function mapa(kolik, id, num_museum) {
    if(kolik < 8) {
      document.getElementById('map_in').style.backgroundPosition = "0px -"+(kolik*297)+"px";
    } else {
      document.getElementById('map_in').style.backgroundPosition = "-522px -"+((kolik-7)*297)+"px";
    }

    var label = document.getElementById('label');

    //zmizeni pri mouseoutu
    if (kolik == 0) {
        label.style.display = "none";
    }
    //zobrazeni popisku
    else {
        var left = new Array();
        left[1] = 200;
        left[2] = 227;
        left[3] = 205;
        left[4] = 130;
        left[5] = 98;
        left[6] = 127;
        left[7] = 255;
        left[8] = 304;
        left[9] = 335;
        left[10] = 293;
        left[11] = 354;
        left[12] = 369;
        left[13] = 396;
        left[14] = 441;


        var top = new Array();
        top[1] = 130;
        top[2] = 164;
        top[3] = 261;
        top[4] = 225;
        top[5] = 132;
        top[6] = 117;
        top[7] = 78;
        top[8] = 126;
        top[9] = 165;
        top[10] = 225;
        top[11] = 255;
        top[12] = 193;
        top[13] = 234;
        top[14] = 180;


        var names = new Array();
        names[1] = "Hl. město Praha";
        names[2] = "Středočeský kraj";
        names[3] = "Jihočeský kraj";
        names[4] = "Plzeňský kraj";
        names[5] = "Karlovarský kraj";
        names[6] = "Ústecký kraj";
        names[7] = "Liberecký kraj";
        names[8] = "Královéhr. kraj";
        names[9] = "Pardubický kraj";
        names[10] = "Vysočina";
        names[11] = "Jihomoravský kraj";
        names[12] = "Olomoucký kraj";
        names[13] = "Zlínský kraj";
        names[14] = "Moravskoslez. kraj";


        label.style.marginLeft = left[id] + "px";
        label.style.marginTop = top[id] + "px";

        //vytvoreni obsahu divu
        var content = '<span class="label_name">' + names[id] + ' &nbsp; | &nbsp; </span>počet muzeí: <span class="label_name">' + num_museum + '</span>';

        label.innerHTML = content;
        label.style.display = "block";

    }
}