//    Copyright (c) Microsoft Corporation.  All rights reserved.

//-----------------------------------------------------------------
// PlayerDetection.js                                              
//										                           
// Purpose:                                                        
//   Javascript library of functions used by Sample.htm.  Each
//   function is commented as to its purpose.            
//-----------------------------------------------------------------


//------------------------
//-- Global Vars 
//------------------------
var WMPVer = "unknown";       // Set to WMP version string detected
var fHasWMP = false;          // True if either WMP v6.4 or v7+ found
var fHasWMP64 = false;        // True if WMP v6.4 found
var fHasWMP7 = false;         // True if WMP v7+ (8, 9) found
var fAppletRunning = false;   // True if v9 Applet is in use
var fPluginRunning = false;   // True if v6.4 Netscape plugin is in use

//-----------------------------------------------
// Name:  GetBrowser
// Purpose: Get Browser Information
//-----------------------------------------------
function GetBrowser()
{
   var agt=navigator.userAgent.toLowerCase();
   if( ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)) )
       return "IE";
   else if( ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
         && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
         && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)) )
       return "Netscape";
   else
       return "unknown";
}


//------------------------------------------------
// Name:  GetPlayerMajorVer
// Purpose: Get Media Player Major Version Number
//------------------------------------------------
function GetPlayerMajorVer()
{
	var strVer = new String(WMPVer);
	s = strVer.split(".");
    return s[0];
}


//-------------------------------------------------
// Name:  GetPlayerMinorVer
// Purpose: Get Media Player Minor Version Number.
//-------------------------------------------------
function GetPlayerMinorVer()
{
	var strVer = new String(WMPVer);
	s = strVer.split(".");
	if (s[1])
		return s[1];
	else
		return("unknown");
}


//-----------------------------------------------------------------
// Name: IsNSPluginInstalled
// Purpose: Checks mime types to determine if the WMP 6.4 Netscape 
//          Plugin is installed.
//-----------------------------------------------------------------
function IsNSPluginInstalled()
{
    // See if 6.4 pluggin installed
    if (navigator.mimeTypes && navigator.mimeTypes["application/x-mplayer2"] && navigator.mimeTypes["application/x-mplayer2"].enabledPlugin)
		return(true);
	else
		return(false);
}


//---------------------------------------------------------------------
// Name:  AddDownloadLink
// Purpose:  Add WMP v11 download link if an older version of WMP 
//           detected.
//---------------------------------------------------------------------
function AddDownloadLink(MajorVer)
{
 if (!(MajorVer) || MajorVer=="unknown" || MajorVer<9)
  {
   document.write('<div id="bigtab"><div id="bigtabtop"><div id="bigtablft"><div id="bigtabrgt"><div id="bigtabbot"><div id="bigtab1"><div id="bigtab2"><div id="bigtab3"><div id="bigtab4">');
   document.write('<span class="pl_det">Please make sure you have the latest Windows Media Player.<br><a href="http://windowsmedia.com/download" target="_blank"><img src="images/WMP.gif" alt="Download Windows Media Player" border="0" width="88" height="31"></a></span>');
   document.write('</div></div></div></div></div></div></div></div></div>');
  }
}