// JavaScript Document

//var http_request	= false;

//var show_id			= false;

function makeRequest(url, obj_response, method, parameters) {

	var http_request	= false;

	var show_id			= document.getElementById(obj_response);

	if (!show_id) {

		//alert('Cannot find object response data !');	

		return false;

	}

	if(url == ""){

		return false;

	}

	show_id.innerHTML	= '<table id=\"load_data\" class=\"load_data\" width=\"100%\"><tr><td><div>Loading... !</div><div><img border=\"0\" vspace=\"5\" src=\"images/loading.gif\" /></div></td></tr></table>';

	if (window.XMLHttpRequest) { // Mozilla, Safari,...

		http_request	= new XMLHttpRequest();

		if (http_request.overrideMimeType) {

			//set type accordingly to anticipated content type

			http_request.overrideMimeType('text/html');

		}

	} else if (window.ActiveXObject) { // IE

		try {

			http_request = new ActiveXObject('Msxml2.XMLHTTP');

		} catch (e) {

			try {

				http_request = new ActiveXObject('Microsoft.XMLHTTP');

			} catch (e) {}

		}

	}

	if (!http_request) {

		alert('Cannot create XMLHTTP instance');

		return false;

	}

	

	http_request.onreadystatechange=	function(){

													if (http_request.readyState == 4) {

														if (http_request.status == 200) {

															//alert(http_request.responseText);

															show_id.innerHTML = http_request.responseText;     

														} else {

															//alert('There was a problem with the request.');

															return false;

														}

													}

												}

	if(method == 'GET'){

		http_request.open('GET', url, true);

		http_request.send('');

	}

	else if(method == 'POST'){

		http_request.open('POST', url, true);

		http_request.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');

		http_request.setRequestHeader('Content-length', parameters.length);

		http_request.setRequestHeader('Connection', 'close');

		http_request.send(parameters);

	}

}



function submitFormByAjax(file_action, obj_response, method, arrObject){

	if(typeof(arrObject) !== 'object'){

		alert('Array object is do not match !');

		return false;

	}

	var parameters	= '';

	for(i=0; i<arrObject.length; i++){

		parameters = parameters + arrObject[i] + '=' + encodeURI(document.getElementById(arrObject[i]).value);

		if(i < arrObject.length-1) parameters = parameters + '&';

	}

	if(method == 'GET') file_action = file_action + '?' + parameters;

	makeRequest(file_action, obj_response, method, parameters);

}



function load_data(file_action, obj_response){

	makeRequest(file_action, obj_response, 'GET', '')

}



function getData(dataSource, divID){

	var XMLHttpRequestObject = false;

	var myobj = document.getElementById(divID);

	if (!myobj){

		return;

	}

	if(dataSource == ""){

		return false;

	}

	myobj.innerHTML	= 'Đang kiểm tra tài khoản... !';

	if (window.XMLHttpRequest) {

		XMLHttpRequestObject = new XMLHttpRequest();

	} 

	else if (window.ActiveXObject) {

		XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");

	}

	if(XMLHttpRequestObject) {

		XMLHttpRequestObject.open("GET", dataSource);

		XMLHttpRequestObject.onreadystatechange = function()

		{

			if (XMLHttpRequestObject.readyState == 4 &&	XMLHttpRequestObject.status == 200) {

				myobj.innerHTML = XMLHttpRequestObject.responseText;

			}

		}

	XMLHttpRequestObject.send(null);

	}

}