var b_serv_0     = new Image;
var b_serv_1     = new Image;

var b_port_0     = new Image;
var b_port_1     = new Image;

var b_reso_0     = new Image;
var b_reso_1     = new Image;

var b_cont_0     = new Image;
var b_cont_1     = new Image;

var b_home_0     = new Image;
var b_home_1     = new Image;

b_serv_0.src     = "./images/head/b_serv_0.gif";
b_serv_1.src     = "./images/head/b_serv_1.gif";

b_port_0.src     = "./images/head/b_port_0.gif";
b_port_1.src     = "./images/head/b_port_1.gif";

b_reso_0.src     = "./images/head/b_reso_0.gif";
b_reso_1.src     = "./images/head/b_reso_1.gif";

b_cont_0.src     = "./images/head/b_cont_0.gif";
b_cont_1.src     = "./images/head/b_cont_1.gif";

b_home_0.src     = "./images/head/b_home_0.gif";
b_home_1.src     = "./images/head/b_home_1.gif";