var pic_1_f=new Image;
var pic_1_s=new Image;
var pic_1_b=new Image;

var pic_2_f=new Image;
var pic_2_s=new Image;
var pic_2_b=new Image;

var pic_6_f=new Image;
var pic_6_s=new Image;
var pic_6_b=new Image;

pic_1_f.src="pics/big_pic_11_f.jpg";
pic_1_s.src="pics/big_pic_11_s.jpg";
pic_1_b.src="pics/big_pic_11_b.jpg";

pic_2_f.src="pics/big_pic_88_f.jpg";
pic_2_s.src="pics/big_pic_88_s.jpg";
pic_2_b.src="pics/big_pic_88_b.jpg";

pic_6_f.src="pics/big_pic_66_f.jpg";
pic_6_s.src="pics/big_pic_66_s.jpg";
pic_6_b.src="pics/big_pic_66_b.jpg";