var snfXmlHttp1
var snfelem
var snfXmlHttp2
var snfelem2

function showFile(id,url)
{ 
snfXmlHttp1=GetXmlHttpObject();
if (snfXmlHttp1==null)
  {
  alert ("Your browser does not support AJAX! Please use a different browser like FireFox or IE");
  return;
  } 
snfXmlHttp1.onreadystatechange=stateChanged;
snfXmlHttp1.open("GET",url,true);
snfXmlHttp1.send(null);
snfelem = id
}

function showFile2(id,url)
{ 
snfXmlHttp2=GetXmlHttpObject();
if (snfXmlHttp2==null)
  {
  alert ("Your browser does not support AJAX! Please use a different browser like FireFox or IE");
  return;
  } 
snfXmlHttp2.onreadystatechange=stateChanged2;
snfXmlHttp2.open("GET",url,true);
snfXmlHttp2.send(null);
snfelem2 = id
}

function sendData(id,url,params) {
snfXmlHttp1=GetXmlHttpObject();
if (xmlHttp1==null){
  alert ("Your browser does not support AJAX! Please use a different browser like FireFox or IE");
  return;
} 
snfXmlHttp1.onreadystatechange=stateChanged;
snfXmlHttp1.open("POST",url,true);
snfXmlHttp1.setRequestHeader('Content-type','application/x-www-form-urlencoded')
snfXmlHttp1.send(params);
snfelem = id
}

function stateChanged() { 
if (snfXmlHttp1.readyState==4){ 
document.getElementById(snfelem).innerHTML=snfXmlHttp1.responseText;
}
}

function stateChanged2() { 
if (snfXmlHttp2.readyState==4){ 
document.getElementById(snfelem2).innerHTML=snfXmlHttp2.responseText;
}
}

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;
}