function count_chars(form_element_name) {
    var strlen = document.getElementById(form_element_name).value.length;
    var id_to_write = form_element_name + '_count';
    document.getElementById(id_to_write).innerHTML = strlen;
}

function lnk_copy_ajaxtext_to_formularelement(id_ajaxtext, id_formularelement) {
    if(document.getElementById(id_ajaxtext)) {
        var x = document.getElementById(id_ajaxtext).innerHTML;
        x = html_to_txt(x);
        document.getElementById(id_formularelement).value = x;
        count_chars(id_formularelement);
    }
}