/////////////////////////////////////////////////////////////////
function toggle_menu(id, path_to_root, closed_title, opened_title) {
    ul = "ul_" + id;
    img = "img_" + id;

    ulElement = document.getElementById(ul);
    imgElement = document.getElementById(img);

    if (ulElement) {
        if (ulElement.className == 'closed') {
            ulElement.className = "open";
            imgElement.src = path_to_root + "/menu_opened.gif";
            imgElement.title = opened_title;
        } else {
            ulElement.className = "closed";
            imgElement.src = path_to_root + "/menu_closed.gif";
            imgElement.title = closed_title;
        }
    }
}

/////////////////////////////////////////////////////////////////
function pop_up(url, winargs) {
    day = new Date();
    id = day.getTime();
    args = "toolbar=0,scrollbars=1,location=0,statusbar=0,resizable=1,width=700,height=400,left=50,top=50";
    if (winargs) {
        args = winargs + "," + args;
    }
    code = "page" + id + " = window.open(url, '" + id + "', '" + args + "');";
    eval(code);
}

/////////////////////////////////////////////////////////////////
var select_one_obj_prev = null;

function select_one(id, class_on, class_off) {
    if (select_one_obj_prev) {
        select_one_obj_prev.className = class_off;
    }
    o = document.getElementById(id);
    o.className = class_on;
    select_one_obj_prev = o;
}