// JScript File
/*=========== Khai báo tham s? ban d?u ===============*/
var xmlHttp;    //d?i tu?ng ch?a thông tin t? server tr? v?
var divMain; 
var divMain1;   //th? div ch?a thông tin tr? v?

/*===================================================
            Ph?n Ajax t?ng quát
===================================================*/
function showUrl(url,querystring,khung)
{ try{xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
url=url+"?type=ajx&q="+querystring ;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);

divMain = khung;
//alert(divMain);
}
catch(ex){alert(ex);}

}
function showUrl1(url,querystring,khung)
{ try{xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
url=url+"?type1=ajx1&q1="+querystring;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);

divMain1 = khung;}
catch(ex){alert(ex);}

}


function stateChanged() 
{ 
    var ch="";
    var k=0;
    var mangtri = new Array();
    var mangdiv = new Array();
    
       /*========== SU DUNG MOT TRI  ==============*/
    if (xmlHttp.readyState==4)
    { 
        //co the phan tach de nhieu the nhan tri tra ve
        ch=xmlHttp.responseText;
         //alert(ch); 
        ch=ch.substring(0,ch.indexOf("<!DOCTYPE"))
       /* if((ch==null) || (ch==""))
        {
            alert("Khong co gia tri tra ve.");
            return false;
        }*/                  
       // alert('divMain : '+divMain+'\n ch :'+ch);                                        
        document.getElementById(divMain).innerHTML=ch;   
                       
    }
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}