kryj = 0; id = 0; skryj = 0; sid = 0;

function menu(element)
{
i = 1; kryj = 1;
while (e = document.getElementById("m" + i++))
e.style.visibility = "hidden";
document.getElementById(element).style.visibility = "visible";
}

function menucopy(element)
{
i = 1; kryj = 1;
while (e = document.getElementById("m" + i++))
e.style.visibility = "hidden";
document.getElementById(element).style.visibility = "visible";
}


function koniec() 
{
clearTimeout(id);
kryj = 0; id = setTimeout(ukryj, 1500);
}

function ukryj()
{
if ( kryj == 0 )
{
i = 1;
while (e = document.getElementById("m" + i++))
e.style.visibility = "hidden";
}
}


function submenu(element)
{
i = 1; skryj = 1;
while (e = document.getElementById("subm" + i++))
e.style.visibility = "hidden";
document.getElementById(element).style.visibility = "visible";
}

function subkoniec() 
{
clearTimeout(sid);
skryj = 0; sid = setTimeout(subukryj, 1500);
}

function subukryj()
{
if ( skryj == 0 )
{
i = 1;
while (e = document.getElementById("subm" + i++))
e.style.visibility = "hidden";
}
}
function sf()
{document.f.q.focus();}