katalog1_over = new Image();
katalog1_over.src = "grafika/dopos/katalog1_over.jpg";
katalog2_over = new Image();
katalog2_over.src = "grafika/dopos/katalog2_over.jpg";
katalog3_over = new Image();
katalog3_over.src = "grafika/dopos/katalog3_over.jpg";
katalog4_over = new Image();
katalog4_over.src = "grafika/dopos/katalog4_over.jpg";
banner_left_over = new Image();
banner_left_over.src = "grafika/dopos/banner-left_over.jpg";
banner_right_over = new Image();
banner_right_over.src = "grafika/dopos/banner-right_over.jpg";