function ukryj()
{
document.getElementById('list-menu').style.visibility = 'hidden';
}

function odkryj()
{
var topmenu;
var leftmenu;
var roz;

if(document.all)document.getElementById('list-menu').className = 'ie';

roz = getH();
topmenu = ((roz - 474)/2) + 131 + 331 - 10 - (8*24);
if(document.all)topmenu = topmenu + 2;
roz = getW();
leftmenu = ((roz - 752)/2) + 138;


document.getElementById('list-menu').style.left = leftmenu + "px";
document.getElementById('list-menu').style.top = topmenu +"px";

document.getElementById('list-menu').style.visibility = 'visible'
}

function getH(){
	var ret;
	if(document.all)ret = document.documentElement.clientHeight;
	else ret = window.innerHeight;
	return ret;
}

function getW(){
	var wei;
	if(document.all)wei = document.documentElement.clientWidth;
	else wei = window.innerWidth;
	return wei;		
}


window.onresize = do_srodka;
window.onload = do_srodka;

function do_srodka()
{
var rozm;
var top;
var szer_bok;
var a;

rozm = getW();
szer_bok = ((rozm - 752)/2)-10;

for(a=1; a<=4; a=a+1)
	{
	nazwa="bok"+a;
	document.getElementById(nazwa).style.width = szer_bok + "px";
	}
	
rozm = getH();
document.getElementById('tabela').style.position = 'absolute';
top = ((rozm - 474)/2)-10;
document.getElementById('tabela').style.top = top + "px";
document.body.style.overflow = "hidden";

document.getElementById('tabela').style.visibility = 'visible';
top = top + 505;
document.getElementById('dane').style.top = top + "px";
}