var l = new Array;
var b = new Array;
//l[0] = "http://www.dbpower.com.hk/";
//b[0] = "/bas/banner/dbptracker.gif";
//l[1] = "http://www.madtec.net/";
//b[1] = "/bas/banner/madtec3.gif";
l[0] = "http://www.bas-hk.com/";
b[0] = "/bas/banner/bas.gif";
//l[3] = "http://www.bas-hk.com/";
//b[3] = "/bas/banner/bas.gif";
//l[4] = "http://www.hkjc.org/toyp";
//b[4] = "http://www.dbpower.com.hk/banner/toyp2001.gif";

var ran = l.length;
var randnum = Math.random();
var no = Math.round((ran - 1) * randnum);
document.write("<a href='" + l[no] + "' target='new'><img src='" + b[no] + "' border=0 valign=top></a>");