// JavaScript Document
var mastheadSrcs = new Array("images/backgrounds/1.jpg","images/backgrounds/2.jpg","images/backgrounds/3.jpg","images/backgrounds/4.jpg","images/backgrounds/5.jpg","images/backgrounds/6.jpg","images/backgrounds/7.jpg","images/backgrounds/8.jpg","images/backgrounds/9.jpg","images/backgrounds/10.jpg","images/backgrounds/11.jpg","images/backgrounds/12.jpg","images/backgrounds/13.jpg","images/backgrounds/14.jpg","images/backgrounds/15.jpg","images/backgrounds/16.jpg","images/backgrounds/17.jpg","images/backgrounds/18.jpg","images/backgrounds/18.jpg","images/backgrounds/20.jpg","images/backgrounds/21.jpg","images/backgrounds/22.jpg")
function pickmasthead() 
{  
var bgimage=mastheadSrcs[(Math.round(Math.random()*(mastheadSrcs.length-1)))] 

document.getElementById("imagecontain").style.backgroundImage = "url('" + bgimage + "')"; 
}