function showadd(i) {
    switch (i) {
        case 0:
            {
                document.getElementById("speed").style.display = "";
                document.getElementById("agility").style.display = "none";
                document.getElementById("access").style.display = "none";
                document.getElementById("santurproducts").style.display = "none";
                break;
            }
        case 1:
            {
                document.getElementById("speed").style.display = "none";
                document.getElementById("agility").style.display = "";
                document.getElementById("access").style.display = "none";
                document.getElementById("santurproducts").style.display = "none";
                break;
            }
        case 2:
            {
                document.getElementById("speed").style.display = "none";
                document.getElementById("agility").style.display = "none";
                document.getElementById("access").style.display = "";
                document.getElementById("santurproducts").style.display = "none";
                break;
            }
        case 3:
            {
                document.getElementById("speed").style.display = "none";
                document.getElementById("agility").style.display = "none";
                document.getElementById("access").style.display = "none";
                document.getElementById("santurproducts").style.display = "";
                break;
            }
    }
}