function toggleLogin() {
    var expanded = document.getElementById("hdr-login-exp");
    var collapsed = document.getElementById("hdr-login");

    if(expanded.style.display == "none" || !expanded.style.display) {
        collapsed.style.display = "none";
        expanded.style.display = "block";
    }
    else if(expanded.style.display == "block") {
        expanded.style.display = "none";
        collapsed.style.display = "block";
    }

    return false;
}