function adv(uri)
{
	window.open(uri, "page", "menubar=yes, location=yes, status=no, toolbar=yes, scrollbars=yes, resizable=yes");
	return false; 
}

function w(uri)
{
	var result = adv(uri);
	return result;
}

function wi(url, width, height)
{
	width += 50; height += 50;
	window.open(url, 'foto', 'width='+width+', height='+height+', toolbar=no, location=no, resizable=yes, scrollbars=yes, top=100, left=100');
	return false; 
}

var s = 11;
var direction = false; // bude se odčítat
var default_measuring = false; // byla změřena velikost?
var default_height = 0; // výchozí výška submenu

function measuring()
{
    var el = document.getElementById('submenu');
    default_measuring = true;
    default_height = el.offsetHeight - 15;
}

function visible_submenu()
{
    if (!direction) s = s - 2;
    else s = s + 2;
    if (s == 1) direction = true;
	var el = document.getElementById('submenu');
    if (!el) return;
    if (!default_measuring) measuring();
    el.style.height = default_height + 'px';
    var a = 1 + (s /10);
	el.style.lineHeight = a + 'em'
	if(s == 0) el.style.display = 'block';
	if(s < 10) window.setTimeout('visible_submenu('+s+')', 35);
}

function check_form()
{
	var el = document.getElementById('check_value');
	el.value = 1;
	return true;
}


function check_2_form()
{
	var el = document.getElementById('check_2_value');
	el.value = 1;
	return true;
}