var curinfo = 1;

function ShowInfo(id) {
document.getElementById("hd" + curinfo).style.display = "none";
document.getElementById("span" + curinfo).style.display = "block";
document.getElementById("t" + curinfo).style.display = "none";
document.getElementById("span" + id).style.display = "none";
document.getElementById("hd" + id).style.display = "block";
document.getElementById("t" + id).style.display = "block";
curinfo = id;
}