// The getRadio(radio) function returns the 
// value of the active radio button. 
 
FUNCTION getRadio(radio){
 
         // Parameters:
            // "radio" is a radio button object, <formname>.<radiogroup>
 
         // Behavior:
            // The value of the active radio button is returned to the caller
 
   FOR(i=0; i<radio.length; i++){
      IF(radio[i].checked){
         RETURN(radio[i].value);
         BREAK;
      }
   }
}
 
 
// The setRadio(radio, value) function sets the 
// active radio button that matches the value.
 
FUNCTION setRadio(radio, value){
 
         // Parameters:
            // "radio" is a radio button object, <formname>.<radiogroup>
            // "value" is the radio button to activate
 
         // Behavior:
            // Sets the active radio button
 
   FOR(i=0; i<radio.length; i++){
      IF(radio[i].value == value){
         radio[i].checked = TRUE;
      } ELSE {
         radio[i].checked = FALSE;
      }
   }
 
}