<html><head><title>Checking a Radio Button Group</title><script language="javascript" type="text/javascript"><!--//function evalGroup(){ var group = document.radioForm.myRadio; for (var i=0; i<group.length; i++) { if (group[i].checked) break; } if (i==group.length) return alert("No radio button is checked"); alert("Radio Button " + (i+1) + " is checked.");}//--></script></head><body><h1>Checking a Radio Button Group</h1><form name="radioForm"> Radio Button 1: <input type="radio" name="myRadio" /><br /> Radio Button 2: <input type="radio" name="myRadio" /><br /> Radio Button 3: <input type="radio" name="myRadio" /><br /> Radio Button 4: <input type="radio" name="myRadio" /><br /><br /> <input type="button" value="Eval Group" onclick="evalGroup()" /></form></body></html>
