sp = new Image( 1, 20); 
sp.src="/img/top_navigation/all_active.gif";

sp1 = new Image( 6, 20); 
sp1.src="/img/top_navigation/left_active.gif";

sp3 = new Image( 8, 20); 
sp3.src="/img/top_navigation/right_active.gif";

sp2 = new Image( 11, 12); 
sp2.src="/img/top_navigation/line.gif";

small_to_big = new Image(33, 13);
small_to_big.src = "/img/filters/small_to_big.gif";

small_to_big_active = new Image(33, 13);
small_to_big_active.src = "/img/filters/small_to_big_active.gif";

big_to_small = new Image(33, 13);
big_to_small.src = "/img/filters/big_to_small.gif";

big_to_small_active = new Image(33, 13);
big_to_small_active.src = "/img/filters/big_to_small_active.gif";