var btn_what_is_lss_out = new Image(102, 25);
var btn_what_is_lss_over = new Image(102, 25);
var btn_ready_fo_out = new Image(219, 25);
var btn_ready_fo_over = new Image(219, 25);
var btn_symptoms_out = new Image(134, 25);
var btn_symptoms_over = new Image(134, 25);
var stories_th_out = new Image(145, 242);
var stories_th_over = new Image(145, 242);

btn_what_is_lss_out.src = "imgs/btn_what_is_lss_out.gif";
btn_what_is_lss_over.src = "imgs/btn_what_is_lss_over.gif";
btn_ready_fo_out.src = "imgs/btn_ready_fo_out.gif";
btn_ready_fo_over.src = "imgs/btn_ready_fo_over.gif";
btn_symptoms_out.src = "imgs/btn_symptoms_out.gif";
btn_symptoms_over.src = "imgs/btn_symptoms_over.gif";
stories_th_out.src = "imgs/stories_th_out.gif";
stories_th_over.src = "imgs/stories_th_over.gif";