// JavaScript Document
function radio_button_checker()
{
	// set var radio_choice to false
	var radio_choice = false;

	// Loop from zero to the one minus the number of radio button selections
	for (counter = 0; counter < document.poll.poll_radio.length; counter++)	{
		// If a radio button has been selected it will return true
		// (If not it will return false)
		if (document.poll.poll_radio[counter].checked)
		radio_choice = true; 
	}

	if (!radio_choice){
		// If there were no selections made display an alert box 
		alert("Please select one.")
		return (false);
	}
	else
		return (true);
}