function assets(filename){
    load = filename.match(/^\/\//) || filename.match(/^http:/) || filename.match(/^https:/) ? filename : 'assets/' + filename;

    if (filename.match(/\.js$/)){
        var fileref=document.createElement('script')
        fileref.setAttribute("type","text/javascript")
        fileref.setAttribute("src", load)
    }
    else if (filename.match(/\.css$/)){
        var fileref=document.createElement("link")
        fileref.setAttribute("rel", "stylesheet")
        fileref.setAttribute("type", "text/css")
        fileref.setAttribute("href", load)
    }
    if (typeof fileref!="undefined")
        document.getElementsByTagName("head")[0].appendChild(fileref)
}