home = new Image();
backg = new Image();
proj = new Image();
train = new Image();
sens = new Image();
agen = new Image();
res = new Image();
m_c = new Image();
con = new Image();

home.src = "images/home_s.jpg";
backg.src = "images/back_s.jpg";
proj.src = "images/sub_proj_s.jpg";
train.src = "images/sub_train_s.jpg";
sens.src = "images/sens_s.jpg";
agen.src = "images/agen_s.jpg";
res.src = "images/res_s.jpg";
m_c.src = "images/m_c_s.jpg";
con.src = "images/con_s.jpg";

sub_dis = new Image();
sub_reg = new Image();
sub_aff = new Image();

sub_dis.src = "images/sub_disease_s.jpg";
sub_reg.src = "images/sub_region_s.jpg";
sub_aff.src = "images/sub_aff_s.jpg";