function enviar(form) {
    if(form.usuario.value==""){
        alert("Debe introducir el Nombre de Usuario");
        form.usuario.focus();
        return false; 
    }else if(form.password.value==""){
        alert("Debe introducir la Contrase\u00F1a");
        form.password.focus();
        return false; 
    }else{
    	window.open('', 'sit2000epriv', 'resizable=no,toolbar=no,directories=no,menubar=no,status=yes,scrollbars=yes,width=1005,height=720');
    	form.action = 'https://' + window.location.hostname + '/plan2000e/privada/home.do';
    	form.target = "sit2000epriv";
        form.submit();
        form.usuario.value = '';
        form.password.value = '';
    }
}
function openSeg(){
	window.open('https://' + window.location.hostname + '/plan2000e/seg/home.do', 'sit2000eseg', 'resizable=no,toolbar=no,directories=no,menubar=no,status=yes,scrollbars=yes,width=1005,height=720');
}