||
                  ( ( c > 43 ) && ( c < 58 ) && (c!=47)) ||
                  ( c == 95 ))
            {
                  retVal = retVal + String.fromCharCode(c);
            }
            else
            {
                  retVal = retVal + '&#' + c + ';';
            }
      }
      
      return retVal;
}
///////////////////////////////////////////////////////////////////////////////
//
//  default_error_handler:
//
//  Default error handling function 
//
///////////////////////////////////////////////////////////////////////////////

Silverlight.default_error_handler = function (sender, args)
{
    var iErrorCode;
    var errorType = args.ErrorType;

    iErrorCode = args.ErrorCode;

    var errMsg = "\nSilverlight error message     \n" ;

    errMsg += "ErrorCode: "+ iErrorCode + "\n";


    errMsg += "ErrorType: " + errorType + "       \n";
    errMsg += "Message: " + args.ErrorMessage + "     \n";

    if (errorType == "ParserError")
    {
        errMsg += "XamlFile: " + args.xamlFile + "     \n";
        errMsg += "Line: " + args.lineNumber + "     \n";
        errMsg += "Position: " + args.charPosition + "     \n";
    }
    else if (errorType == "RuntimeError")
    {
        if (args.lineNumber != 0)
        {
            errMsg += "Line: " + args.lineNumber + "     \n";
            errMsg += "Position: " +  args.charPosition + "     \n";
        }
        errMsg += "MethodName: " + args.methodName + "     \n";
    }
    alert (errMsg);
}

///////////////////////////////////////////////////////////////////////////////////////////////
//
// __cleanup:
//
// Releases event handler resources when the page is unloaded
//
///////////////////////////////////////////////////////////////////////////////////////////////
Silverlight.__cleanup = function ()
{
    for (var i = Silverlight._silverlightCount - 1; i >= 0; i--) {
        window['__slEvent' + i] = null;
    }
    Silverlight._silverlightCount = 0;
    if (window.removeEventListener) { 
       window.removeEventListener('unload', Silverlight.__cleanup , false);
    }
    else { 
        window.detachEvent('onunload', Silverlight.__cleanup );
    }
}

///////////////////////////////////////////////////////////////////////////////////////////////
//
// __getHandlerName:
//
// Generates named event handlers for delegates.
//
///////////////////////////////////////////////////////////////////////////////////////////////
Silverlight.__getHandlerName = function (handler)
{
    var handlerName = "";
    if ( typeof handler == "string")
    {
        handlerName = handler;
    }
    else if ( typeof handler == "function" )
    {
        if (Silverlight._silverlightCount == 0)
        {
            if (window.addEventListener) 
            {
                window.addEventListener('onunload', Silverlight.__cleanup , false);
            }
            else 
            {
                window.attachEvent('onunload', Silverlight.__cleanup );
            }
        }
        var count = Silverlight._silverlightCount++;
        handlerName = "__slEvent"+count;
        
        window[handlerName]=handler;
    }
    else
    {
        handlerName = null;
    }
    return handlerName;
}