function zmienstan(co)
{
	pp = document.getElementById(co);
	if (pp.className == 'dispinline')
		pp.className = 'dispnone';
	else
		pp.className = 'dispinline';
}
function zmienstan_wszystkie()
{
	for(i=1; i<200; i++)
	{
		duzoco = "kat" + i;
		if (document.getElementById(duzoco))
		{
			zmienstan (duzoco);
		}
	}
}



function openWindow (url, name, w, h, perc, scroll) {
	var winX = (screen.availWidth - w)*perc*.01;
	var winY = (screen.availHeight - h)*perc*.01;
	popupWin = window.open(url, name,'width=' + w + ',height=' + h + ',left=' + winX + ',top=' + winY + ',scrollbars=' + scroll + ',toolbar=1;');
}

_xjs=xjs();
if (_xjs==1) preloadImages();

function brw()
{
	x=0;
	if (navigator.appName.substring(0,8)=="Netscape")  x=1;
	if (navigator.appName.substring(0,9)=="Microsoft") x=0;
	if (navigator.appName.substring(0,9)=="Opera") x=0;
	return x;
}

function xjs()
{
	x=0;
	if (navigator.appName.substring(0,8)=="Netscape"  && parseInt(navigator.appVersion)>=3) x=1;
	if (navigator.appName.substring(0,9)=="Microsoft" && parseInt(navigator.appVersion)>=4) x=1;
	if (navigator.appName.substring(0,9)=="Opera" && parseInt(navigator.appVersion)>=4) x=1;
	return x;
}

function preloadImages()
{
}

function swapImage(t, id)
{
	if (_xjs==1)
	{
		if (t==1) s=eval(id+'_.src');
		if (t==0) s=eval(id+'.src');
		document [id+'i'].src=s;
	}
}






/*
function show (what)
{
	pp = document.getElementById (what);
	if (pp.className == 'dispinline')
		pp.className = 'dispnone';
	else
		pp.className = 'dispinline';
}

function hide (what)
{
	pp = document.getElementById (what);
	pp.className = 'dispnone';
}
*/