function goto_thumbnails()
{
  if ( document.forms[0].codi_categoria.value == 0 )
    document.forms[0].codi_categoria.value="";
  document.forms[0].submit();
}  

function goto_referencia(url)
{
  location.href=url;
}

function     set_select(select, value)
{
  if ( typeof(select) != "undefined" )
  for ( i=0; i < select.options.length; i++ ) {
    if ( select.options[i].value == value ) {
      select.selectedIndex=i;
      break;
    }
  }
}    

function select_value(select)
{
  return select.options[select.selectedIndex].value;
}

function sync_id_categoria(select)
{
  var val_id_categoria=select_value(select);
  select.form.id_categoria.value=val_id_categoria;
}

function enviar_foto(but)
{
  if ( but.value.toLowerCase() == "enviar" ) {
    var win=window.open('', 'asdf','width=300,height=200,menubar=no');
    win.focus();
    but.form.target='asdf';
    but.form.submit();
  }
}

function enviar_alta(but)
{
  if ( but.value.toLowerCase() == "enviar" ) {
    var win=window.open('', 'qewr','width=300,height=200,menubar=no');
    win.focus();
    but.form.target='qewr';
    but.form.submit();
  }
}

function categoria_selec(obj)
{
}

function submit_cerca()
{
  document.forms["cerca"].submit();
}