function showLogin() {
    var login_btn = $("login_btn");
    var login_ctrls = $("login_ctrls");
    var login = $(login_ctrls.parentNode);

    login_ctrls.toggleDisplay();

    if (login_ctrls.style.display == "block") {
        login.css("width", "165px");
        login.css("height", "35px");
        login_btn.css("height", "35px");
        login_btn.removeClass("highlight_bg");
        $("ctl00_ctl00__txtPin").focus();
    }
    else {
        login.css("width", "5px");
        login.css("height", "5px");
        login_btn.css("height", "5px");
        login_btn.addClass("highlight_bg");
    }
}