fakos2b = new Image();
fakos2b.src = "images/fako_software_02b.png";
function showSoftwareBig() {
    fakos1 = document.getElementById('fako_software_01');
    fakos2 = document.getElementById('fako_software_02');
    fakos2org = new Image();
    fakos2org.src = fakos2.src;
    fakos2.src = fakos2b.src;
    fakos3 = document.getElementById('fako_software_03');
    fakos3.style.display = "block";
}

function showSoftwareNorm() {
    fakos2 = document.getElementById('fako_software_02');
    fakos2.src = fakos2org.src;
    fakos3 = document.getElementById('fako_software_03');
    fakos3.style.display = "none";
}