var pix1 = new Array;
pix1[0] = "images/design001/rotate/01_noBill.jpg";
pix1[1] = "images/design001/rotate/02_noBill.jpg";
pix1[2] = "images/design001/rotate/03_noBill.jpg";
pix1[3] = "images/design001/rotate/04_noBill.jpg";
pix1[4] = "images/design001/rotate/06_noBill.jpg";

var rand = Math.floor(Math.random() * 5);