var xmlHttp;
function i(nom)
{ 

xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url=nom
xmlHttp.onreadystatechange=c
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function c() 
{ 
 document.getElementById("ppal").innerHTML=xmlHttp.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;
}