global proc radioDemo()
{
	string $win = `window`;
	rowColumnLayout -nc 1;
	string $radioButtonsName = `radioButtonGrp -nrb 4 -label "LABEL" -la4 "first" "second" "third" "fourth" -vr -sl 3 -cw 1 75`;
	button -label "CLICK HERE" -c ("printSelection "+$radioButtonsName);
	showWindow $win;
}
proc printSelection(string $radioButtonsName)
{
	int $selection = `radioButtonGrp -q -sl $radioButtonsName`;
	print ($selection+"\n");
}