function isMPInstalled() {
	var mpInstalled = false;
	mpObj = 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")>-1) {
				mpInstalled = true;
			}
		}
	} else {
		execScript('on error resume next: mpObj = IsObject(CreateObject("MediaPlayer.MediaPlayer.1"))', 'VBScript');
		mpInstalled = mpObj;
	}
	return mpInstalled;
}
function isFirefox() {
	var agt = navigator.userAgent.toLowerCase();
	if (agt.indexOf("firefox") != -1) {
		return true;
	} else {
		return false;
	}
}
function getMediaPlayer() {
	return document.getElementById('musicPlayer');
}
function getMediaContainer() {
	return document.getElementById('musicPlayerContainer');
}
function getFlashPlayer() {
	return document.getElementById('flsh_Navigation');
}
function clearSong() {
	document.getElementById('musicPlayerContainer').innerHTML = "";
}
function stopAudio() {
	clearSong();
}
function playAudio() {
	playAudioFile(window._currentAudioFile);
}
function playAudioFile(src) {
	window._currentAudioFile = src;
	var wmpstring = '<object width="0" height="0" id="musicPlayer" codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701" '+'type="application/x-oleobject" standby="Loading Microsoft windows media player components..." classid="CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95">'+'<param name="filename" value="'+src+'">'+'<param name="ShowControls" value="0">'+'<param name="ShowStatusBar" value="0">'+'<param name="ShowDisplay" value="0">'+'<param name="DefaultFrame" value="Slide">'+'<param name="Autostart" value="1">'+'<param name="Loop" value="False">'+'<embed id="musicPlayer" width="0" height="0" filename="'+src+'" src="'+src+'" type="video/x-ms-asf-plugin" transparentatstart="true" SendOpenStateChangeEvents="true" showstatusbar="0" showdisplay="0" autosize="0" autorewind="0" animationstart="0" autostart="1" showcontrols="0">'+'</object>';
	document.getElementById("musicPlayerContainer").innerHTML = wmpstring;
}