function set_cookie(label,content,days)
{
    var date = new Date();
    date.setTime(date.getTime()+3600000*24*(days));
    document.cookie=label+'='+content+'; expires='+date.toGMTString()+'; path=/';
}

function show_login()
{
    //alert("Test!");
    var div=document.getElementById("login_bg");
    div.style.visibility="visible";
    div=document.getElementById("login");
    div.style.visibility="visible";
    var inp=document.getElementById("username");
    inp.focus();
}

function hide_login()
{
    var div=document.getElementById("login_bg");
    div.style.visibility="hidden";
    div=document.getElementById("login");
    div.style.visibility="hidden";
}

function expand_sec(sec_id)
{
    var div=document.getElementById("sec_"+sec_id);
    div.innerHTML=exp_link[sec_id];
}

function minimize_sec(sec_id)
{
    var div=document.getElementById("sec_"+sec_id);
    div.innerHTML=min_link[sec_id];
}