flag_EN = new Image ();
flag_EN.src = 'img/flag_ENa.gif';
flag_CZ = new Image ();
flag_CZ.src = 'img/flag_CZa.gif';

function on (img) {
	img = document.getElementById(img);
	img.src = 'img/' + img.name + 'a.gif';
}
function off (img) {
	img = document.getElementById(img);
	img.src = 'img/' + img.name + '.gif';
}

function Detail (url) {
	DargoWin = window.open (url, 'DargoWin', 'scrollbars=no,resizable=yes,toolbar=no,status=yes,width=680,height=590');
	return false;
}