function showGaleria(id){
  
  xmlHttp = GetXmlHttpObject()
  if(xmlHttp == null){
    alert ("Seu navegor não possui suporte requisições HTTP");
    return;
  }

	//alert(idbloco);
  var url = "fotos_swf.php?idg=" + id +"&sid=" + Math.random();
  xmlHttp.onreadystatechange = showGaleriaState;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
}

function showGaleriaState(){
  if(xmlHttp.readyState == 4 || xmlHttp.readyState == "complete"){
	document.getElementById("galeria").innerHTML = xmlHttp.responseText;

  }
}

function GetXmlHttpObject(){
  var objXMLHttp = null;
  if(window.XMLHttpRequest){
    objXMLHttp = new XMLHttpRequest()
  } else if(window.ActiveXObject){
    objXMLHttp = new ActiveXObject("Microsoft.XMLHTTP")
  }
  return objXMLHttp;
}