function show()
{
document.getElementById("hide").style.visibility="visible";
document.getElementById("hide").style.height="auto";
document.getElementById("hide_link").style.visibility="hidden";
document.getElementById("hide_link").style.height="0px";
}
function hide()
{
document.getElementById("hide").style.visibility="hidden";
document.getElementById("hide").style.height="0px";
document.getElementById("hide_link").style.visibility="visible";
document.getElementById("hide_link").style.height="auto";
}

function clear_user()
{
document.getElementById("ioFormUsername").value="";
}

function clear_pw()
{
document.getElementById("ioFormPassword").value="";
}