var pix = new Array;
var link = new Array;
pix[0] = "images/sub_pages/01.jpg";
pix[1] = "images/sub_pages/02.jpg";
pix[2] = "images/sub_pages/03.jpg";
pix[3] = "images/sub_pages/04.jpg";
pix[4] = "images/sub_pages/05.jpg";
pix[5] = "images/sub_pages/08.jpg";

var rand = Math.floor(Math.random() * 6);