//////// Pokaż / Ukryj //////////
function crossGetObject(id)
{
	var isDOM = document.getElementById ? true : false;
	var isIE = document.all ? true : false;
	var isNN = document.layers ? true : false;

	if (isDOM && document.getElementById(id)) {
		return document.getElementById(id);
	} else if (isIE && document.all[id]) {
		return document.all[id];
	} else if (isNN && document.layers[id]) {
		return document.layers[id];
	} else {
		return false;
	}
}

function crossGetStyle(id, property)
{
	var isDOM = document.getElementById ? true : false;
	var isIE = document.all ? true : false;
	var isNN = document.layers ? true : false;
	var object = crossGetObject(id);

	if (object && (isDOM || isIE)) {
		return eval ('object.style.'+property);
	} else if (object && isNN) {
		return eval ('object.'+property);
	}
}

function crossSetStyle(id, property, value)
{
	var isDOM = document.getElementById ? true : false;
	var isIE = document.all ? true : false;
	var isNN = document.layers ? true : false;
	var object = crossGetObject(id);
	if (object && (isDOM || isIE)) {
		eval ('object.style.'+property+' = \''+value+'\';');
	} else if (object && isNN) {
		eval ('object.'+property+' = \''+value+'\';');
	}
}