//Declaracao previa de variaveis globais   
  var bustcachevar = 1; //bust potential caching of external pages after initial request? (1=yes, 0=no)
  var loadedobjects = "";
  var rootdomain = "http://"+window.location.hostname;
    
//Função que Instância o objeto javascript XmlHttpRequest	
function ajaxpage(url, containerid){
 var xmlhttp;
  // Browser Mozilla, Safari, Opera...
  if (window.XMLHttpRequest) 
    xmlhttp = new XMLHttpRequest();
  // Browser IE	
  else if (window.ActiveXObject){ 
   try {
        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    	}
    catch (e){
   try{
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	catch (E){
		xmlhttp = false; //objeto nao suportado pelo navegador
		}
	}
	}
  xmlhttp.onreadystatechange=function(){
  //Mensagem apresentada antes do load de conteúdo
  document.getElementById(containerid).innerHTML='<div id=load><div id=loadText><b>Carregando...</div></div>';
  loadpage(xmlhttp, containerid);
	}
	
  if (bustcachevar) //if bust caching of external page
  var bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime();
  xmlhttp.open('GET', url+bustcacheparameter, true);
  xmlhttp.send(null);
	}

function loadpage(xmlhttp, containerid){
  if (xmlhttp.readyState == 4 && (xmlhttp.status==200 || window.location.href.indexOf("http")==-1))
	var conteudo=document.getElementById(containerid) //containerid - div dentro do body
	conteudo.innerHTML=xmlhttp.responseText;
}
	
function loadobjs(){
   if (!document.getElementById)
     return
     for (i=0; i<arguments.length; i++){

     var file=arguments[i]
     var fileref=""

     if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
     if (file.indexOf(".js")!=-1){ //If object is a js file
      fileref=document.createElement('script')
      fileref.setAttribute("type","text/javascript");
      fileref.setAttribute("src", file);
}
   else if (file.indexOf(".css")!=-1){ //If object is a css file
     fileref=document.createElement("link")
     fileref.setAttribute("rel", "stylesheet");
     fileref.setAttribute("type", "text/css");
     fileref.setAttribute("href", file);
}
}
   if (fileref!=""){
     document.getElementsByTagName("head").item(0).appendChild(fileref)
     loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}

function loadDiv(Id,pg)
{
    var conteudo=document.getElementById(Id);
    conteudo.innerHTML='<div id=load><div id=loadText>carregando...</div></div>';
    //Abre a url
    //xmlhttp.open("GET",  "interna.php?pg="+pg,true);
    //xmlhttp.open("GET", "http://uol.com.br/");
	
    //Executada quando o navegador obtiver o código
    xmlhttp.onreadystatechange=function()
    {
        if (xmlhttp.readyState==4)
        {
            //Lê o texto
            var texto=xmlhttp.responseText
            //Desfaz o urlencode
            texto=texto.replace(/\+/g," ");
            texto=unescape(texto);
            //Exibe o texto no div conteúdo
            var conteudo=document.getElementById(id)
            conteudo.innerHTML=texto
        }
    }
    xmlhttp.send(null)
}