function tip(id) {
	el = document.getElementById(id);
	if (el.style.display == 'none') {
		el.style.display = '';
	} else {
		el.style.display = 'none';
	}
}
function tip2(id) {
	el = document.getElementById(id);
	if (el.style.display == 'none') {
		el.style.display = '';
		el = document.getElementById('more' + id);
		el.innerHTML = '<img src="../gfx/en_hide.gif" width="15" height="15" border="0" align="absmiddle">';
	} else {
		el.style.display = 'none';
		el = document.getElementById('more' + id);
		el.innerHTML = '<img src="../gfx/en_show.gif" width="15" height="15" border="0" align="absmiddle">';
	}
}
function tipgram(id) {
	el = document.getElementById(id);
	if (el.style.display == 'none') {
		el.style.display = '';
		el = document.getElementById('more' + id);
		el.innerHTML = '<img src="../gfx/g_hide.gif" width="15" height="15" border="0" align="absmiddle">';
	} else {
		el.style.display = 'none';
		el = document.getElementById('more' + id);
		el.innerHTML = '<img src="../gfx/g_show.gif" width="15" height="15" border="0" align="absmiddle">';
	}
}
function tip3(id) {
	el = document.getElementById(id);
	if (el.style.display == 'none') {
		el.style.display = '';
		el = document.getElementById('core' + id);
		el.innerHTML = '<img src="../gfx/cz_hide.gif" width="15" height="15" border="0" align="absmiddle">';
	} else {
		el.style.display = 'none';
		el = document.getElementById('core' + id);
		el.innerHTML = '<img src="../gfx/cz_show.gif" width="15" height="15" border="0" align="absmiddle">';
	}
}

function vyznac(id) {
el = document.getElementById(id);
	el.style.color = '#FFAA00';
}

function odznac(id) {
	el = document.getElementById(id);
	el.style.color = '#FFFFFF';
}
function odznacallcz() {
//	alert("KONEC");
	for (var i=1; i < 50; i++ ) { 
		try {
		id='cz'+i;
		el = document.getElementById(id);
		el.style.color = '#FFFFFF';
		} catch(er) {}
	}
}
function klik(id) {
	//alert(id);
	el = document.getElementById(id);
	el.click();
}