CKEditor มันไม่ยอมส่งค่า ไป Query ผ่าน AJAX อะครับช่วยด้วย

function save_formemail()
	{
		
		HttPRequest = false;
		  if (window.XMLHttpRequest) { // Mozilla, Safari,...
			 HttPRequest = new XMLHttpRequest();
			 if (HttPRequest.overrideMimeType) {
				HttPRequest.overrideMimeType('text/html');
			 }
		  } else if (window.ActiveXObject) { // IE
			 try {
				HttPRequest = new ActiveXObject("Msxml2.XMLHTTP");
			 } catch (e) {
				try {
				   HttPRequest = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			 }
		  } 
		  
		  if (!HttPRequest) {
			 alert('Cannot create XMLHTTP instance');
			 return false;
		  }

		
		alert('test save_formemail');
		
		var req = Inint_AJAX();
		var str = Math.random();
		var str_url = "./pph_include/ajax/files/save_formemail.php?clearmemory="+str;
		var pmeters = "txt_title=" + document.getElementById("txt_title").value +
							"&txt_email=" + document.getElementById("txt_email").value +
							"&txt_name=" + document.getElementById("txt_name").value +
							"&editor1=" +  document.getElementById("editor1").value +
							"&admin_name=" +  document.getElementById("admin_name").value +
							"&today=" + document.getElementById("today").value ;

		alert(pmeters);

		req.open('POST', str_url , true)
		req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		req.setRequestHeader("Content-length", pmeters.length);
		req.setRequestHeader("Connection", "close");
		req.send(pmeters);

			req.onreadystatechange = function() 
			{
				if (req.readyState==4) 
					{
						if (req.status==200) 
							{
								alert('บันทึกอีเมลล์นี้เรียบร้อยแล้วค่ะ');
								view_email_link();
								document.getElementById("show_result").innerHTML="";
							}
					}
				else
					{
						document.getElementById("show_result").innerHTML="<center><b>กำลังบันทึก</b><br><br><img src='./pph_include/images/LoadingAnimation.gif'></center><br>";
					}
			}
			req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			req.send(null);
	}

<?header ('Content-type: text/html; charset=utf-8'); 
	include ("../class/config.php");
	require_once ("../../class/connect_mysql.php");
		
	$save_form_email="INSERT INTO `form_sendemail` (`PK_ID`, `mail_title`, `mail_sender`, `mail_name_sender`, `mail_content`, `edit_by`, `edit_date`) VALUES (NULL, '".$_REQUEST[txt_title]."', '".$_REQUEST[txt_email]."', '".$_REQUEST[txt_name]."', '".$_REQUEST[editor1]."', '".$_REQUEST[admin_name]."', '".$_REQUEST[today]."');";
	
	mysql_query("SET NAMES UTF8");
	$result_save_form_email =mysql_query($save_form_email);

	require_once ("../../class/close_mysql.php");
?>