function add2Carrinho(artigoID, artigoDESC) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("itemsCarrinho").innerHTML =  xmlHttp.responseText;
      document.location.href='index.php?b=8';
    }
  }

  var url = "add2Carrinho.php?id="+artigoID+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}


function listarCarrinho(finalizar,concluir) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("carrinhoSpan").innerHTML = xmlHttp.responseText;
    }
  }

  var url = "listarCarrinho.php?fin="+finalizar+"&con="+concluir+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}


function removeFromCarrinho(id,finalizar) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("carrinhoSpan").innerHTML = xmlHttp.responseText;
    }
  }

  var url = "listarCarrinho.php?del="+id+finalizar+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}


function alterarQuantidade(id,quantidade,finalizacao) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("carrinhoSpan").innerHTML = xmlHttp.responseText;
    }
  }

  var url = "listarCarrinho.php?item="+id+"&q="+quantidade+finalizacao+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}


function adminRegistos(opcao,pag) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("adminRegistos").innerHTML = xmlHttp.responseText;
    }
  }
  
  var pagina="adminRegistos.php";
  if (opcao=="enc")
    pagina="adminEncomendas.php";
  else if ((opcao=="new") || (opcao=="new_detalhe"))
    pagina="adminNewsletters.php";

  var url = pagina+"?opcao="+opcao+"&pag="+pag+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}

function adminNewslettersDetalhe(opcao,pag,newID) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("adminRegistos").innerHTML = xmlHttp.responseText;
    }
  }
  
  pagina="adminNewslettersDetalhe.php";

  var url = pagina+"?opcao="+opcao+"&pag="+pag+"&newID="+newID+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}



function insRegisto(opcao,id) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById('adminRegistos').innerHTML = xmlHttp.responseText;
    }
  }

  var url = "insRegisto.php?opcao="+opcao+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}

function editarRegisto(opcao,id,pag) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById('adminRegistos').innerHTML = xmlHttp.responseText;
    }
  }

  var url = "editarRegisto.php?opcao="+opcao+"&id="+id+"&pag="+pag+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}


function editarRegistoDetalheNewsletter(opcao,id,pag,newID,detalheNUM) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById('adminRegistos').innerHTML = xmlHttp.responseText;
    }
  }

  var url = "editarRegisto.php?opcao="+opcao+"&id="+id+"&pag="+pag+"&newID="+newID+"&detalheNUM="+detalheNUM+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}


function guardarRegisto(opcao,id,valor) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById('span'+id).innerHTML = xmlHttp.responseText;
    }
  }

  var url = "guardarRegisto.php?opcao="+opcao+"&id="+id+"&valor="+valor+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}

function cancelarRegisto(opcao,id) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById('span'+id).innerHTML = xmlHttp.responseText;
    }
  }

  var url = "cancelarRegisto.php?opcao="+opcao+"&id="+id+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}



function deleteRegisto(opcao,id) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById('span'+id).innerHTML = xmlHttp.responseText;
    }
  }

  var url = "deleteRegisto.php?opcao="+opcao+"&id="+id+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}



function apagarRegisto(opcao,id) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      
      if (xmlHttp.responseText=="1") 
        //document.getElementById("adminRegistos").innerHTML = xmlHttp.responseText;
        adminRegistos(opcao,1);
      else
        document.getElementById('span'+id).innerHTML = xmlHttp.responseText;
    }
  }

  var url = "apagarRegisto.php?opcao="+opcao+"&id="+id+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}

function menuAdmin(opcao) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("menuAdmin").innerHTML = xmlHttp.responseText;
    }
  }

  var url = "menuAdmin.php?opcao="+opcao+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}


function changeModelosArtigo(viatura) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("modelosArtigo").innerHTML = xmlHttp.responseText;
    }
  }

  var url = "modelosArtigo.php?viatura="+viatura+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}

function addModeloArtigo(modelo) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      //document.getElementById("addModeloArtigo").innerHTML = xmlHttp.responseText;
      refreshViaturasArtigo();
    }
  }

  var url = "addModeloArtigo.php?modelo="+modelo+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}


function delModeloArtigo(modelo) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      //document.getElementById("addModeloArtigo").innerHTML = xmlHttp.responseText;
      refreshViaturasArtigo();
    }
  }

  var url = "delModeloArtigo.php?modelo="+modelo+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}


function refreshViaturasArtigo() {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("viaturasArtigo").innerHTML = xmlHttp.responseText;
    }
  }

  var url = "refreshViaturasArtigo.php?time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}

function changeAddArtigo(modelo) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("addArtigo").innerHTML = xmlHttp.responseText;
    }
  }

  var url = "changeAddArtigo.php?mod="+modelo+"&time="+ new Date().getTime();
  xmlHttp.open("GET","changeAddArtigo.php?mod="+modelo, true);
  xmlHttp.send(null);
}

function ConfirmarCarrinho(artigoDESC) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("divCarrinho").innerHTML = xmlHttp.responseText;
    }
  }

  var url = "divCarrinho.php?artigo="+artigoDESC+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}

function detalheEncomenda(opcao,pag,encID) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("detalheEncomenda").innerHTML = xmlHttp.responseText;
    }
  }
  
  var url = "detalheEncomenda.php?opcao="+opcao+"&pag="+pag+"&encID="+encID+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}


function alterarEstadoEncomenda(opcao,id) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById('imgEstadoEncomenda'+id).innerHTML = xmlHttp.responseText;
    }
  }

  var url = "alterarEstadoEncomenda.php?opcao="+opcao+"&id="+id+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}



function enviarNewsletter(opcao,id,enviar) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("adminRegistos").innerHTML = xmlHttp.responseText;

      if (enviar)
        sendEmails(id);
    }
  }

  var pagina = "enviarNewsletter.php?opcao="+opcao+"&id="+id;
  if (enviar)
    pagina = "enviarNewsletter.php?opcao="+opcao+"&id="+id+"&send_emails=1";

  var url = pagina+"&time="+ new Date().getTime();
  xmlHttp.open("GET",pagina , true);
  xmlHttp.send(null);
}


function sendEmails(id) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      document.getElementById("adminRegistos").innerHTML = xmlHttp.responseText;
    }
  }

  var url = "sendEmails.php?opcao=new&id="+id+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}

function detalheNewsletter(opcao,id) {
  window.location.href='index.php?admin&o=new_detalhe&newID='+id;
}

function checkReferencia(ref) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      if (xmlHttp.responseText!="refOK") {
        document.getElementById('refInvalidaDiv').style.visibility='visible';
        refOK = false;
        return false;
      }
      else {
        refOK = true;
        document.insForm.submit();
        return true;      
      }
    }
  }

  var url = "checkReferenciaAJAX.php?ref="+ref+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
  
  return false;
}

function Pesquisar(opcao, texto, nregs, nlinhas, modo) {
  var xmlHttp;
  try {
    // Firefox, Opera 8.0+, Safari
    xmlHttp = new XMLHttpRequest();
  }
  catch (e) {
    // Internet Explorer
    try {
      xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        alert("Your browser does not support AJAX!");
        return false;
      }
    }
  }
  
  xmlHttp.onreadystatechange=function() {
    if(xmlHttp.readyState==4) {
      if (xmlHttp.responseText>0)
        window.location.href="index.php?admin&o="+opcao+"&pag="+xmlHttp.responseText;
    }
  }

  var url = "pesquisarArtigos.php?opcao="+opcao+"&texto="+texto+"&nregs="+nregs+"&nlinhas="+nlinhas+"&modo="+modo+"&time="+ new Date().getTime();
  xmlHttp.open("GET", url, true);
  xmlHttp.send(null);
}