// Copyright (c) Piotr Sawicki
// Wszelkie prawa zastrzeżone.

function elGet(elId) {
	return document.getElementById(elId);
}

function elSetPosAfter(elId, elaId, xOffset, yOffset)
{
	var el = document.getElementById(elId);
	var elA = document.getElementById(elaId);
	el.x = elA.offsetLeft + xOffset;
	el.y = elA.offsetTop + yOffset;
}

function elShow(elId) {
	var el = document.getElementById(elId);
	el.style.visibility = 'visible';
}

function elHide(elId) {
	var el = document.getElementById(elId);
	el.style.visibility = 'hidden';
}

// top20
var int_t20Timer	= 0;
function int_t20Hide() {
	elGet('t20Menu').style.visibility = 'hidden';
}

function t20DropDown() {
	if ( elGet('t20Menu').style.visibility == 'visible' ) {
		elGet('t20Menu').style.visibility = 'hidden';
	} else {
		elSetPosAfter('t20Menu', 't20Combo', 0, 0);
		elGet('t20Menu').style.visibility = 'visible';
	}
	return false;
}

function t20Out() {
	int_t20Timer	= setTimeout('int_t20Hide()', 200);
}

function t20Over() {
	if ( int_t20Timer ) clearTimeout(int_t20Timer);
}

var int_t20PrevUlId	= 't20_def';
function t20SetGroup(ulID, nazwa) {
	elGet(int_t20PrevUlId).style.visibility = 'hidden';
	elGet(int_t20PrevUlId = ulID).style.visibility = 'visible';
	elGet('t20_combo_sp').innerHTML = nazwa;
	int_t20Hide();
	return false;
}