// JavaScript Document
var img_width = "780";
var img_height = "260";
var img_title = "chesterfield montessori school";


var ad=new Array()
//insert here your images src
ad[0]='images/headers/1.jpg';
ad[1]='images/headers/2.jpg';
ad[2]='images/headers/3.jpg';
ad[3]='images/headers/4.jpg';
ad[4]='images/headers/5.jpg';
ad[5]='images/headers/6.jpg';
ad[6]='images/headers/7.jpg';
ad[7]='images/headers/8.jpg';
ad[8]='images/headers/9.jpg';
ad[9]='images/headers/11.jpg';
ad[10]='images/headers/12.jpg';
ad[11]='images/headers/13.jpg';
ad[12]='images/headers/10.jpg';
ad[13]='images/headers/5.jpg';
ad[14]='images/headers/10.jpg';
ad[15]='images/headers/11.jpg';
ad[16]='images/headers/12.jpg';
ad[17]='images/headers/13.jpg';

var x=Math.floor(Math.random()*ad.length);
document.write('<img src="'+ad[x]+'" width="'+img_width+'" height="'+img_height+'" alt="'+img_title+'">');