// JavaScript Document



function changeDivsusername()
{
document.getElementById('username').style.display='block';
document.getElementById('password').style.display='none';
}
function changeDivspassword()
{
document.getElementById('username').style.display='none';
document.getElementById('password').style.display='block';
}
function changeDivsall()
{
document.getElementById('username').style.display='none';
document.getElementById('password').style.display='none';
}