/*// JavaScript Document

// variavel usada para criar selects
var cont = 0;
//Funcao q verifica o tipo de browser 
function cria_MSXMLHttp() 
{
  var versoes =   ["MSXML2.XMLHttp.6.0"
                  ,"MSXML2.XMLHttp.5.0"
                  ,"MSXML2.XMLHttp.4.0"
                  ,"MSXML2.XMLHttp.3.0"
                  ,"MSXML2.XMLHttp"
                  ,"Microsoft.XMLHttp"
                  ];

  for (var i = 0; i < versoes.length; i++) 
  {
    try 
    {
      var objetoXMLHttp = new ActiveXObject(versoes[i]);
      return objetoXMLHttp;
    } 
    catch (e) {	}
  }

  throw("Nao foi possivel criar um objeto MSXML.XMLHttp.");
  return null;
}
//Funcao que cria o objeto de requisicao.
function cria_objReq() 
{
  var obj_reg;

  try 
  {
    obj_reg = new XMLHttpRequest();
  }
  catch(e1) 
  {
    obj_reg = cria_MSXMLHttp();
  }
  return obj_reg;
}

//Funcao que cria elementos html e os gera na pagina definida 
function mostra()
{
  function apagaLinha()
  {
    for ( i = 0; i < tc_tr.length; i++ )
    {
      if ( tc_tr[i].getAttribute('id') == 'tr_ue' )
        tc.removeChild(tc_tr[i]);
    }
  }

  function apaga()
  {
    for ( i = 0; i < tc_tr.length; i++ )
    {
      if ( tc_tr[i].getAttribute('id') == 'tr_be' )
        tc.removeChild(tc_tr[i]);
    }
  }

  valor = document.getElementById('alu_matric').value;
  bValue = document.getElementById('nasc').value;

  var tc    = document.getElementById('tcorpo');
  var tc_tr = tc.getElementsByTagName("tr");		
  apagaLinha();
  var tam = 0;

  if (( valor != 0 ) && ( bValue != ''))
  {	
    var objReq1 = cria_objReq();
    var URL = "esd.php?alu_matric="+valor+"&nasc="+bValue;
    objReq1.open("get", URL, true);
    objReq1.setRequestHeader("Content-Type", "text/xml");
    objReq1.onreadystatechange=function()
    {
      if(objReq1.readyState == 4)
      {
        if (objReq1.status == 200) 
        {				
          var xml = objReq1.responseXML;
          var XMLOption = xml.getElementsByTagName("nome");
          tam = XMLOption.length; 
          //if (XMLOption.length == 1)
          //{
            document.getElementById("um").submit();
          //}
          /*else
          {
            var objReq = cria_objReq();
            var URL = "esc.php?alu_matric="+valor;
            objReq.open("get", URL, true);
            objReq.setRequestHeader("Content-Type", "text/xml");
            objReq.onreadystatechange=function() 
            {
              if(objReq.readyState == 4)
              {
                if (objReq.status == 200) 
                {				
                  var xml = objReq.responseXML;
                  var XMLOption = xml.getElementsByTagName("nome");
                  var XMLOption2 = xml.getElementsByTagName("codigo");
                  tam = XMLOption.length; 
                  if (XMLOption.length > 0)
                  {
                    if (XMLOption.length > 1)
                    {
                      var lin_1  = document.createElement('tr');
                      var col_1  = document.createElement('td');
                      var col_2  = document.createElement('td');
                      var col_3  = document.createElement('td');
                      var sel_1  = document.createElement('select');
                      var text_1 = document.createTextNode('Escola:');
                      var inp_1  = document.createElement('input');
                      lin_1.setAttribute("id","tr_ue");
                      sel_1.setAttribute("name", "ue");
                      sel_1.setAttribute("id", "ue");
                      inp_1.setAttribute("name", "enviar");
                      inp_1.setAttribute("value", "Enviar");
                      inp_1.setAttribute("type", "submit");
                      inp_1.setAttribute("align", "right");
                      col_1.setAttribute("class","rotulo");
                      col_3.appendChild(sel_1);
                      col_3.appendChild(inp_1);
                      col_1.appendChild(text_1);
                      lin_1.appendChild(col_1);
                      lin_1.appendChild(col_2);
                      lin_1.appendChild(col_3);
                      tc.appendChild(lin_1);

                      var opt_1 = new Option('Carregando...','');
                      document.getElementById("ue").options[0] = opt_1;

                      var novo_opt = new Option('---- Selecione ----', 0);
                      document.getElementById("ue").options[0] = novo_opt; 
                      for ( i = 0; i < XMLOption.length; i++ )
                      {
                        var nome = XMLOption[i].childNodes[0].nodeValue;
                        var codigo = XMLOption2[i].childNodes[0].nodeValue;
                        var novo_opt = new Option(nome, codigo);
                        document.getElementById("ue").options[i+1] = novo_opt; 
                        obj1 = document.getElementById('ue');								
                      }
                      apaga();
                    }
                    else
                    {
                      var  v = XMLOption2[0].childNodes[0].nodeValue
                      var inp = document.getElementById("esc");
                      inp.value = v;
                      document.getElementById("um").submit();
                    }
                  }
                }
              }
            }
            objReq.send(null);
          }
        }
      }
    }
    objReq1.send(null);
  }
  else
  {
          apagaLinha();
  }
}

//funcao que inicia um evento.
function ini()
{
  obj = document.getElementById('but_matric');
  adicionaEvento('click',obj,mostra);
}
*/
//funcao que permite somente numeros nos campos.
function SomenteNumero(e)
{
  var tecla=(window.event)?event.keyCode:e.which;
  if((tecla > 47 && tecla < 58)) 
    return true;
  else
  {
    if (tecla != 8) 
      return false;
    else 
      return true;
  }
}
/*
//Funcao que manipula um evento.
function adicionaEvento(evento,obj,fn)
{
  if(obj.addEventListener)
  {
    obj.addEventListener(evento,fn,true);
    return true;
  }
  if(obj.attachEvent)
  {
    obj.attachEvent("on"+evento,fn);
    return true;
  }
  return false;
}
//Errro 
if(!adicionaEvento("load",window,ini))
{
  alert('Voce deve atualizar o seu Navegador para este site funcionar corretamente.')
}*/