function mp3Embed(audioEmbedTag) {

var src = audioEmbedTag.getAttribute( "src" );
var caption = audioEmbedTag.getAttribute( "caption" );
if(src.indexOf('.mp3') !== -1) {
    var srcParts = src.split('?');
    if(srcParts.length == 1) srcParts[1] = '';
    var unrecognizedParameterString = srcParts[1];
    unrecognizedParameterString = unrecognizedParameterString.replace('&','').replace('&','');
    unrecognizedParameterString = unrecognizedParameterString.replace('autoplay=1','').replace('autoplay=0','');
    unrecognizedParameterString = unrecognizedParameterString.replace('loop=1','').replace('loop=0','');
    unrecognizedParameterString = unrecognizedParameterString.replace('controls=0','').replace('controls=1','');

    if (srcParts[0].lastIndexOf('.mp3', srcParts[0].length - 4) === srcParts[0].length - 4 && unrecognizedParameterString.length == 0) {
        if(srcParts[1].indexOf('autoplay=1') !== -1) var autoplay=1; else var autoplay=0;
        if(srcParts[1].indexOf('loop=1') !== -1) var loop=1; else var loop=0;
        if(srcParts[1].indexOf('controls=0') !== -1) var controls=0; else var controls=1;
        var newInnerHTML = '<audio';
        if(autoplay==1) newInnerHTML += ' autoplay';
        if(loop==1) newInnerHTML += ' loop';
        if(controls==1) newInnerHTML += ' controls';
        newInnerHTML += '><source src="'+srcParts[0]+'" type="audio/mpeg">Your browser does not support the audio element, but here is <a href="' + srcParts[0] + '">a link.</a></audio>';
        if(caption) {
            newInnerHTML += `(${caption})`;
        }
        audioEmbedTag.innerHTML = newInnerHTML;
    }
}

}

function fillAudioEmbeds() {

var audioEmbedTags = document.querySelectorAll('.audioEmbed');
audioEmbedTags.forEach(function (audioEmbedTag) {
    mp3Embed(audioEmbedTag);
});
document.addEventListener('play', function(e){
    var audios = document.getElementsByTagName('audio');
    for(var i = 0, len = audios.length; i < len;i++){
        if(audios[i] != e.target){
            audios[i].pause();
        }
    }
}, true);

}

$(document).ready(fillAudioEmbeds);