Tardis pulsing effect with audio used with reveal.js for a BarCamp presentation.

tardis.js

tardis = function() 
{
  // Download wav file here: https://dl.dropboxusercontent.com/u/9440990/tardis.wav
	var tardis = new Audio("tardis.wav");
	tardis.play();
	setTimeout(function() {
		$("img#tardisimg").animate({
			opacity: 0.4
		}, 1000, "linear", function() {
			$("img#tardisimg").animate({
				opacity: 0.2
			}, 1000, "linear", function() {
				$("img#tardisimg").animate({
					opacity: 0.6
				}, 1000, "linear", function() {
					$("img#tardisimg").animate({
						opacity: 0.4
					}, 750, "linear", function() {
						$("img#tardisimg").animate({
							opacity: 0.8
						}, 750, "linear", function() {
							$("img#tardisimg").animate({
								opacity: 0.6
							}, 750, "linear", function() {
								tardis.volume = 0.75;
								$("img#tardisimg").animate({
									opacity: 0.8
								}, 500, "linear", function() {
									tardis.volume = 0.6;
									$("img#tardisimg").animate({
										opacity: 1.0
									}, 1500, "linear", function() {
										// All done Tardising!
										tardis.volume = 0.4;
										setTimeout(function() {
											tardis.volume = 0.2;
											setTimeout(function() {
												tardis.volume = 0.1;
												tardis.pause(); // Stop sound
											}, 500);
										}, 1000);
									});
								});
							});
						});
					});
				});
			});
		});
	}, 1000);
};