function postDataReturnText(url,data,callback){
	var objRequest = false;

	if(window.XMLHttpRequest){
		objRequest = new XMLHttpRequest();

	}else if(window.ActiveXObject){
		objRequest = new ActiveXObject("Microsoft.XMLHTTP");

	}
	
	if(objRequest){
		objRequest.open("POST",url);
		objRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		objRequest.onreadystatechange = handleResponse;
		objRequest.send(data);
	}
	
	function handleResponse(){
		if(objRequest.readyState==4&&objRequest.status==200){
			callback(objRequest.responseText);
			
			delete objRequest;
			objRequest = null;
		}
	}
}