DevFelixDorn

var links2img = []

function initLightbox() {
    var links = document.getElementsByTagName("a");
    for(var i = links.length; i--; ) {
        var imginside = links[i].getElementsByTagName("img");
        if (imginside.length == 1 ) {
            links2img.push(links[i])
            console.log(links[i]);
            links[i].onclick = openLightbox;