function footerHeight()
{
	heightContent = document.getElementById('container').offsetHeight;
	heightFooter = document.getElementById('bottom').offsetHeight;
	wysokosc_okna = document.body.clientHeight;	
	
	wysokosc_stopki = wysokosc_okna - heightContent - heightFooter;
	document.getElementById('bottomEnd').style.height = wysokosc_stopki+'px';
}