function wap($ch){
		 
		if($ch == 0) document.login_frm.username.value = "" ;
		else if($ch == 1){ 
		
		    document.getElementById('v1').style.display = 'block';
			document.getElementById('v2').style.display = 'none';
			document.login_frm.user_password.focus();
		}	
	}
		
function check(){		   
		
	var f = document.login_frm;
	if((f.username.value == "" ) || (f.username.value == '---- Nhập Tên ----' )){		     
		//document.getElementById('idshow').innerHTML="Nhập tên truy cập !";
		f.username.focus();
		return false ;
	}
	//Denie SQP Injection - importand
	if(f.username.value.indexOf("'")>=0 || f.username.value.indexOf("=")>=0 || f.username.value.indexOf("-")>=0 ||f.username.value.indexOf("or")>=0 ){
		//document.getElementById('idshow').innerHTML="Tên truy cập không hợp lệ !";
		f.username.focus();
		return false ;
	}
	if(f.user_password.value == "" ) {		     
		//document.getElementById('idshow').innerHTML="Nhập mật khẩu !";
		document.getElementById('v1').style.display = 'block';
		document.getElementById('v2').style.display = 'none';
		f.user_password.focus();
		return false ;
	}
	return true ;
} // check	  


function createXMLHttp() {
	   	
	if (typeof XMLHttpRequest != "undefined") {
		return new XMLHttpRequest(); //Mozilla Firefox, Safari, and Opera…
	} 
	else if (window.ActiveXObject) {
	
		var aVersions = [ "MSXML2.XMLHttp.5.0", "MSXML2.XMLHttp.4.0", "MSXML2.XMLHttp.3.0","MSXML2.XMLHttp", "Microsoft.XMLHttp"];
		for (var i = 0; i < aVersions.length; i++) {

			try {
				var oXmlHttp = new ActiveXObject(aVersions[i]);
				return oXmlHttp;
			} catch (oError) {
				//Do nothing
			}
		 }
	}//end else
		throw new Error("XMLHttp object could be created.");
}

var request = createXMLHttp();
/*
function checkRandomImage(vl){
	request.open('post','ajax_randomImage.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = outputRandomImage; 
	request.send('random='+vl);
}
*/

function outputRandomImage() {
			
	if(request.readyState == 1){
		document.getElementById('idcheckRandom').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('idcheckRandom').innerHTML = data;		
	}
}
function changeRandomImage(){
	request.open('post','ajax_changeRandomImage.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = outputChangRandom; 
	request.send(null);
}
function outputChangRandom() {
			
	if(request.readyState == 1){
		document.getElementById('idRandomImage').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('idRandomImage').innerHTML = data;		
	}
}

function AJXproduct(file,page) {
	
	request.open('post','ajax_'+file+'.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = outputProduct; 
	request.send('curpg='+page);		
}

function outputProduct() {
			
	if(request.readyState == 1){
		document.getElementById('show_product').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_product').innerHTML = data;		
	}
}

function ajxParentCat(page) {
	
	request.open('post','ajax_parenthot.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = outputProduct; 
	request.send('curpg='+page);		
}

function ajxOtherNews(page,link) {
	
	request.open('post','ajax_othernews.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = outputAjxOtherNews; 
	request.send('curpg='+page+'&link='+link);		
}

function ajxOtherNewsVN(page,link) {
	
	request.open('post','ajax_othernewsVN.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = outputAjxOtherNews; 
	request.send('curpg='+page+'&link='+link);		
}

function outputAjxOtherNews() {
			
	if(request.readyState == 1){
		document.getElementById('idOtherNews').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('idOtherNews').innerHTML = data;		
	}
}
function ajxLink(page,link) {
	
	request.open('post','ajax_'+page+'.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = outputAjxOtherNews; 
	request.send('id='+link);		
}

function ajxNewsDetail(idNews) {
	
	request.open('post','ajax_newsdetail.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = outputNewsDetail; 
	request.send('curpg='+idNews);		
}

function outputNewsDetail() {
			
	if(request.readyState == 1){
		document.getElementById('idNewsDetail').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('idNewsDetail').innerHTML = data;		
	}
}

function AJXkorea(file,page) {
	
	request.open('post','ajax_'+file+'.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = outputStudyKorea; 
	request.send('curpg='+page);		
}

function outputStudyKorea() {
			
	if(request.readyState == 1){
		document.getElementById('show_korea').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_korea').innerHTML = data;		
	}
}

function AJXVip(file,page) {
	
	request.open('post','ajax_'+file+'.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = outputVip; 
	request.send('curpg='+page);		
}

function outputVip() {
			
	if(request.readyState == 1){
		document.getElementById('show_vip').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_vip').innerHTML = data;		
	}
}

function AJXlinker(file,page) {
	
	request.open('post','ajax_'+file+'.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = outputLinker; 
	request.send('curpg='+page);		
}

function outputLinker() {
			
	if(request.readyState == 1){
		document.getElementById('show_linker').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_linker').innerHTML = data;		
	}
}

function ajaxOnlyOnceNews(file,$news_id,$function_show){
	request.open('post','ajax_'+file+'.php');
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = eval($function_show)
	request.send('curpg='+$news_id);
}

function onlyNews11() {
			
	if(request.readyState == 1){
		document.getElementById('show_news11').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news11').innerHTML = data;		
	}
}
function onlyNews10() {
			
	if(request.readyState == 1){
		document.getElementById('show_news10').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news10').innerHTML = data;		
	}
}
function onlyNews101() {
			
	if(request.readyState == 1){
		document.getElementById('show_news101').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news101').innerHTML = data;		
	}
}

function onlyNews12() {
			
	if(request.readyState == 1){
		document.getElementById('show_news12').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news12').innerHTML = data;		
	}
}
function onlyNews13() {
			
	if(request.readyState == 1){
		document.getElementById('show_news13').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news13').innerHTML = data;		
	}
}
function onlyNews14() {
			
	if(request.readyState == 1){
		document.getElementById('show_news14').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news14').innerHTML = data;		
	}
}
function onlyNews15() {
			
	if(request.readyState == 1){
		document.getElementById('show_news15').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news15').innerHTML = data;		
	}
}

function onlyNews20() {
			
	if(request.readyState == 1){
		document.getElementById('show_news20').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news20').innerHTML = data;		
	}
}
function onlyNews21() {
			
	if(request.readyState == 1){
		document.getElementById('show_news21').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news21').innerHTML = data;		
	}
}
function onlyNews22() {
			
	if(request.readyState == 1){
		document.getElementById('show_news22').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news22').innerHTML = data;		
	}
}
function onlyNews23() {
			
	if(request.readyState == 1){
		document.getElementById('show_news23').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news23').innerHTML = data;		
	}
}
function onlyNews24() {
			
	if(request.readyState == 1){
		document.getElementById('show_news24').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news24').innerHTML = data;		
	}
}
function onlyNews25() {
			
	if(request.readyState == 1){
		document.getElementById('show_news25').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news25').innerHTML = data;		
	}
}
function onlyNews30() {
			
	if(request.readyState == 1){
		document.getElementById('show_news30').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news30').innerHTML = data;		
	}
}
function onlyNews31() {
			
	if(request.readyState == 1){
		document.getElementById('show_news31').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news31').innerHTML = data;		
	}
}
function onlyNews32() {
			
	if(request.readyState == 1){
		document.getElementById('show_news32').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news32').innerHTML = data;		
	}
}
function onlyNews33() {
			
	if(request.readyState == 1){
		document.getElementById('show_news33').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news33').innerHTML = data;		
	}
}
function onlyNews34() {
			
	if(request.readyState == 1){
		document.getElementById('show_news34').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('show_news34').innerHTML = data;		
	}
}

//# 
function checkFrmAdvertisement(){
	
	var f=document.frm_advertisement;
	if(f.txtFullName.value==''){
		document.getElementById('idtxtFullName').innerHTML='Please input fullname !';
		f.txtFullName.focus();		
		return false;
	}
	if(f.txtFullName.value.indexOf("=")>=0 || f.txtFullName.value.indexOf("or")>=0 || f.txtFullName.value.indexOf(" ' ")>=0) {
		document.getElementById("idtxtFullName").innerHTML = "Fullname exist special keyword !";
		f.txtFullName.focus();
		return false;
	}
	
	if(f.txtEmail.value !=""){
		
		var aString 	= f.txtEmail.value;
		var s 			= aString.lastIndexOf(".");
		var endEmail	= aString.substring(s+1, aString.length);
		if(f.txtEmail.value.indexOf("@")<0 || f.txtEmail.value.indexOf(".")<0 || (endEmail.length)<2) {
			document.getElementById("idtxtEmail").innerHTML='Email invalid !';
			f.txtEmail.focus();
			return false;
		}
	}
	
	if(f.txtTitle.value==''){
		document.getElementById('idtxtTitle').innerHTML='Please input title !';
		f.txtTitle.focus();		
		return false;
	}
	if(f.txtTitle.value.indexOf("<")>=0 || f.txtTitle.value.indexOf("script")>=0) {
		document.getElementById("idtxtTitle").innerHTML = "Title exist special keyword !";
		f.txtTitle.focus();
		return false;
	}
	if(f.txtContent.value==''){
		document.getElementById('idtxtContent').innerHTML='Please input content !';
		f.txtContent.focus();		
		return false;
	}
	
	if(f.txtContent.value.indexOf("<")>=0 || f.txtContent.value.indexOf("script")>=0) {
		document.getElementById("idtxtContent").innerHTML = "Content exist special keyword !";
		f.txtContent.focus();
		return false;
	}
	frm_advertisement.submit();
}

function checkSearch(){
	var f = document.frm_search;
	if(f.txtSearch.value=='' 
		|| f.txtSearch.value=='Nhập dữ liệu cần tìm !' 
		|| f.txtSearch.value=='Ký tự tìm kiếm không cho phép !') {
			
		f.txtSearch.value = 'Nhập dữ liệu cần tìm !';
		//f.txtSearch.focus();
		return false;
	}
	
	var keyValue= f.txtSearch.value;
	var keyInvalid = [ "sexy","sex","XXX","XX","girl","đồ má","xx","xxx","địt mẹ","fuck"];
	for (var i=0; i<keyInvalid.length; i++) {
		
		var keyArr	= keyInvalid[i]
		if(keyValue.toUpperCase() == keyArr.toUpperCase()){
			f.txtSearch.value = 'Ký tự tìm kiếm không cho phép !';
			return false;
		}
	}
		
	frm_search.submit();
}

/*
function checkDataByAjax( url,queryString,idName ){		
	
		url = url + "?" + queryString;  
		if (request==null){
			alert ("Browser does not support HTTP Request");
			return;
 		}
		 
		request.open( "post", url );
		request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		request.onreadystatechange = function (){
				 
			if(request.readyState == 1){
				document.getElementById('idInputCode').innerHTML = '<div align="center">Loading ...</div>';
			}
			if(request.readyState == 4){
				var data = request.responseText;
				document.getElementById(idName).innerHTML = data;		
			}
			 
		}
		 
	request.send( null );
}
*/
function checkDataByAjax(url,queryString){
	 var nocache = 0 ;
	 nocache = Math.random();
	    
	url = url + "?" + queryString + '&nocache'+nocache;
	request.open('post',url);
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	request.onreadystatechange = output_imgCode; 
	request.send(null);
}
function output_imgCode() {
				
	if(request.readyState == 1){
		document.getElementById('idSecurityCode').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('idSecurityCode').innerHTML = data;		
	}
}

function checkFrmContact(){
	var f= document.frm_contact;
	if(f.cUsername.value==''){
		document.getElementById("idcUsername").innerHTML = "Please input full name !";
		f.cUsername.focus();
		return false;		
	}
	if(f.cContent.value==''){
		document.getElementById("idcContent").innerHTML = "Please input content !";
		f.cContent.focus();
		return false;		
	}
	if(f.inputCode.value==''){
		document.getElementById("idInputCode").innerHTML = "Please input verification !";
		f.inputCode.focus();
		return false;		
	}
	if(f.charector_image.value==0){
		document.getElementById("idInputCode").innerHTML = '<font color="red">Image code not match !</font>';
		f.inputCode.focus();
		return false ;			
	}
	document.frm_contact.submit();
}

function check_image(file,charector) {	
	    var nocache = 0 ;
	    nocache = Math.random();
		request.open('post','ajax_'+file+'.php');
		request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		request.onreadystatechange = output_img; 
		request.send('c='+charector+'&nocache='+nocache);		
	}
	
function output_img() {
				
	if(request.readyState == 1){
		document.getElementById('idInputCode').innerHTML = '<div align="center">Loading ...</div>';
	}
	if(request.readyState == 4){
		var data = request.responseText;
		document.getElementById('idInputCode').innerHTML = data;		
	}
}
	

function checkFrmSendEmail(){
	
	var f= document.frm_sendemail;
	
	if(f.txtYourName.value==''){
		document.getElementById("idtxtYourName").innerHTML = "Please input full name !";
		f.txtYourName.focus();
		return false;		
	}
	if(f.txtReceiveEmail.value==''){
		document.getElementById("idtxtReceiveEmail").innerHTML = "Please input receive email !";
		f.txtReceiveEmail.focus();
		return false;		
	}
	if(f.txtContent.value.indexOf("<")>=0 || f.txtContent.value.indexOf("script")>=0) {
		document.getElementById("idtxtContent").innerHTML = "Content exist special keyword !";
		f.txtContent.focus();
		return false;
	}
	if(f.inputCode.value==''){
		document.getElementById("idInputCode").innerHTML = "Please input verification !";
		f.inputCode.focus();
		return false;		
	}
	if(f.charector_image.value==0){
		document.getElementById("idInputCode").innerHTML = '<font color="red">Image code not match !</font>';
		f.inputCode.focus();
		return false ;			
	}
	document.frm_sendemail.submit();
}