function abrirVentana(e){
	window.open(e,'externo','width=800,height=450,scrollbars=yes,menubars=no,top=50,left=50,resizable=yes');       	
}

$(document).ready(function(){	
	$('.ventana').each(function(i){
		var url = $(this).attr('href');
		$(this).attr("href","javascript:abrirVentana('"+url+"')");
	});
	$('.online ul').css({'height':'auto','overflow':'visible'}).hide();
	$('.online').hover(
	  function () {
		$('.online>ul').show('fast');
	  }, 
	  function () {
		$('.online>ul').hide('fast');
	  }
	);
});