JavaScript - Help With An Audio Analyser Script

function EvalSound()
	{
    var sound1 = document.getElementById("sound1");
		var choice = sound1.options[sound1.selectedIndex].value; 
		 var sound2 = document.getElementById("sound2");
		var choice2 = sound2.options[sound2.selectedIndex].value;
		var pic1 =   document.getElementById("first_pic");
		var pic2 =   document.getElementById("second_pic");
	
		soundManager.play(choice);
    soundManager.play(choice2);
	}

// ===== VARIABLES =====
var isPlaying = false;
var curNote = 0;
var curTempo = 100;

// ===== FUNCTIONS =====
// playTune: Play the next note!
function playTune() {
	if (isPlaying !== false) {
		var nextNote = 60000 / curTempo / 4;
		// Turn off all lights on the tracker's row
		$("#tracker li.track").removeClass("active");
		// Light up the tracker on the current track
		$("#tracker li.track.col_" + curNote).addClass("active");
		// Find each active note, play it
		var tmpAudio;
		$(".playBar[id^=control] li.track.active.col_" + curNote).each(function(i){
			tmpAudio = document.getElementById($(this).data('sound_id'));
			if (!tmpAudio.paused) {
				// Pause and reset it
				tmpAudio.pause();
				tmpAudio.currentTime = 0.0;
			}
			tmpAudio.play();
		});
		// Move the track forward
		curNote = (curNote + 1) % 16;
	} // if (isPlaying)
} // playTune

// Make a new hash
function buildHash() {
	// Start it
	var newhash = '';
	// For each track, check and add in a 0/1 as appropriate
	$(".playBar[id^=control] li.track").each(function(i){
		newhash += $(this).is('.active') ? '1' : '0';
	});
	// Separate it
	newhash += '|';
	// Now, toss in the note
	newhash += $('#temposlider').slider('value');
	// Check and see if we really need to update
	if (location.hash != '#' + newhash) location.hash = newhash;
} // buildHash

// Read in our hash
function parseHash() {
	if (location.hash.length > 0) {
		// Split it up, work it out, removing the actual hashmark
		var pieces = location.hash.substring(1).split('|');
		// Set the lights
		var lights = pieces[0];
		$(".playBar[id^=control] li.track").each(function(i){
			// Make sure we haven't exceeded
			if (i >= lights.length) return false;
			// Check our location, turn on class if need be
			if (lights.charAt(i) == '1') {
				$(this).addClass('active');
			}
		});
		// Set the tempo
		if (typeof pieces[1] !== 'undefined') {
			$('#temposlider').slider('value', parseInt(pieces[1]));
			$('#tempovalue').innerHTML = pieces[1];
			curTempo = parseInt(pieces[1]);
		}
	}
} // parseHash

// Clear it!
function clearAll() {
	$(".playBar[id^=control] li.active").removeClass('active');
}

// Run on DOM ready
$(document).ready(function(){
	// Process each of the audio items, creating a playlist sort of setup
	$("audio").each(function(i){
		// Make a self reference for ease of use in click events
		var self = this;

		// Make a sub-list for our control
		var $ul = $('<ul id="control_' + this.id + '" class="playBar">');
		$ul.append('<li class="header">' + this.title + '</li>');
		// Add 16 list items!
		for (j = 0; j < 16; j++) {
			var $li =
				$('<li class="track col_'+j+'">'+self.id+'</li>')
				.click(function(){
					$(this).toggleClass('active');
					buildHash();
				})
				.data('sound_id', self.id);
			$ul.append($li);
		} // for (i = 0; i < 16; i++)
		// Append it up
		$('<li>').append($ul).appendTo('#lights');
	});

	// Bind up a click for our button
	$("#soundstart").click(function(){
		if (isPlaying === false) {
			// Start the playing!
			curNote = 0;
			isPlaying = setInterval(playTune, 60000 / curTempo / 4);
			// Change our display
			this.innerHTML = "Stop";
		} else {
			clearInterval(isPlaying);
			isPlaying = false;
			$("#tracker li.track").removeClass("active");
			$("audio").each(function(){
				this.pause();
				this.currentTime = 0.0;
			});
			this.innerHTML = "Play";
		}
	});

	$('#clearall').click(clearAll);
	$('#reload').click(parseHash);

	// ===== Misc =====
	// Build or read the hash
	if (location.hash == '') {
		// I was building this at load - but now, no, just to be safe
		//buildHash();
	} else {
		parseHash();
	}

	// Show our value, now that we've built off of the hash
	$('#tempovalue').html(curTempo);
	// Make our tempo slider
	$('#temposlider').slider({
		'value': curTempo,
		'min': 30,
		'max': 170,
		'step': 2,
		'slide': function(e, ui) {
			curTempo = ui.value;
			$('#tempovalue').html(curTempo);
			if (isPlaying !== false) {
				clearInterval(isPlaying);
				isPlaying = setInterval(playTune, 60000 / curTempo / 4);
			}
		},
		'stop': function(e, ui) {
			buildHash();
		}
	});
});

<audio controls="controls">
  <source src="BlackHawkDown-MusicVideo-Frontline.wav" type="audio/wav" />
  <source src="BlackHawkDown-MusicVideo-Frontline.mp3" type="audio/mpeg" />
  Your browser does not support the audio element.
</audio>

<script>
    document.addEventListener("deviceready", onDeviceReady, false);
    function onDeviceReady() {}

    // Audio player
    var media = null;
    var audioP = false;

    // Play audio
    function playAudio(src) {
        if (audioP === false) {
        media = new Media(src, onSuccess, onError);
        media.play();
        audioP = true;

    } else {
        media.release();
        }
    }

    // onSuccess Callback
    function onSuccess() {
        console.log("playAudio():Audio Success");
        audioP = false;
    }

    // onError Callback
    function onError(error) {}      
    </script>

var audioElement = document.createElement('audio');
audioElement.setAttribute('src', 'horse.ogg');
audioElement.play();

<audio src="filename[need date here].mp3" id="audio"></audio>
<input type="range" step="any" id="seekbar"></input>

'//In child page header 

  <script src="../swfObject/swfobject.js" type="text/javascript"></script>
  <script type="text/javascript"> 
     var params = { allowScriptAccess: "always" }; 
     var atts = { id: "myytplayer", name: "myytplayer" };
     swfobject.embedSWF("http://www.youtube.com/e/GtHDrLngXlc?enablejsapi=1&playerapiid=myytplayer", "myytplayer", "425", "344", "8", null, null, params, atts); 

    function stopVideo() {
      var playerObj = document.getElementById("myytplayer");
      if (playerObj) {
        playerObj.stopVideo();
        playerObj.clearVideo();
      }
    } 
  </script>


'//in child page html
        <asp:ImageButton ID="imgBtnAmanda" runat="server" ImageAlign="Middle" ImageUrl="~/media/quality/devMedAmanda.jpg" /> 
        <asp:Panel ID="pnlAmanda" runat="server" CssClass="modalPopup"> 
        <asp:ImageButton ID="imgBtnCloseAmanda" runat="server" ImageUrl="~/images/icon-x.gif" ImageAlign="Right" /><br /><p align="center"> 


        <div id="myytplayer" name="myytplayer" style="width:425px; height:344px;">You need Flash player 8+ and JavaScript enabled to view this video.</div> 
        <br /><br />Amanda Levesque's performance of "To Dream the Impossible Dream"</p></asp:Panel> 
        <ajaxToolkit:ModalPopupExtender ID="modalAmanda" runat="server" TargetControlID="imgBtnAmanda" PopupControlID="pnlAmanda" BackgroundCssClass="modalBackground" 
        CancelControlID="imgBtnCloseAmanda" OkControlID="imgBtnCloseAmanda" OnOkScript="stopVideo;" onCancelScript="stopVideo;" /> 
        </p>

{name:"foster manganyi na tintsumi ta tilo - zion (ndzi teke riendzo no. 1) <span style=\"color:#BDBDA1; font-size:12px;\">[from nick]</span>",mp3:"./songs//nick/zion.mp3"}