var req;

  var which;
 var data;
 var usuario;
  function retrieveURL(url,nme_campo,tpo_usuario)
  {
      data=nme_campo;
      usuario=tpo_usuario;
    //alert(url);
    if (url != "")
    {
     url = "/publindex/binary/EnInstitucion/search.do?searchText="+url+"&nme_campo="+data+"&tpo_usuario="+usuario;
     if (window.XMLHttpRequest)
      { // Non-IE browsers
        req = new XMLHttpRequest();

        req.onreadystatechange = processStateChange;
        try
        {
           req.open("GET", url, true);
        }catch (e)
        {
            alert(e);
        }
        document.getElementById("inst"+data).innerHTML = "Buscando ... ";
        req.send(null);

      }else if (window.ActiveXObject) { // IE

        req = new ActiveXObject("Microsoft.XMLHTTP");

        if (req) {

          req.onreadystatechange = processStateChange;

          req.open("GET", url, true);

          document.getElementById("inst"+data).innerHTML = "Buscando ...";
          req.send(null);
        }
      }
    }
  }
function retrieveURLInst2(url,nme_campo,tpo_usuario)
  {
      data=nme_campo;
      usuario=tpo_usuario;
    //alert(url);
    if (url != "")
    {
     url = "/publindex/binary/EnInstitucion/search2.do?searchText="+url+"&nme_campo="+data+"&tpo_usuario="+usuario;
     if (window.XMLHttpRequest)
      { // Non-IE browsers
        req = new XMLHttpRequest();

        req.onreadystatechange = processStateChange;
        try
        {
           req.open("GET", url, true);
        }catch (e)
        {
            alert(e);
        }
        document.getElementById("inst"+data).innerHTML = "Buscando ... ";
        req.send(null);

      }else if (window.ActiveXObject) { // IE

        req = new ActiveXObject("Microsoft.XMLHTTP");

        if (req) {

          req.onreadystatechange = processStateChange;

          req.open("GET", url, true);

          document.getElementById("inst"+data).innerHTML = "Buscando ...";
          req.send(null);
        }
      }
    }
  }

  function processStateChange() {

    if (req.readyState == 4) { // Complete

      if (req.status == 200) { // OK response

        html = req.responseText;
    //   alert(html);
        document.getElementById("inst"+data).innerHTML = html;
      } else {
          document.getElementById("inst"+data).innerHTML = "Error en la busqueda";
          alert("Problem: " + req.statusText);
      }
    }
  }