function openChat(frm){
    if (frm.nick.value != ''){
	   ks0jxO0jnKUwE13410144019872('/clubdeamigos/chat/chat-f.ats?nick='+frm.nick.value, 'chatV', 'width=600,height=440,toolbar=1,location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=1');
	}
    else{
	   alert('Por favor,\nescribe tu alias');
	   frm.nick.focus();
	}
}