function print_page(id_skupiny, id_polozky) {
	w = 800;
	h = 800;
	meta_h = 40;

	wtop = Math.round((screen.height - h - meta_h) / 2) - meta_h;
	wleft = Math.round((screen.width - w) / 2);
		
	info = window.open('/print_text.php?groupID=' + id_skupiny + '&textID=' + id_polozky, '', 'width=' + w + ', height=' + h + ',resizable=no,scrollbars=1,status=0,top=' + wtop + ',left=' + wleft);
}
	
	function checkType(hodnota) {
//		alert(hodnota);
		if (hodnota == 1) {
				document.getElementById('velikost').style.visibility = 'visible';
				document.getElementById('velikost').style.display = 'block';
/*
				document.getElementById('velikost_select').style.visibility = 'visible';
				document.getElementById('velikost_select').style.display = 'block';
*/
		}
		else {
				document.getElementById('velikost').style.visibility = 'hidden';
				document.getElementById('velikost').style.display = 'none';
/*				document.getElementById('velikost_select').style.visibility = 'hidden';
				document.getElementById('velikost_select').style.display = 'none';
*/
		}		
	}