var menu_current_main = 0;
var menu_current_main_str = "";
var menu_current_main_delay = 0;
var menu_current_main_delay_str = 0;
var menu_current_main_sema = 0;

function menu_show2 (id) {
        if (document && document.getElementById(id)) {
                menu_current_main_delay_str = "";
                if (menu_current_main_str != "" && menu_current_main_str != id) {
                        document.getElementById(menu_current_main_str).style.visibility = "hidden";
                        menu_current_main_str = "";
                }

                if (menu_current_main == 0 && menu_current_main != id) {
                        menu_current_main_str = id;
                }

                document.getElementById(id).style.visibility = "visible";
        }
}

function hide_delay () {
        if (menu_current_main_str != "") {
                menu_current_main_sema++;
                menu_current_main_delay_str = menu_current_main_str;
                setTimeout("menu_hide_delayexe2(" + menu_current_main_sema + ")", 1800);
        }
}

function menu_hide_delayexe2 (sema) {
        if (menu_current_main_str != "" && menu_current_main_delay_str == menu_current_main_str && menu_current_main_sema == sema) {

                if (document) {

                if (document.getElementById(menu_current_main_str))
                        document.getElementById(menu_current_main_str).style.visibility = "hidden";

                menu_current_main_str = "";
                }
        }
}

function tint (id) {
        document.getElementById(id).style.backgroundColor = '#DADADA';
}

function untint (id) {
        document.getElementById(id).style.backgroundColor = '';
}