var mediaPlayer,playPauseBtn,muteBtn,progressBar;function initialiseMediaPlayer(){mediaPlayer=document.getElementById("media-video"),playPauseBtn=document.getElementById("play-pause-button"),muteBtn=document.getElementById("mute-button"),progressBar=document.getElementById("progress-bar"),mediaPlayer.controls=!1,mediaPlayer.addEventListener("timeupdate",updateProgressBar,!1),mediaPlayer.addEventListener("play",function(){changeButtonType(playPauseBtn,"pause")},!1),mediaPlayer.addEventListener("pause",function(){changeButtonType(playPauseBtn,"play")},!1),mediaPlayer.addEventListener("volumechange",function(e){mediaPlayer.muted?changeButtonType(muteBtn,"unmute"):changeButtonType(muteBtn,"mute")},!1),mediaPlayer.addEventListener("ended",function(){this.pause()},!1)}function togglePlayPause(){mediaPlayer.paused||mediaPlayer.ended?(changeButtonType(playPauseBtn,"pause"),mediaPlayer.play()):(changeButtonType(playPauseBtn,"play"),mediaPlayer.pause())}function stopPlayer(){mediaPlayer.pause(),mediaPlayer.currentTime=0}function changeVolume(e){"+"===e?mediaPlayer.volume+=1==mediaPlayer.volume?0:.1:mediaPlayer.volume-=0==mediaPlayer.volume?0:.1,mediaPlayer.volume=parseFloat(mediaPlayer.volume).toFixed(1)}function toggleMute(){mediaPlayer.muted?(changeButtonType(muteBtn,"mute"),mediaPlayer.muted=!1):(changeButtonType(muteBtn,"unmute"),mediaPlayer.muted=!0)}function replayMedia(){resetPlayer(),mediaPlayer.play()}function updateProgressBar(){var e=Math.floor(100/mediaPlayer.duration*mediaPlayer.currentTime);progressBar.value=e,progressBar.innerHTML=e+"% played"}function changeButtonType(e,a){e.title=a,e.innerHTML=a,e.className=a}function loadVideo(){for(var e=0;e