var pages = 5;
function upload(n)
{
for (var count = 1; count <= pages; count++) {
document.getElementById("form"+count).style.display = 'none';
document.getElementById("info"+count).style.display = 'none';
}
document.getElementById("form"+n).style.display = 'block';
document.getElementById("info"+n).style.display = 'block';
}