//funkcje do podmiany zdjec
function fon(n){document.images[n].src='grafika/'+n+'.gif';}
function foff(n){document.images[n].src='grafika/'+n+'1.gif';}

//funkcja do wyswietlania popupu
var okno='';
function popup(wi,he,uerel,alignx,aligny,scrol)
{
	if(okno &&!okno.closed){okno.close()}
	if(wi=='100%'){wi=screen.availWidth-30}
	if(he=='100%'){he=screen.availHeight-0}
	if(alignx=='left'){xx=0}
	else if(alignx=='right'){xx=(screen.availWidth-wi)-10}
	else{xx=(screen.availWidth-wi)/2}
	if(aligny=='top'){yy=0}
	else if(aligny=='bottom'){yy=(screen.availHeight-he)}
	else{yy=(screen.availHeight-he)/2}
	okno=window.open(uerel, '_blank', 'scrollbars='+scrol+',height='+he+',width='+wi+',top='+yy+',left='+xx);
}

function tdon(what, klasa, arrow_name, mode) {
	what.className = klasa;
  if(mode=='hide') {
  	document.getElementById(arrow_name).style.display='none';
  }
  if(mode=='show') {
  	document.getElementById(arrow_name).style.display='inline';
  }  
}

function blurall() {
	var links = document.getElementsByTagName('a');
	for (var i=0;i<links.length;i++)
	{
		links[i].onfocus = blurme;
  }
}

function blurme()
{
	this.blur();
}

function checkRes() {
	if(screen.width<=800) {
	document.write('<tr>');
  	document.write('<td style="font-size: 1px"></td>');
  	document.write('<td style="font-size: 1px"></td>');
	document.write('</tr>');
  }
  else {
	document.write('<tr>');
  	document.write('<td style="font-size: 1px"><img src="grafika/pix.gif" alt=""></td>');
  	document.write('<td style="font-size: 1px"><img src="grafika/pix.gif" alt=""></td>');
	document.write('</tr>');
  }
}