// JavaScript Document


var str=new Array("images/banner_1.jpg","images/banner_2.jpg", "images/banner_3.jpg", "images/banner_4.jpg", "images/banner_5.jpg", "images/banner_6.jpg", "images/banner_7.jpg", "images/banner_8.jpg", "images/banner_9.jpg", "images/banner_10.jpg", "images/banner_12.jpg", "images/banner_13.jpg");

var a;

a=str[parseInt(Math.random()*(str.length))];

document.write("<img src="+a+">");