function setCookie (name, value, expires, path, domain, secure) {
    document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "; path=/") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCookie (name) {
    var cookie = " " + document.cookie;
    var search = " " + name + "=";
    var setStr = null;
    var offset = 0;
    var end = 0;
    if (cookie.length > 0) {
        offset = cookie.indexOf(search);
        if (offset != -1) {
            offset += search.length;
            end = cookie.indexOf(";", offset)
            if (end == -1) {
                end = cookie.length;
            }
            setStr = unescape(cookie.substring(offset, end));
        }
    }
    return(setStr);
}

function show_hint(region) {
  $("#maps_img").removeClass();
  $("#maps_img").addClass("m_"+region);
}

var class_maps_def = "m_c";
function hide_hint(region) {
  $("#maps_img").removeClass();
  $("#maps_img").addClass(class_maps_def);
}

var im = new Image();
im.src = '/img/map_clear.png';

var im1 = new Image();
im1.src = '/img/map_1.png';

var im2 = new Image();
im2.src = '/img/map_2.png';

var im3 = new Image();
im3.src = '/img/map_3.png';

var im4 = new Image();
im4.src = '/img/map_4.png';

var im5 = new Image();
im5.src = '/img/map_5.png';

var im6 = new Image();
im6.src = '/img/map_6.png';

var im7 = new Image();
im7.src = '/img/map_7.png';

var im8 = new Image();
im8.src = '/img/map_8.png';

var im9 = new Image();
im9.src = '/img/map_9.png';