ส่งค่าด้วย Ajax แล้วค่าที่ส่งไป มันตัดเว้นวรรคออกครับ

var HttPRequest = false;

	   function doCallAjax(cal_id) {
		  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;
		  }
	
			var url = 'Update_t_motor_all.asp';
			
			var Note_cal_note_1=eval("document.autoSumForm.Note_cal_note_"+cal_id+".value");
			var pmeters = 'Note_cal_note=' +thai(Note_cal_note_1)+ '&Cal_ID='+cal_id;
			HttPRequest.open('POST',url,true);

			HttPRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			HttPRequest.setRequestHeader("Content-length", pmeters.length);
			HttPRequest.setRequestHeader("Connection", "close");
			HttPRequest.send(pmeters);
			
			
			HttPRequest.onreadystatechange = function()
			{

				 if(HttPRequest.readyState == 3)  // Loading Request
				  {
				   document.getElementById("mySpan_" + cal_id).innerHTML = "Now is Loading...";
				  }

				 if(HttPRequest.readyState == 4) // Return Request
				  {
				   document.getElementById("mySpan_" + cal_id).innerHTML = HttPRequest.responseText;
				  }
				
			}

			/*
			HttPRequest.onreadystatechange = call function .... // Call other function
			*/

	   }
	   
	   var hexChars = "0123456789ABCDEF";

		function Dec2Hex (Dec) {
		var a = Dec % 16;
		var b = (Dec - a)/16;
		hex = "" + hexChars.charAt(b) + hexChars.charAt(a);
		return hex;
		}
		
		function thai(s){
		s2='';
		for(var i=0;i<s.length;i++){
		if(s.charCodeAt(i)>3423){
		n=s.charCodeAt(i)-3424;
		s2+='%'+Dec2Hex(n);
		}else s2+=s.charAt(i);
		}
		return s2
		}