<script language=javascript>
<!--
function check()
{
var OBJ=document.all('radiobutton');
if (OBJ)
{
for (var i=0;i<OBJ.length;i++)
if (OBJ[i].checked)
{
alert(OBJ[i].value);
break;
}
}
}
//-->
</script>
<!--
function check()
{
var OBJ=document.all('radiobutton');
if (OBJ)
{
for (var i=0;i<OBJ.length;i++)
if (OBJ[i].checked)
{
alert(OBJ[i].value);
break;
}
}
}
//-->
</script>
radioname.value先检查用户是否选中过
<input type="radio" name="radiobutton" value="123">123
<input type="radio" name="radiobutton" value="456">456
<input type="radio" name="radiobutton" value="789">789
<input type="radio" name="radiobutton" value="000">000
</form>
<script language="JavaScript">
<!--
function chk(){
var obj = event.srcElement;
(obj.type=='radio'&&obj.checked)?alert(obj.value):'';
}
//-->
</script>