var MinX=0, 
    MaxX=600,
    X=0,
    Y=40,
    Step=10,
    id;
    
function Move()
{
    // Přesun zdroje světla
    document.all.napis.filters.Light.moveLight(0, X, Y, 0, true);

    // Aktualizace 
    X += Step;      

    if (X >= MaxX) {
        // X = MaxX;
        Step = -Step;
        };

    if (X <= MinX) {
        // X = MinX;
        Step = -Step;
        };
}

function Init()
{
    document.all.napis.filters.Light.addCone((MinX+MaxX)/2, Y, 100, X, Y,
        255, 255, 255, 100, 30);
    document.all.napis.filters.Light.addAmbient(0, 0, 100, 50);
    id = setInterval("Move()", 100);

    var expdate = new Date();
    var num_visits;
    expdate.setTime(expdate.getTime() + (5*24*60*60*1000));
    if (!(num_visits = GetCookie("num_visits")))
      num_visits = 0;
    num_visits++;
    SetCookie("num_visits",num_visits,expdate);

    var s="";
    if (num_visits == 1)
       s="<B>poprvé</B> na našich stránkách.";
    else
       s="po <B>"+num_visits+".</B> na našich stránkách.";

    var currentTime = new Date()
    var month = currentTime.getMonth() + 1
    var day = currentTime.getDate()
    var year = currentTime.getFullYear()
    var hours = currentTime.getHours()
    var minutes = currentTime.getMinutes()
    if (minutes < 10)
        minutes = "0" + minutes
    s=s+" Otevřeli jste je dnes   " + day + "." + month + "." + year + " v  " + hours + ":" + minutes + ".";
    
    document.getElementById("otevreno").innerHTML = s;
}