ต้องการจะส่งค่าตัวแปร่ใส่ POSTหลังจากเราคลิกทำไงครับ

$.ajax({
  type: "POST",
  url: url,
  data: data,
  success: success,
  dataType: dataType
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script type='text/javascript'>
function fncRadio(radiodata)
{
	if (radiodata=="Y")
	{		
		document.getElementById("bnlink").disabled = true;
		document.getElementById("menucde").disabled = false;
		document.getElementById("smenucde").disabled = false;
		document.getElementById("smenucde").disabled = false;		
	}
	if (radiodata=="N")
	{
		document.getElementById("bnlink").disabled = false;
		document.getElementById("menucde").disabled = true;
		document.getElementById("smenucde").disabled = true;
	}
	$.ajax({
	  type: "POST",
	  url: edit.php,
	  data: radiodata,	  
	  dataType: html
	}).done(function( msg ) {
	    alert( "Data Saved: " + msg );
	});
}
</script>

//ตัวเลือก 1
<input name="data" type="radio" id="radiodata1" value="Y" onClick="fncRadio(this.value)" />
//ตัวเลือก 2
<input name="data" type="radio" id="radiodata2" value="N" onClick="fncRadio(this.value)" />