function openPopUp(width,height,url,target){
		return window.open(url,target,'toolbar=0,location=0, directories=0, status=0, menubar=0, scrollbars=1, resizable=0, width=' + width + ', height=' + height + ', left=' + (screen.width - width)/2 + ', top=' + (screen.height-height)/2 );
}
function openPopUp2(width,height,url,target){
		return window.open(url,target,'toolbar=0,location=0, directories=0, status=0, menubar=0, scrollbars=0, resizable=0, width=' + width + ', height=' + height + ', left=' + (screen.width - width)/2 + ', top=' + (screen.height-height)/2 );
}
function popWin(){
        return openPopUp(550,400,'about:blank','__popWin');
}
function popPrint(){
        var width=550;var height=400;
        return window.open("about:blank",'__popPrint','toolbar=0,location=0, directories=0, status=0, menubar=0, scrollbars=0, resizable=0, width=' + width + ', height=' + height + ', left=' + (screen.width - width)/2 + ', top=' + (screen.height-height)/2 );
        
}
function op_m_i(url){
    openPopUp(392,450,'about:blank','_pimage');
}
function printO(obj){
    obj.focus();
    obj.print();
}

function comment_window(){
    openPopUp(550,530,'about:blank','_comment')
}
function rateover(o, r){
    var id = parseInt(o.id.replace('dorate',''));
    for(var i=1; i<=id;i++){
        document.getElementById('dorate'+i).src='/images/rate/ra.gif';
    }
}
function rateout(o, r){
    for(var i=1; i<=5;i++){
        if(i<=r)
            document.getElementById('dorate'+i).src='/images/rate/r1.gif';
        else
            document.getElementById('dorate'+i).src='/images/rate/r0.gif'
    }
}

function ajax_page(url, containerid){
    var page_request = false
    if (window.XMLHttpRequest) // if Mozilla, Safari etc
        page_request = new XMLHttpRequest()
    else if (window.ActiveXObject){ // if IE
        try {
            page_request = new ActiveXObject("Msxml2.XMLHTTP")
        } 
        catch (e){
            try{
                page_request = new ActiveXObject("Microsoft.XMLHTTP")
            }
            catch (e){}
        }
    }
    else
        return false;
        
    document.getElementById(containerid).innerHTML='<img src="/images/loading14.gif" align="absmiddle"/>'//loading.. text
    page_request.onreadystatechange=function(){
        load_page(page_request, containerid)
    }
    
    var cache_clear_param=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime();
    page_request.open('GET', url+cache_clear_param, true);
    page_request.send(null);
    
}

function load_page(page_request, containerid){
    if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
    document.getElementById(containerid).innerHTML=page_request.responseText
    //window.location.href.indexOf("http")==-1 : Not remote site
}

function dorate(id,point,sid){
    ajax_page('/backend/rating.aspx?news_id='+id+"&point="+point+"&sid="+sid,'rating_pad');
}
function badReport(id){
    ajax_page('/backend/CommentBadReport.aspx?id='+id,'cmt_bad_'+id);
    alert('Cảm ơn bạn đã thông báo cho chúng tôi');
}
function time_params(){
    var a = new Date();
    var ms = a.getMilliseconds();
    var s = a.getSeconds();
    var mn = a.getMinutes();
    var h = a.getHours();
    var d = a.getDay();
    var m = a.getMonth();
    var y = a.getFullYear();
    var t = y+'_'+m+'_'+d+'_'+h+'_'+mn+'_'+s+'_'+ms;
    return t;
}

function counter(id){
    document.write('<img src="/backend/counter.ashx?news_id='+id+'&sid='+time_params()+'" width="1" height="1" border="0" />');
}

function setCookie(c_name,value,expiredays)
{
	var exdate=new Date()
	exdate.setDate(exdate.getDate()+expiredays)
	document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate)
} 

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=")
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 
    c_end=document.cookie.indexOf(";",c_start)
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return null
}

function checkCookie()
{
username=getCookie('username')
if (username!=null)
  {alert('Welcome again '+username+'!')}
else 
  {
  username=prompt('Please enter your name:',"")
  if (username!=null && username!="")
    {
    setCookie('username',username,365)
    }
  }
}

function addfav()
{
    if (window.sidebar) {
        window.sidebar.addPanel(document.title, location.href,"");
    } else if( window.external ) { // IE Favorite
        window.external.AddFavorite(location.href,document.title); }
    else if(window.opera && window.print) {
        return true; }
    else {
        alert("Chức năng này không được hỗ trợ cho trình duyệt bạn đang sử dụng!");
    }
   
}

function gotoRef(url){
    var _ref = "returnUrl=" + escape(location.href);
    _ref = (url.indexOf("?")!=-1) ? "&" + _ref : "?" + _ref;
    location.href = url + _ref;
}