var url;
            
            function handleHttpResponse()
            {
               if (http.readyState == 4)
               {
                  if (http.responseText.indexOf("invalid") == -1)
                  {
                     var xmlDocument = http.responseXML;
                     var xml = xmlDocument.documentElement;
                     if(xml != null)
                     {
                       var nodo = PercorreXML(xml);
                       nodo = nodo.split("#;#");
                       nodo.pop();
                       
                     // ITEM CAPA
                       if(nodo[0] == "GETITEMCAPA")
                       {
                         var tipoCapa = document.getElementById('tipoCapa');
                         var linkImgCapa = document.getElementById('linkImgCapa');
                         var imgCapa = document.getElementById('imgCapa');
                         var refCapa = document.getElementById('refCapa');
                         var descrCapa = document.getElementById('descrCapa');
                         var strAux = '';
                         
                         if(nodo[8] != "")
                         {
                           imgCapa.src = nodo[6] + nodo[8];
                           linkImgCapa.href = nodo[6] + nodo[7];
                           imgCapa.style.display = '';
                         }
                         else
                         {
                           imgCapa.style.display = 'none';
                         }

                         tipoCapa.innerHTML = nodo[3];
                         refCapa.innerHTML = nodo[5];
                         descrCapa.innerHTML = unescape(nodo[4]);
                         
                         var divShowPaneCapa = document.getElementById('divShowPaneCapa');
                         var $lefty = $("#divShowPaneCapa");
                         $lefty.fadeIn("normal");
                       }
                     }
                     
                     bFuncionando = false;
                  }
               }
            }
            
            function TrocaItemCapa(cod,tipo)
            {
               if (!bFuncionando && http)
               {
                  var divShowPaneCapa = document.getElementById('divShowPaneCapa');
                  var $lefty = $("#divShowPaneCapa");
                  $lefty.fadeOut("normal");

                  var url = "getItemCapa.php?cod=" + cod + "&tipo=" + tipo + "";
                  http.open("GET", url, true);
                  http.onreadystatechange = handleHttpResponse;
                  bFuncionando = true;
                  http.send(null);
               }
            }