function s1Func(){ var s1Radio = document.getElementById("s1Radio"); if(s1Radio.checked){ console.log("checked"); } }
function s2Func(){ console.log(s2Form.s2Radio.value); }
function s3Func(){ var s3Radio = document.getElementsByName("s3Radio") ; for(var i=0, i=s3Radio.length; i--;){ if(s3Radio[i].checked) { console.log(s3Radio[i].value); break ; } } }