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 < radio_form.id.length; counter++)

{

// If a radio button has been selected it will return true

// (If not it will return false)

if (radio_form.id[counter].checked)

radio_choice = true; 

}



if (!radio_choice)

{

// If there were no selections made display an alert box 

return (false);

}

return (true);

}