// JavaScript Document

var xmlhttp = getXmlHttpRequest();
   
function getXmlHttpRequest()
{
   if (window.XMLHttpRequest)
   {
          return new XMLHttpRequest();
   }
   else if (window.ActiveXObject)
   {
          try
          {
                 return new ActiveXObject("Msxml2.XMLHTTP");
          }
          catch (e)
          {
                 try
                 {
                        return new ActiveXObject("Microsoft.XMLHTTP");
                 }
                 catch (e){}
          }
   }
}

function abreDiv(_strNomePagina,_nomeDiv)
{
          xmlhttp.open("GET", _strNomePagina, true);
          xmlhttp.setRequestHeader("Content-Type", "text/html; charset=iso-8859-1");
          xmlhttp.setRequestHeader("Cache-Control", "no-store, no-cache, must-revalidate");
          xmlhttp.setRequestHeader("Cache-Control", "post-check=0, pre-check=0");
          xmlhttp.setRequestHeader("Pragma", "no-cache");
          xmlhttp.onreadystatechange = function()
          {
                 if (xmlhttp.readyState==4)
                 {
                        document.getElementById(_nomeDiv).innerHTML = xmlhttp.responseText;
                 }
          }   
          xmlhttp.send(null);
}