// JavaScript Document

var xmlHttp

function ajx_blog_widget(fotos, orientacao)
{
if (fotos.length==0)
  { 
  document.getElementById("blog_widget").innerHTML="";
  return;
  }
xmlHttp=altblog_GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="http://www.fotoalternativa.net/ajx_blog_random.asp";
url=url+"?Fotos="+fotos;
url=url+"&Orientacao="+orientacao;
xmlHttp.onreadystatechange=altblog_stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function altblog_stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("blog_widget").innerHTML=xmlHttp.responseText;
}
}

function altblog_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;
}