var wmpJukebox = new Array();
var wmpJukeboxStartUrl = ""
var wmpJukeboxStartOffset = ""
var wmpAutoStart = true;
var wmpDebug = false;
var wmplayer = null;

function IsWMPInstalled() {

	var wmpInstalled = false;
	
	wmpObj = false;
	if (navigator.plugins && navigator.plugins.length) {
		for (var i=0; i < navigator.plugins.length; i++ ) {
         var plugin = navigator.plugins[i];
         if (plugin.name.indexOf("Windows Media Player") > -1) {
			wmpInstalled = true;
         }
      }
	} else {
		execScript('on error resume next: wmpObj = IsObject(CreateObject("MediaPlayer.MediaPlayer.1"))','VBScript');
		wmpInstalled = wmpObj;
	}
	return wmpInstalled;
}	

function TimeToSeconds(aTime)
{
	var timearray;
	var result = 0;

	timearray = aTime.split(":");
	result = (Number(timearray[0] * 3600) + Number(timearray[1] * 60) + Number(timearray[2]));
	return  result;
}

function wmpSetStatusMessage(aStatus)
{
	if (document.getElementById('player_status') != null) 
		document.getElementById('player_status').innerHTML = aStatus;
}

function WMPCreate(aContainer,aAutoStart) 
{
	var wmplayerobj  = '';
	
	// Windows Media Player 7 o posterior
	
	if (BrowserDetect.browser == 'Explorer')  {
		wmplayerobj = '<OBJECT id="wmplayer" type="application/x-oleobject" classid="clsid:6BF52A52-394A-11d3-B153-00C04F79FAA6" width=100% height=100%>';
		wmplayerobj = wmplayerobj + ' <param name="autostart" value="true" >';
		wmplayerobj = wmplayerobj + HtmlBox('Se necesita el plugin Windows Media para su navegador.');
		wmplayerobj = wmplayerobj + ' </OBJECT>';
	}
	else if (BrowserDetect.browser == 'Firefox') {
		wmplayerobj = '<OBJECT id="wmplayer" type="application/x-ms-wmp" width=100% height=100%>'; 
		wmplayerobj = wmplayerobj + ' <param name="autostart" value="true" >';
		wmplayerobj = wmplayerobj + HtmlBox('Se necesita el plugin de <a href="http://port25.technet.com/pages/windows-media-player-firefox-plugin-download.aspx">Windows Media</a> para Firefox.');
		wmplayerobj = wmplayerobj + ' </OBJECT>';
	}
	else {
        wmplayerobj = '<object id="wmplayer" type="application/x-ms-wmp" width="100%" height="100%">';
		wmplayerobj = wmplayerobj + ' <param name="autoStart" value="1">';
		wmplayerobj = wmplayerobj + HtmlBox('Se necesita el plugin de <a href="http://port25.technet.com/pages/windows-media-player-firefox-plugin-download.aspx">Windows Media</a> para su navegador.');
        wmplayerobj = wmplayerobj + ' </object>	';	
	}

	document.getElementById(aContainer).innerHTML = wmplayerobj;
	wmplayer = document.getElementById('wmplayer');
		
	return true;
}

function WMPCreateStream(aStreamId,aMediaType,aStreamURL,aClipIn) {
	this.ID = aStreamId;
	this.MediaType = aMediaType;
	this.URL = aStreamURL;
	this.ClipIn = aClipIn
}

function WMPAddStream(aStreamId,aMediaType,aStreamURL) {
	wmpJukebox[wmpJukebox.length] = new WMPCreateStream(aStreamId,aMediaType,aStreamURL,'0');
}

function WMPAddClippedStream(aStreamId,aMediaType,aStreamURL,aClipIn) {
	wmpJukebox[wmpJukebox.length] = new WMPCreateStream(aStreamId,aMediaType,aStreamURL,aClipIn);
}

function WMPPlayOffset(aID,aOffset)
{
	//alert('WMPPlayOffset '+aID+', '+aOffset);
	
	if (wmpJukebox.length > 0) {
		if ((aID == -1) && (wmpJukeboxStartUrl != '')) {
			if (wmpJukeboxStartUrl != '')
				WMPPlayURLOffset(wmpJukeboxStartUrl,wmpJukeboxStartOffset);	
		}
		else {
			var k = -1;

			/*if ((aID >= 0) && (aID < wmpJukebox.length)) {*/
				for (var i = 0; i<wmpJukebox.length;i++) {
					if (wmpJukebox[i].ID == aID) {
						k = i;
					}
				}	
			/*}*/
			
			if (k == -1) {
				k = 0;
			}
			
			if (k != -1) {			 
				WMPPlayURLOffset(wmpJukebox[k].URL,aOffset);
			}
		}
	}
	else
		alert('El archivo de medios no está disponible ');
}

function WMPPlay(aID)
{
	WMPPlayOffset(aID,'00:00:00')
}

function WMPPlayURL(aMediaURL)
{
	WMPPlayURLOffset(aMediaURL,'00:00:00')
}

function WMPPlayURLOffset(aMediaURL,aOffset)
{
	//alert('WMPPlayURLOffset : url= '+aMediaURL+', offset= '+aOffset);
	wmpSetStatusMessage('');		
	
	if (wmplayer != null) {
		//wmplayer.controls.stop(); 
		if (aMediaURL != '') {
			if (BrowserDetect.browser == 'Explorer')  {
				if (document.wmplayer.URL != aMediaURL)
					document.wmplayer.URL = aMediaURL;
				document.wmplayer.controls.currentPosition =  TimeToSeconds(aOffset);
			}
			else {			
				if (wmplayer.URL != aMediaURL)
					wmplayer.URL = aMediaURL;
				wmplayer.controls.currentPosition =  TimeToSeconds(aOffset);
			}
		}
		else {
			if (BrowserDetect.browser == 'Explorer')  {
				document.wmplayer.controls.currentPosition =  TimeToSeconds(aOffset);
			}
			else {
				wmplayer.controls.currentPosition =  TimeToSeconds(aOffset);
			}
		}
		//wmplayer.controls.play();
		if (wmpDebug) 
			wmpSetStatusMessage('url= '+aMediaURL +', offset= '+aOffset);
		else
			wmpSetStatusMessage('');
		
		// Avisar si el streaming es sólo de audio
		var k = -1;
		for (var i = 0; i<wmpJukebox.length;i++) {
			if (wmpJukebox[i].URL == aMediaURL) {
				k = i;
			}
		}	
		
		if (k != -1) {			 
			if (wmpJukebox[k].MediaType == 'audio/mp3')
				 wmpSetStatusMessage('El archivo de medios no contiene imagen de video.');		
		}
	}
	else {
		wmpSetStatusMessage('No se pudo cargar el complemento de Windows Media para este navegador.');
		alert('No se pudo cargar el complemento de Windows Media para este navegador.');
	}
}

function WMPSetStart(aUrl,aOffset)
{
  //alert('WMPSetStart '+aUrl+', '+aOffset);	
  wmpJukeboxStartUrl = aUrl
  wmpJukeboxStartOffset = aOffset
}