pearl_history_off = new Image();
pearl_history_off.src = "images/pearl_history_off.gif";
pearl_history_on = new Image();
pearl_history_on.src = "images/pearl_history_on.gif";

neighborhood_map_off = new Image();
neighborhood_map_off.src = "images/map_off.gif";
neighborhood_map_on = new Image();
neighborhood_map_on.src = "images/map_on.gif";

railroad_days_off = new Image();
railroad_days_off.src = "images/railroad_days_off.gif";
railroad_days_on = new Image();
railroad_days_on.src = "images/railroad_days_on.gif";

a_day_in_the_life_off = new Image();
a_day_in_the_life_off.src = "images/a_day_in_the_life_off.gif";
a_day_in_the_life_on = new Image();
a_day_in_the_life_on.src = "images/a_day_in_the_life_on.gif";

//

hsp_history_off = new Image();
hsp_history_off.src = "images/hsp_history_off.gif";
hsp_history_on = new Image();
hsp_history_on.src = "images/hsp_history_on.gif";

hsp_vision_off = new Image();
hsp_vision_off.src = "images/hsp_vision_off.gif";
hsp_vision_on = new Image();
hsp_vision_on.src = "images/hsp_vision_on.gif";

hsp_people_off = new Image();
hsp_people_off.src = "images/hsp_people_off.gif";
hsp_people_on = new Image();
hsp_people_on.src = "images/hsp_people_on.gif";

//

news_latestnews_off = new Image();
news_latestnews_off.src = "images/news_latestnews_off.gif";
news_latestnews_on = new Image();
news_latestnews_on.src = "images/news_latestnews_on.gif";

news_pressroom_off = new Image();
news_pressroom_off.src = "images/news_pressroom_off.gif";
news_pressroom_on = new Image();
news_pressroom_on.src = "images/news_pressroom_on.gif";

news_calendar_off = new Image();
news_calendar_off.src = "images/news_calendar_off.gif";
news_calendar_on = new Image();
news_calendar_on.src = "images/news_calendar_on.gif";