<script>
function ch(){
if(frmA.a.checked)alert(frmA.a.value+"被选了")
if(frmA.b.checked)alert(frmA.b.value+"被选了")
if(frmA.c.checked)alert(frmA.c.value+"被选了")
}
</script>
<form name="frmA" >
<input type="radio" name="a" value="1">
<input type="radio" name="b" value="2">
<input type="radio" name="c" value="3"> <input type=submit onclick=ch()>
</form>
function ch(){
if(frmA.a.checked)alert(frmA.a.value+"被选了")
if(frmA.b.checked)alert(frmA.b.value+"被选了")
if(frmA.c.checked)alert(frmA.c.value+"被选了")
}
</script>
<form name="frmA" >
<input type="radio" name="a" value="1">
<input type="radio" name="b" value="2">
<input type="radio" name="c" value="3"> <input type=submit onclick=ch()>
</form>
for (i=0;i<iptR.length;i++){
if (iptR(i).checked)
alert("选中")
else
alert("未选中")
}