function loaMp(k) {
flag = k;

var Xp = new Array();
var Yp = new Array();
var desc = new Array();

desc[0] = "San Vincenzo ";
Xp[0] = 43.1083;
Yp[0] = 10.5394;
desc[1] = " Castagneto ";
Xp[1] = 43.1760;
Yp[1] = 10.5333;
desc[2] = " Cecina ";
Xp[2] = 43.3000;
Yp[2] = 10.4875;
desc[3] = "Marina di Vada ";
Xp[3] = 43.3500;
Yp[3] = 10.4500;
desc[4] = "Porto Com.le ";
Xp[4] = 43.3500;
Yp[4] = 10.4400;
desc[5] = "Rosignano Solvay";
Xp[5] = 43.3660;
Yp[5] = 10.4350;
desc[6] = "Rossana Porto v.";
Xp[6] = 43.3800;
Yp[6] = 10.4300;
desc[7] = "Castiglioncello N";
Xp[7] = 43.4000;
Yp[7] = 10.4240;
desc[8] = "Castiglioncello S";
Xp[8] = 43.3880;
Yp[8] = 10.4268;
desc[9] = "Foce del Chioma ";
Xp[9] = 43.4450;
Yp[9] = 10.3780;
desc[10] = "Quercianella ";
Xp[10] = 43.4600;
Yp[10] = 10.3600;
desc[11] = "Castel Sonnino ";
Xp[11] = 43.4800;
Yp[11] = 10.3250;
desc[12] = "Antignano ";
Xp[12] = 43.5002;
Yp[12] = 10.3205;
desc[13] = "Ardenza ";
Xp[13] = 43.5166;
Yp[13] = 10.3143;
desc[14] = "Accademia Navale ";
Xp[14] = 43.5305;
Yp[14] = 10.3038;
desc[15] = "Nazario Sauro ";
Xp[15] = 43.5427;
Yp[15] = 10.3000;
desc[16] = "Beppe Croce ";
Xp[16] = 43.5486;
Yp[16] = 10.3033;
desc[17] = "Livorno ";
Xp[17] = 43.5622;
Yp[17] = 10.2950;
desc[18] = "Bocca d'Arno ";
Xp[18] = 43.6808;
Yp[18] = 10.2722;
desc[19] = "Gorgona ";
Xp[19] = 43.4286;
Yp[19] = 9.8993;
desc[20] = "Capraia ";
Xp[20] = 43.0515;
Yp[20] = 9.8393;

porti_nav(18,20,flag,Xp,Yp,43.1666,10.5333,11,desc,0.005);
}