function treeSelectSubmitTree() {
	var i=0;
	var checked = false;
	if(document.chooseTree.fnid.length) {
		// multiple radio button
		for(i=0; i<document.chooseTree.fnid.length; i++) {
			if(document.chooseTree.fnid[i].checked == true) {
				checked = true;
			}
		}
	} else {
		// single radio button
		checked = document.chooseTree.fnid.checked;
	}

	if(checked == true) {
		document.chooseTree.submit();
	} else {
		alert("Wybierz swoje domyślne drzewo");
	}
}

function treeSelectSubmitUser() {
	var i=0;
	var checked = false;
	if(document.chooseUser.uid.length) {
		// multiple radio button
		for(i=0; i<document.chooseUser.uid.length; i++) {
			if(document.chooseUser.uid[i].checked == true) {
				checked = true;
			}
		}
	} else {
		// single radio button
		checked = document.chooseUser.uid.checked;
	}

	if(checked == true) {
		document.chooseUser.submit();
	} else {
		alert("Wybierz swojego użytkownika");
	}
}