function Foto(url,name,options){
	leftPos = (screen.width-600)/2;		
	topPos 	= (screen.height-405)/3;
  var ventana = window.open(url,name,'width=600,height=405,toolbar=no,menubar=no,location=no,scrollbars=no,status=yes,resizable=no,left='+leftPos+',top='+topPos);
  ventana.focus();
  return false;
}

function Lanzar(url,name,options){
	leftPos = (screen.width-600)/2;		
	topPos 	= (screen.height-400)/3;
  var ventana = window.open(url,name,'width=600,height=400,toolbar=no,menubar=no,location=no,scrollbars=yes,status=yes,resizable=yes,left='+leftPos+',top='+topPos);
  ventana.focus();
  return false;
}