function openCat(id)
{
  if(document.getElementById('gal_'+id).style.display=="block")
  {
    document.getElementById('gal_'+id).style.display="none";  
    document.getElementById('cat_'+id).className="categoria";
  }
  else
  {
    document.getElementById('gal_'+id).style.display="block";  
    document.getElementById('cat_'+id).className="categoriaMenos";  
  }
}
function primeira(cat,gal,arq,urlBase)
{
  openCat(cat);
  openGal(gal,urlBase);
}
function openGal(id,urlBase)
{
  //alert(id);
  var antigo = document.getElementById('openGallery').innerHTML;
  //alert(antigo+" - "+id);
  if(antigo)
  {
    //alert("entrou aqui");
    //alert(document.getElementById("arq_"+id).className);
    document.getElementById("arq_"+antigo).className="arquivo";
    document.getElementById("arq_"+id).className="arqSelecionado";
    document.getElementById('openGallery').innerHTML = id;
  } 
  var par = "action=31&idGaleria="+id;
  ajax.requestURL({"url":urlBase+'controller.php',"target":"fotos_visualizacao","par":par});  
}