var xmlHttp1
var xmlHttp2
var xmlHttp3
var xmlHttp4

function changetv(s,id)
{ 
	
	xmlHttp1=GetXmlHttpObject1()
	xmlHttp2=GetXmlHttpObject2()
	xmlHttp3=GetXmlHttpObject3()
	xmlHttp4=GetXmlHttpObject4()
	
	if (xmlHttp1==null)
	
	{
	
	alert ("Browser does not support HTTP Request")
	
	return
	
	}
	
	//document.getElementById("listsubcat").style.display = "none";
	
	var url1="changetv.php"
	url1=url1+"?id="+id+"&s="+s;
	url1=url1+"&sid="+Math.random()
	xmlHttp1.onreadystatechange=stateChanged1 
	xmlHttp1.open("GET",url1,true)
	xmlHttp1.send(null)
	
	var url2="changetvdetail.php"
	url2=url2+"?id="+id+"&s="+s;
	url2=url2+"&sid="+Math.random()
	xmlHttp2.onreadystatechange=stateChanged2 
	xmlHttp2.open("GET",url2,true)
	xmlHttp2.send(null)
	
	var url3="changetvboard.php"
	url3=url3+"?id="+id+"&s="+s;
	url3=url3+"&sid="+Math.random()
	xmlHttp3.onreadystatechange=stateChanged3 
	xmlHttp3.open("GET",url3,true)
	xmlHttp3.send(null)
	
	var url4="changetv_right.php"
	url4=url4+"?id="+id+"&s="+s;
	url4=url4+"&sid="+Math.random()
	xmlHttp4.onreadystatechange=stateChanged4 
	xmlHttp4.open("GET",url4,true)
	xmlHttp4.send(null)
	
}



function stateChanged1() 
{
if (xmlHttp1.readyState==4 || xmlHttp1.readyState=="complete")
   { 
   document.getElementById("showtv").innerHTML=xmlHttp1.responseText
   } 
} 

function stateChanged2() 
{
if (xmlHttp2.readyState==4 || xmlHttp2.readyState=="complete")
   { 
   document.getElementById("showdetail").innerHTML=xmlHttp2.responseText
   } 
} 

function stateChanged3() 
{
if (xmlHttp3.readyState==4 || xmlHttp3.readyState=="complete")
   { 
   document.getElementById("showboard").innerHTML=xmlHttp3.responseText
   } 
} 

function stateChanged4() 
{
if (xmlHttp4.readyState==4 || xmlHttp4.readyState=="complete")
   { 
   document.getElementById("showrightcontent").innerHTML=xmlHttp4.responseText
   } 
} 

function GetXmlHttpObject1()
{
  var xmlHttp1=null;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp1=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp1=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      xmlHttp1=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
  return xmlHttp1;
}

function GetXmlHttpObject2()
{
  var xmlHttp2=null;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp2=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp2=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      xmlHttp2=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
  return xmlHttp2;
}

function GetXmlHttpObject3()
{
  var xmlHttp3=null;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp3=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp3=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      xmlHttp3=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
  return xmlHttp3;
}

function GetXmlHttpObject4()
{
  var xmlHttp4=null;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp4=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp4=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      xmlHttp4=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
  return xmlHttp4;
}