解决AJAX乱问题

<SCRIPT language="JavaScript">
<!--

function dealDot(text) {
	var result = "";
	for(i=0; i<text.length; i++) {
		if(text.charAt(i) != ',') {
			result += text.charAt(i); 
		}
	}
	return result;
}	
	
var varModkb = 1;
var varLinno = 0;
var buttonObj;
function ajaxUpdate(buttonObject, zaiseq, linno, modkb) {
	buttonObj = buttonObject;
	varModkb = modkb;
	varLinno = linno;
    createXMLHttpRequest();
    var gentk = dealDot(document.getElementById("tk" + buttonObject.id).value);
    var zaisu = dealDot(document.getElementById("sum" + buttonObject.id).value);
    var genkn = dealDot(document.getElementById("kn" + buttonObject.id).value);
    var oldLockidId = document.getElementById("lockid" + buttonObject.id).value;
    var url = "zaikoMainteAction.do";
    xmlHttp.open("POST", url, true);
    xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    xmlHttp.onreadystatechange = responseText1;
          
    var queryString = "method=ajaxUpdate&zaiseq=" + zaiseq + "&gentk=" + gentk + "&zaisu=" + new String(zaisu) + "&genkn=" + genkn +  "&linno="+linno + "&lockid=" + oldLockidId;
   	queryString = encodeURI(queryString);
   	queryString = encodeURI(queryString);
    xmlHttp.send(queryString);
}
function responseText1() {
	if (xmlHttp.readyState == 4) {
		if (xmlHttp.status == 200) {
			var text = xmlHttp.responseText;
			var location = text.indexOf('$');
			var dataInfo = text.substring(0,location);
			var errInfo = text.substr(location + 1);
           		
       		var lockid = dataInfo.substring(1,dataInfo.indexOf(")"));
       		var genkn = dataInfo.substr(dataInfo.indexOf(")") + 1);
       		document.getElementById("lockid" + buttonObj.id).value = lockid;
           	if( errInfo == "success") {
           		if(varModkb == 0) {
       				var modkbObject = document.getElementById("modkbId"  + varLinno);
       				modkbObject.innerHTML = "●";
       			 }
        			 
       			document.getElementById("kn" + buttonObj.id).value = genkn;
           		document.getElementById("zaiSumGentk" + buttonObj.id).innerHTML = genkn;
       			parent.Copyright.writeErr('');
           	 } else {
           		if((trim(genkn).length) != 0) {
           			document.getElementById("kn" + buttonObj.id).value = genkn;
           			document.getElementById("zaiSumGentk" + buttonObj.id).innerHTML = genkn;
           		}
           		parent.Copyright.writeErr(errInfo);
			 }
		}
	}
}
-->
</SCRIPT>

注意：encodeURI要使用两次, 本例子使用的是POST提交

在服务器端使用如下方式进行处理。

zaisu = URLDecoder.decode((LengthFormat.formatFullRLSpaceCut(zaisu)), "UTF-8");
zaiseq = URLDecoder.decode(request.getParameter("zaiseq"), "UTF-8");