function start()
{
	hide_content();
}

function show_content()
{
	var x;
	x = document.getElementById("hlavni_box");
	x.style.display = "block";
	return true;
}

function hide_content()
{
	var x;
	x = document.getElementById("hlavni_box");
	x.style.display = "none";
	return true;
}

function select_menu_item(iv_item)
{
}

function CalcTest()
{
	var pocet = 0;	

	// q0001
	for (i = 0; i < document.frm.q0001.length; i++)
	{
		if (document.frm.q0001[i].checked)
		pocet = pocet + (i + 1); 
	}
	// q0002
	for (i = 0; i < document.frm.q0002.length; i++)
	{
		if (document.frm.q0002[i].checked)
		pocet = pocet + (i + 1); 
	}
	// q0003
	for (i = 0; i < document.frm.q0003.length; i++)
	{
		if (document.frm.q0003[i].checked)
		pocet = pocet + (i + 1); 
	}
	// q0004
	for (i = 0; i < document.frm.q0004.length; i++)
	{
		if (document.frm.q0004[i].checked)
		pocet = pocet + (i + 1); 
	}
	// q0005
	for (i = 0; i < document.frm.q0005.length; i++)
	{
		if (document.frm.q0005[i].checked)
		pocet = pocet + (i + 1); 
	}

	document.getElementById("pocet").value = pocet;
}

function show_news(iv_id) {

	var x;
	x = document.getElementById(iv_id);
	if (x.style.display == "block") 
	{
		x.style.display = "none";
	} else {
		x.style.display = "block";
	}

// 	zavri vsechny ostatni zpravy
	for (i = 0; i < 10; i++)
	{
		lv_id = "news"+i;
		if (document.getElementById(lv_id))
		{
			if (lv_id != iv_id)
			{
				x = document.getElementById(lv_id);
				x.style.display = "none";
			}
		}
	}
}

function init_news() {

if (document.getElementById('news0'))
	{
		show_news('news0');
	} else {
		show_news('news1');
	}
}

// http://javascript-array.com/scripts/simple_drop_down_menu/
// Copyright 2006-2007 javascript-array.com

var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose;