function toggle(divid, onoff)
{
 if (onoff == 0) document.getElementById(divid).style.display = "none";
 else document.getElementById(divid).style.display = "block";
}

function minmax(divid)
{
 if (document.getElementById(divid).style.display == "none") document.getElementById(divid).style.display = "block";
 else document.getElementById(divid).style.display = "none";
}