function getE(name)
{
	if (document.getElementById)
		var elem = document.getElementById(name);
	else if (document.all)
		var elem = document.all[name];
	else if (document.layers)
		var elem = document.layers[name];
	return elem;
}

function showLayer(layerName){
    name = getE((layerName));
    name.style.display = 'block';
}

function hideLayer(layerName){
    name = getE((layerName));
    name.style.display = 'none';
}

function rozmiarowka(name) {
    if (getE(name).options[getE(name).selectedIndex].text=='Szycie na podany wymiar') {
        showLayer('rozmiarowka');
        showLayer('wymiary');
    }
    else {
        hideLayer('rozmiarowka');
        hideLayer('wymiary');
    }
}