Responsive FileManager

[datiswous]

Hello, why is the following code present on every page in the frontend? This is after the </footer>

Code:

<!-- Responsive FileManager Javascripts loading ver. 2.5 -->
<script>
function loadjscssfile(filename, filetype){
    if (filetype=="js"){ //if filename is a external JavaScript file
        var fileref=document.createElement('script');
        fileref.setAttribute("type","text/javascript");
        fileref.setAttribute("src", filename);
        fileref.async = false;
    }
    else if (filetype=="css"){ //if filename is an external CSS file
        var fileref=document.createElement("link");
        fileref.setAttribute("rel", "stylesheet");
        fileref.setAttribute("type", "text/css");
        fileref.setAttribute("href", filename);
    }
    if (typeof fileref!="undefined") {
        document.body.appendChild(fileref);
    }
}
if (window.addEventListener)
    window.addEventListener("load", loadjscssfile, false);
else if (window.attachEvent)
    window.attachEvent("onload", loadjscssfile);
else window.onload = loadjscssfile;

if (document.querySelector('.prettyPhoto') !== null) {
    loadjscssfile(".../plugins/responsivefilemanager/css/prettyPhoto.css", "css");
    loadjscssfile(".../plugins/responsivefilemanager/js/prettyPhoto/jquery.prettyPhoto.js", "js");
    loadjscssfile(".../plugins/responsivefilemanager/js/prettyPhoto/rfm_prettyphoto.js", "js");
}
if (document.querySelector('.fancybox') !== null) {
    loadjscssfile(".../plugins/responsivefilemanager/js/FancyBox/jquery.fancybox.css", "css");
    loadjscssfile(".../plugins/responsivefilemanager/js/FancyBox/jquery.fancybox.pack.js", "js");
    loadjscssfile(".../plugins/responsivefilemanager/js/FancyBox/rfm_fancybox.js", "js");
}
if (document.querySelector('.baguettebox') !== null) {
    loadjscssfile(".../plugins/responsivefilemanager/js/BaguetteBox/baguetteBox.min.css", "css");
    loadjscssfile(".../plugins/responsivefilemanager/js/BaguetteBox/baguetteBox.min.js", "js");
    window.onload = function() {
        baguetteBox.run('.baguettebox', {
            // Custom options
            fullScreen: false,
            animation: 'fadeIn',
            buttons: true,
            overlayBackgroundColor: 'rgba (0,0,0,.8)',
            captions: function(element) {
                return element.getElementsByTagName('img')[0].alt;
            }
        });
    };
}
</script>

(I made some of the urls shorter)

Might this be related to a previous post from Shawn about loading css?