
<!---
// NUEVA FUNCION POR el_cuervo
function openImage(url)
{
	/*image_1 = new Image();
	image_1.src = url;*/
	//var options = "width=" + (image_1.width) + ",height=" + (image_1.height)+ "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no";
	//var options = "width=600,height=350,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no";
	
	var alto = 0;
	var ancho = 0;
	
	TopPosition=(screen.height)?(screen.height-alto)/2:100;
	LeftPosition=(screen.width)?(screen.width-ancho)/2:100;
	
	new_window = window.open(url, 'Ampliar', 'width=400,height=200,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,left='+LeftPosition+',top='+TopPosition+'');	
    new_window.focus();
}
// FIN DE NUEVA FUNCION POR el_cuerv

function owin(filename,winname,width,height) {
	var features, top, left;
	
	left = (window.screen.width - width) / 2;
	top = (window.screen.height - height) / 2;	
	features = "width=" + width + ",height=" + height + ",top=" + top + ",left=" + left;
	void(window.open(filename,winname,features));
}

function checkreg(){
var Max=12;
var Min=6;
	if (document.form.username.value=='')
	{
		alert("Ban chua nhap Username! Moi ban nhap lai.");
		document.form.username.focus();
		return false
	}
	if (document.form.userpassword.value=='')
	{
		alert("Ban chua nhap Password! Moi ban nhap lai");
		document.form.userpassword.focus();
		return false
	}
	if (document.form.userpassword.value.length > Max)
	{
		alert("Password cua ban qua dai! Moi ban nhap lai");
		document.form.userpassword.focus();
		return false
	}
	if(document.form.userpassword.value.length<Min)
	{
		alert("Password cua ban qua ngan! Moi ban vao lai");
		document.form.userpassword.focus();
		return false
	}

	if (document.form.confirmuserpassword.value=='')
	{
		alert("Ban chua nhap Confirm! Moi ban nhap lai");
		document.form.confirmuserpassword.focus();
		return false
	}
	if (document.form.confirmuseremail.value=='')
	{
		alert("Ban chua nhap Confirm! Moi ban nhap lai");
		document.form.confirmuseremail.focus();
		return false
	}
	if ((document.form.userpassword.value)!=(document.form.confirmuserpassword.value))
	{
		alert("Xac nhan mat khau sai! Moi ban nhap lai");
		document.form.confirmuserpassword.focus();
		return false
	}
	if (document.form.useremail.value=='')
	{
		alert("Ban chua nhap e-mail! Moi ban nhap lai");
		document.form.useremail.focus();
		return false
	}
	return true
}

var oldcolor;
function over(obj,color){
	oldcolor=obj.bgColor;
	obj.bgColor=color;
}
function out(obj){
	obj.bgColor=oldcolor;
}
function doquest(str){
	if (confirm(str))
		return true
	else
		return false
}

function chk(){
	var len=document.manager.elements.length;
	len=(len>3)?document.manager.chkid.length:0;
	if (document.manager.chkall.checked==true){
		if (len>0) for(var i=0;i<len;i++) document.manager.chkid[i].checked=true;
		else document.manager.chkid.checked=true;
	}
	else {
		if (len>0) for(var i=0;i<len;i++) document.manager.chkid[i].checked=false;
		else document.manager.chkid.checked=false;
	}
}
function checkform(){
	if (document.formsearch.info.value=='')
	{
		alert("Ban chua nhap thong so can tim!");
		document.formsearch.info.focus();
		return false
	}
	return true
}
function chkform(){
	if (document.formsearch.cate.value=='')
	{
		alert("Ban chua nhap thong so can tim!");
		document.formsearch.cate.focus();
		return false
	}
	else{
		if (document.formsearch.info.value=='')
		{
			alert("Ban chua nhap thong so can tim!");
			document.formsearch.info.focus();
			return false
		}
		return true
	}
	return true
}

function chkurl(){
	var s=document.formsearch.info.value
	if (s=='')
	{
		alert("Ban chua vao dia chi. Moi van vao dia chi.");
		document.formsearch.info.focus();
		return false
	}
	if((s.substr(0,6)!='ftp://') & (s.substr(0,7)!='http://')& (s.substr(0,7)!='mailto:') & (s.substr(0,9)!='gopher://')&(s.substr(0,8)!='https://') & (s.substr(0,9)!='telnet://')&(s.substr(0,7)!='nntp://') & (s.substr(0,7)!='news://')) {
		alert("Dia chi url cua ban khong hop le. Moi ban vao lai.");
		document.formsearch.info.focus();
		return false
	}
	return true
}


function check_email(){
	var s=document.form.mail.value ;
	var msg="" ;
	if (s=="") chk=0 ;
	if (s.indexOf("@")==-1) {msg=msg+"(Khong co @) ";}
	if (s.indexOf(" ")>0) {msg=msg+"(Co khoang trang) ";}
	if (s.indexOf("..")!=-1){msg=msg+"(Co hai dau .) ";}
	if (s.indexOf(".")==-1){msg=msg+"(Khong co dau .) ";}
	if (s.indexOf("@")!=s.lastIndexOf("@")){msg=msg+"(Co hai dau @) ";}
	//if (s.lastIndexOf(".")==s.length-1){msg=msg+" Phia cuoi co dau . ";}
	//var str="abcdefghijklmnopqrstuvwxyz-@._123456789";
	//for (var j=0;j<s.length ;j++ ) if (str.indexOf(s.charAt(j)!=-1)) {msg=msg+" Ki tu khong hop le ";}
	if (document.form.pass.value=="") {msg=msg+" Ban chua nhap Password ";}
	if (msg!=0){	
			alert(msg+"Moi ban vao lai");
			document.form.mail.focus();
			return false 
	}
	else 
		return true 
}

function explorer(iself,name1,name2,divID) {
	if (iself.src.lastIndexOf(name1)==iself.src.length-name1.length) {	
		iself.src = name2;
		document.all[divID].style.display='';				
	}
	else {
		iself.src = name1;		
		document.all[divID].style.display='none';
	}	
}


function ex(obj) {
	if (obj.style.display=='') {	
		obj.style.display='none';
	}
	else {
		obj.style.display='';
	}	
}


function checkemail(){
	var s=document.form.useremail.value ;
	var msg="" ;
	if (s=="") chk=0 ;
	if (s.indexOf("@")==-1) {msg=msg+"Khong co @ ";}
	if (s.indexOf(" ")>0) {msg=msg+" Co khoang trang ";}
	if (s.indexOf("..")!=-1){msg=msg+" Co hai dau . ";}
	if (s.indexOf(".")==-1){msg=msg+" Khong co dau . ";}
	if (s.indexOf("@")!=s.lastIndexOf("@")){msg=msg+" Co hai dau @ ";}
	if (msg!=0){	
			alert(msg+" Moi ban vao lai ");
			document.form.useremail.focus();
			return false 
	}
	else 
		return true 
}
var oldimage;
function ov(obj,image){
	oldimage=obj.background;
	obj.background=image;
}
function ou(obj){
	obj.background=oldimage;
}
function  checkAll(){
	for (var i=0;i<document.formman.elements.length;i++){
		var e = document.formman.elements[i];
		if (e.name != "deleteAll") e.checked = document.formman.deleteAll.checked;
	}
}


function CheckList(){
	for (var j=0;j<document.formman.elements.length;j++){
		if (document.formman.elements[j].checked){
			return true;
		}
	}
	alert("You have chose one Item !");
	return false;
}
var oldimage
function changeImage(iself,img_0,img_1){
	if (iself.src=img_0) 
		iself.src=img_1;
	else
		iself.src=img_1;
}
var odlvalue
function erInput(obj){
	if((obj.value=='Your Mail')||(obj.value=='Your Password')){
		oldvalue=obj.value
		obj.value=""
	}
	else{
		oldvalue=obj.value
	}
}

function get(obj){
	if (obj.value==''){
		obj.value=oldvalue
	}
}
function checknum(){
	var obj=document.form.newRate
	var len=document.form.newRate.value.length;
	var str=document.form.newRate.value;
	var s='0123456789';
	for (var j=0;j<=len ;j++ ){
		if (s.indexOf(str.charAt(j)!=-1)){
			alert("Chuoi cua ban phai la mot so");
			obj.value='';
			obj.focus();
			return false;
		}
	}
	return true
}

function InsertImage(obj){
	document.FormItem.DisplayImage.src=obj.value;
	return false;
}

function getSearch(obj){ if (obj.value=='') obj.value='Search here !!!' }
function erSearch(obj){obj.value=''}


function PopUps(url,width,height,top,left,scrollbars,toolbar){
	var StrParameter="width="+width+",height="+height+",top="+top+",left="+left+",scrollbars="+scrollbars+",toolbar="+toolbar+",resize="+resize+",directories="+directories+",status="+status+",menubar="+menubar+"location="+location;
	newWindow=open(url,"a",StrParameter);
}

function PopUp(url,name,width,height,top,left,center,scrollbars,toolbar){

	if ((parseInt (navigator.appVersion) >= 4 ) && (center)) {
		top = (screen.width  - width ) / 2;
		left = (screen.height - height) / 2;
	}
	var StrParameter="name="+name+",width="+width+",height="+height+",top="+top+",left="+left+",scrollbars="+scrollbars+",toolbar="+toolbar;
	newWindow=open(url,"a",StrParameter);
}

function refresh(url){
	window.location=url;
}

function show(divID){
	if (document.all[divID].style.display=='')
	{
		document.all[divID].style.display='none';				
	}
	else {
		document.all[divID].style.display='';
	}
}

function changecolor(obj,color){
	if (obj.bgColor=='')
	{
		obj.bgColor=color;
	}
	else {
		obj.bgColor='';				
	}
}

var odlvalue
function erInput(obj){
	if((obj.value=='Enter Keyword')){
		oldvalue=obj.value
		obj.value=""
	}
	else{
		oldvalue=obj.value
	}
}

function get(obj){
	if (obj.value==''){
		obj.value=oldvalue
	}
}







 //original author unknown







function launchGen(h,t){
	var f="resizable=0";
	GrowFromCenter(h,t,'','',f);
}
function launchGbook(h,t){
	var f="location,directories,status,menubar,toolbar,resizable,scrollbars";
//screen.availWidth;
//screen.availHeight;
	GrowFromCenter(h,t,800,500,f);
}
function NewWindow(u,n,w,h,f,p,x,y){
	var    ws=window.screen?1:0,m=Math,C='center',R='random',M='custom',sw=screen.availWidth,sh=screen.availHeight,T=(p==C&&ws)?(sh-h)/2:(p==R&&ws)?(m.floor(m.random()*(sh-h))):(p==M)?y:100,L=(p==C&&ws)?(sw-w)/2:(p==R&&ws)?(m.floor(m.random()*(sw-w))):(p==M)?x:100,s='width='+w+',height='+h+',top='+T+',screeny='+T+',left='+L+',screenx='+L;
	s+=(!f||f=='')?'':','+f;
	win=window.open(u,n,s);
	if(win.focus)win.focus();
}
function GrowFromCenter(u,n,w,h,f){
	var WO=(d=document,WW=WH=100,s=window.screen,ws=s?1:0,sw=ws?s.availWidth:800,sh=ws?s.availHeight:640,x=(sw-WW)/2,y=(sh-WH)/2,l=(sw-w)/2,t=(sh-h)/2,s='width='+WW+',height='+WH+',top='+y+',screeny='+y+',left='+x+',screenx='+x,s+=(d.layers)?',resizable':'',s+=(!f||f=='')?'':','+f,W=self[n]=window.open('',n,s),(W&&!W.closed)?1:0);
	while(WW!=w||WH!=h){
		if(WO&&WW<w){
			W.moveTo((sw-WW)/2,(sh-WH)/2);    W.resizeTo(WW,WH);
			WW*=1.3
		}
		if(WO&&WW>w){
			WW=w;
			W.moveTo((sw-WW)/2,(sh-WH)/2);
			W.resizeTo(WW,WH)
		}
		if(WO&&WH<h){
			W.moveTo((sw-WW)/2,(sh-WH)/2);
			W.resizeTo(WW,WH);
			WH*=1.3
		}
		if(WO&&WH>h){
			WH=h;
			W.moveTo((sw-WW)/2,(sh-WH)/2);
			W.resizeTo(WW,WH)
		}
	}
	if(d.layers){
		W.outerHeight=h;
		W.outerWidth=w;
	}
	W.moveTo(l,t);
	W.document.location=u;
	W.focus();
}
function win(u,n,w,h,f,p,x,y){
	var ws=window.screen?1:0,sw=screen.availWidth,sh=screen.availHeight,m=Math,C='center',R='random',M='custom',T=(p==C&&ws)?(sh-h)/2:(p==R&&ws)?(m.floor(m.random()*(sh-h))):(p==M)?y:100,L=(p==C&&ws)?(sw-w)/2:(p==R&&ws)?(m.floor(m.random()*(sw-w))):(p==M)?x:100,s='width='+w+',height='+h+',top='+T+',left='+L;s+=(!f||f=='')?'':','+f,W=self[n]?self[n]:'';
	if("object"==typeof W && !W.closed){
			W.blur();
				if(W.location!=u){W.location=u;}
			W.resizeTo(w,h);
			W.moveTo(L,T);
			W.focus();}
	else{
		self[n]=window.open(u,n,s);
		self[n].focus();
	}
}


var txt="Danh ba website Viet Nam - ";
var espera=200;
var refresco=null;

function rotulo_title() {
  document.title=txt;
  txt=txt.substring(1,txt.length)+txt.charAt(0);
  refresco=setTimeout("rotulo_title()",espera);
  }
function check_poll() {
	if (document.frmvote.check.checked==false) {
		alert("You have chose a item.")
		return false		
	}else{
		return true
	}
}



	function check_mail(){
		var s = document.frmLogin.username.value ;
		var check = 0;
		if ( s.indexOf("@") == -1 ) check=1;
		if ( s.indexOf(" ") > 0 ) check=1;
		if ( s.indexOf("..") != -1 ) check=1;
		if ( s.indexOf(".") == -1 ) check=1;
		if ( s.indexOf("@") != s.lastIndexOf("@") ) check=1;
		if (check==1){
			alert("Dia chi mail cua ban khong hop le.");
			document.frmLogin.username.focus();
			return false; 
		} else{
			check_login();
		}
	}  
	function check_login() {
		var check = 0;
		if(document.frmLogin.username.value == ""){
			alert("Ban chua nhap e-mail hay ten truy cap.");
			document.frmLogin.username.focus();
			return false ;
		}else if (document.frmLogin.password.value == "") {
			alert("Ban chua nhap mat khau.");
			document.frmLogin.password.focus();
			return false ;
		}else{
			return true;
		}
	}
function saa (obj) {
	var obj = document.formman.active;
	for ( i = 0; i < obj.length ; ++ i ) { if (obj[i].checked==false) { obj[i].checked = true; }}
}
function caa (){
	var obj = document.formman.active;
	
	for ( i = 0; i < obj.length ; ++ i ) { if (obj[i].checked) { obj[i].checked = false; }}
}
function sav (obj) {
	var obj = document.formman.view;
	for ( i = 0; i < obj.length ; ++ i ) { if (obj[i].checked==false) { obj[i].checked = true; }}
}
function cav (){
	var obj = document.formman.view ;
	for ( i = 0; i < obj.length ; ++ i ) { if (obj[i].checked) { obj[i].checked = false; }}
}

function sac (obj) {
	var obj = document.formman.create;
	for ( i = 0; i < obj.length ; ++ i ) { if (obj[i].checked==false) { obj[i].checked = true; }}
}
function cac (){
	var obj = document.formman.create ;
	for ( i = 0; i < obj.length ; ++ i ) { if (obj[i].checked) { obj[i].checked = false; }}
}

function sae (obj) {
	var obj = document.formman.edit;
	for ( i = 0; i < obj.length ; ++ i ) { if (obj[i].checked==false) { obj[i].checked = true; }}
}
function cae (){
	var obj = document.formman.edit;
	for ( i = 0; i < obj.length ; ++ i ) { if (obj[i].checked) { obj[i].checked = false; }}
}

function sad (obj) {
	var obj = document.formman.deletes;
	for ( i = 0; i < obj.length ; ++ i ) { if (obj[i].checked==false) { obj[i].checked = true; }}
}
function cad (){
	var obj = document.formman.deletes ;
	for ( i = 0; i < obj.length ; ++ i ) { if (obj[i].checked) { obj[i].checked = false; }}
}

function refresh() { window.location.reload() }
//-->