var rIntervalId;
setLoaderImg = function(i){
    $('img.loader:eq('+i +')').attr('src', '/static/img/loader' +i +'.gif');
}

decreaseDelay = function(){
    oCounter = $('span#delay');
    iDelay = oCounter.html();
    iDelay--;
    oCounter.html(iDelay);
    if (iDelay == 0) {
        clearInterval(rIntervalId);
        window.location = "http://www.sztart.pl/sztart.html";
    }
}

loadImage = function(){
    var img = new Image();
    img.src = "static/img/background.jpg";

    var img2 = new Image();
    img2.src = "static/img/bottom.jpg";

    var img3 = new Image();
    img3.src = "static/img/background_line.png";

    var img4 = new Image();
    img4.src = "static/img/background_about.png";

    var img5 = new Image();
    img5.src = "static/img/background_contact.png";

    var img6 = new Image();
    img6.src = "static/img/background_realization.png";

    var img7 = new Image();
    img7.src = "static/img/background_ofert.png";
    
    var img8 = new Image();
    img8.src = "static/img/background_sztartpakiet.png";
}

$(document).ready(function(){
    for (i = 0; i < 3; i++) {
        setTimeout('setLoaderImg(' +i +')', Math.floor(Math.random()*1100));
    }
    rIntervalId = setInterval('decreaseDelay()', 1000);
    loadImage();
})