function LoadSertificate()
{
    document.getElementById("sertDisp").style.display = "block";
    
    document.getElementById("trBack").style.backgroundColor = "#000000";
    
    document.getElementById("sertDisp").style.position = "absolute";
    document.getElementById("sertDisp").style.left = 0;
    document.getElementById("sertDisp").style.top = 0;
    
    document.getElementById("trBack").style.width = document.body.offsetWidth + "px";
    document.getElementById("trBack").style.height = document.body.offsetHeight + "px";
    
    document.getElementById("sertForm").style.position = "absolute";
    document.getElementById("sertForm").style.left = ((document.body.offsetWidth / 2) - 350) + "px";
    document.getElementById("sertForm").style.top = "100px";
}