function otworz(da,po) {
		var i=1;
		while(document.getElementById('opi'+i)) {
			var j=1;
			while(document.getElementById('txt'+i+'_'+j)) {
				document.getElementById('txt'+i+'_'+j).style.display="none";
				document.getElementById('a'+i+j).style.display="block";
				j++;
			}
			document.getElementById('opi'+i).style.display="none";
			if (i<6)document.getElementById('z'+i).style.display="none";
			i++;
		}
		document.getElementById('opi'+po).style.display="block";
	}
	
  	function otworzT(gf,po) {
		var i=1;
		document.getElementById('z'+po).style.display="block";
		while(document.getElementById('a'+po+i)) {
			document.getElementById('a'+po+i).style.display="none";
			i++;
		}
		document.getElementById('a'+po+gf).style.display="block";
		document.getElementById('txt'+po+'_'+gf).style.display="block";
		
	}
	
	function zamknij(sa,po) {
		if (sa=='opi') {
			var i=1;
			while(document.getElementById('txt'+po+'_'+i)) {
				document.getElementById('txt'+po+'_'+i).style.display="none";
				document.getElementById('a'+po+i).style.display="block";
				i++;
			}
			document.getElementById('z'+po).style.display="none";
			document.getElementById('opi'+po).style.display="none";
		}
		if (sa=='teksty') {
			var i=1;
			document.getElementById('z'+po).style.display="none";
			while(document.getElementById('txt'+po+'_'+i)) {
				document.getElementById('txt'+po+'_'+i).style.display="none";
				document.getElementById('a'+po+i).style.display="block";
			i++;
			}
		}

	}