function openFotos(id, numo){
	if(screen.Width>511){
  	fLeft=(screen.Width-511)/2;
  }
  else{
    fLeft=0;
  }
	if(screen.Height>433){
  	fTop=(screen.Height-433)/2;
  }
  else{
    fTop=0;
  }
	ops='height=433,width=511,top=' + fTop + ',left=' + fLeft + ',scrollbars=0, toolbar=0';
	URL='foto.php?id=' + id + '&more=' + numo;
	window.open(URL,'FOTOS',ops);
	window.open(URL,'FOTOS',ops);
}