[danik.js]

$(document).ready(function () {
    var images = ["img/1.png", "img/2.png", "img/3.png"];
    for (var i = 0; i < images.length; i++)
        new Image().src = images[i];
        
    var step, timerId;
    
    $("#tap").click(function () {
        step = 1;
        timerId = setInterval(slideit, 20);
    });

    function slideit() {
        if (step < 3){
           document.images.slide.src = images[step - 1];
           step++;
        } else {
           clearInterval(timerId);
        }
    }
});