// javascript

/**
 * Ritorna id modulo che contiene l'elemento specificato.
 */
function getModuleIdOfElement(el) {
    if (el == null) {return;}
    var p = el.parentNode;
    var mid = "";
    while (p != null) {
        if (p.id != null && p.id.indexOf("_ctr") != -1) {
            mid = p.id.substr(p.id.indexOf("_ctr") + 4);
            mid = mid.substr(0, mid.indexOf("_"));
            break;
        }
        else { p = p.parentNode; }
    }
    return mid;
}