var xmlHttp
function tietgiang(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="inc_tietgiang.asp"
url=url+"?q="+str
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

var xmlHttp
function tintucgiaoduc(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="inc_tintucgiaoduc.asp"
url=url+"?t="+str
xmlHttp.onreadystatechange=stateNewschanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

var xmlHttp
function diendan(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="inc_diendan.asp"
url=url+"?f="+str
xmlHttp.onreadystatechange=stateForumed 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
/* Ham software*/
var xmlHttp
function software(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="inc_software.asp"
url=url+"?u="+str
xmlHttp.onreadystatechange=stateSoftwared 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
/*End ham software*/

var xmlHttp
function login(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="login.asp"
url=url+"?l="+str
xmlHttp.onreadystatechange=stateLogined 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
/*Danh sach tiet giang khac*/
function list(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="inc_subtietgiangkhac.asp"
url=url+"?d="+str
xmlHttp.onreadystatechange=stateListed 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
/*Danh sach cac bai giang khac*/
function listbaigiang(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="inc_baigiangkhac.asp"
url=url+"?e="+str
xmlHttp.onreadystatechange=stateListed 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
/*Ham dang ky cho cac thanh vien khong hoc tap tai truong KD CN HN*/
function dangkykhac(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="inc_dangkykhac.asp"
url=url+"?r="+str
xmlHttp.onreadystatechange=stateRegisted 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
/* Ham in ra cac bai giang*/
function stateRegisted () 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("dangkykhac").innerHTML=xmlHttp.responseText 
 } 
 else
 {
 document.getElementById("dangkykhac").innerHTML='Loading.....';
 }
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("noidung").innerHTML=xmlHttp.responseText 
 } 
 else
 {
 document.getElementById("noidung").innerHTML='Loading.....';
 }
}

function stateNewschanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("tintucgiaoduc").innerHTML=xmlHttp.responseText 
 } 
 else
 {
 document.getElementById("tintucgiaoduc").innerHTML='Loading.....';
 }
}

/*Ham software*/
function stateSoftwared() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("software").innerHTML=xmlHttp.responseText 
 } 
 else
 {
 document.getElementById("software").innerHTML='Loading.....';
 }
}
/*End ham software*/
function stateForumed() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("diendan").innerHTML=xmlHttp.responseText 
 } 
 else
 {
 document.getElementById("diendan").innerHTML='Loading.....';
 }
}
/* Ham thay doi danh sach tiet giang khac va bai giang khac */
function stateListed() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("list").innerHTML=xmlHttp.responseText 
 } 
 else
 {
 document.getElementById("list").innerHTML='Loading.....';
 }
}
/* Ham dang nhap*/
function stateLogined() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("login").innerHTML=xmlHttp.responseText 
 } 
 else
 {
 document.getElementById("login").innerHTML='Loading.....';
 }
}
/* Ham kiem tra trinh duyet*/
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;
}