function init_navigation() {
    try {
        document.getElementById("hmi_" + page_context).className = "selected";
    }
    catch (ex) { }
}
var subnav_products = false;
var subnav_about = false;
function Show(id) {
    eval(id + "=true;");
    $("#" + id).slideDown(500);
}
function Hide(id) {
    eval(id + "=false;");
    subnav_about = false;
    window.setTimeout("hideSub('" + id + "')", 200);
}
function hideSub(id) {
    eval("if (! " + id + ") $('#" + id + "').slideUp(300); ");
}