adv_01 =  new Image ();  adv_01.src = "images/adv_01.jpg";
adv_011 = new Image ();  adv_011.src = "images/adv_011.jpg";
adv_02 =  new Image ();  adv_02.src = "images/adv_02.jpg";
adv_021 = new Image ();  adv_021.src = "images/adv_021.jpg";
adv_03 =  new Image ();  adv_03.src = "images/adv_03.jpg";
adv_031 = new Image ();  adv_031.src = "images/adv_031.jpg";