innerHTML is working Fine FF and not in IE 6.0 version

this.componentHtml = function _componentHtml() {

var htmlStr = '';
htmlStr += ''
+''
//+'Enter Team Details'
+ '';
/*+'Team Name '
+''
+''
+'  '
+'Team Id '
+''
+''
+'  '
+'  '
+' ';*/
htmlStr += '';
htmlStr += ''
+''
+''
+''
+'';

return htmlStr;

}

function validTeamData(pTeamName,teamId){
if((pTeamName==""||pTeamName.length==0)|| (teamId=="" || teamId.length==0)){
alert("Fields can not be empty. Please enter correct details.");
return false;
}
return true;
}

function callTeamLeadManagerMachine(request,uri,callBack){
isState = false;
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null){
alert ("Browser does not support HTTP Request")
return
}
//var url=uri;
xmlHttp.onreadystatechange = callBack;
xmlHttp.open("POST",uri,true);
xmlHttp.send(XML.toString(request));
}

function GetXmlHttpObject(){
var objXMLHttp=null
if (window.XMLHttpRequest){
objXMLHttp=new XMLHttpRequest()
}else if (window.ActiveXObject){
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
}

function stateChanged(){
if(xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
document.getElementById("animIcon").innerHTML = '';
var lResponseData = XML.parse(xmlHttp.responseText);
if (lResponseData == null) {
alert("No Response from the server.");
return ;
}

var lResponseMsg = XML.selectOne(lResponseData,"response");
if(lResponseMsg == null){
alert("Empty Response from the server.");
return ;
}

var lUsersData = XML.selectOne(lResponseMsg,"users");
if(lUsersData == null || lUsersData==''){
alert(XML.getText(lResponseData,"message"));
return ;
}

var lUsersList = XML.select(lUsersData,"user");
document.getElementById("controlDiv").innerHTML = '';
var lHtmlString = 'Team Users Details ';

// var lHtmlString = ''
// +''
// +'Team Users ';

var lString='';
var lUserName='';
var lUserId='';
var status ='';
for(var i=0; i'
+'' ;
lString +=''+lUserName+''+status+'';
}

lHtmlString+=' &nbspUser NameStatus';
lHtmlString+=lString;
lHtmlString+= ''

+''
+'close'
+'suspend'
+''
+''
+'';
lHtmlString+='';
document.getElementById("controlDiv").innerHTML =lHtmlString;
}else{
document.getElementById("animIcon").innerHTML = '';
}
}

function cmsCallBack(){
if(xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
var lResponseData = XML.parse(xmlHttp.responseText);
if (lResponseData == null) {
alert("No Response from the server.");
return ;
}
var response = XML.selectOne(lResponseData,"response");
alert(XML.getText(lResponseData,"message"));
var lTeamLeadManagerRequest =MBFactory.getCMSRequestTemplate("get",MB.getTeamFrame().TEAM.lookUpToken().split("-")[0]);
XML.setText(lTeamLeadManagerRequest,"team-id",MB.getTeamFrame().TEAM.lookUpToken().split("-")[1]);
callTeamLeadManagerMachine(lTeamLeadManagerRequest,lCMSURL,stateChanged);
}
}

this.handleClick = function _handleClick(pElement,pExtras) {
switch(pElement.name){
case 'getUsers' :{
var lTeamName = document.getElementById("teamName").value;
this.teamName= lTeamName;
this.teamId = document.getElementById("teamId").value;
if(validTeamData(lTeamName,this.teamId)){
var lTeamLeadManagerRequest = MBFactory.getCMSRequestTemplate("get",this.teamName);
XML.setText(lTeamLeadManagerRequest,"team-id",this.teamId);
callTeamLeadManagerMachine(lTeamLeadManagerRequest,lCMSURL,stateChanged);
}
return true ;
}

case 'update' :{

if(this.checkedUserIds.length==0){
alert("please select user") ;
return false;
}else {
var lStatus = document.forms["suspend"]["status"].options[document.forms["suspend"]["status"].selectedIndex].text;
var lRequest = MBFactory.getCMSRequestTemplate("suspend",MB.getTeamFrame().TEAM.lookUpToken().split("-")[0],this.checkedUserIds.toString(),lStatus,MB.getTeamFrame().TEAM.lookUpToken().split("-")[1]);
callTeamLeadManagerMachine(lRequest,lCMSURL,cmsCallBack);

for(var i=0;i