// JavaScript Document
var pic, alt;
pic = new Array;
pic[0] = "/images/forsale.jpg";
pic[1] = "/images/forsale2.jpg";
pic[2] = "/images/forsale3.jpg"; 

alt = new Array;
alt[0] = "Demos for sale";
alt[1] = "Demos for sale";
alt[2] = "Demos for sale"; 

var now = new Date();
var seed = now.getTime() % 0xffffffff;

function rand(n) {
seed = (0x015a4e35 * seed) % 0x7fffffff;
return ( seed >> 16 ) % n;
} 

var num = rand(3);

document.write("<img alt='" + alt[num] + "' name='main_image' src='" + pic[num] + "' width='118' height='85' border='0' >");