if (document.getElementById) { window.onload = swap };
function swap() {
var numimages=7;
rndimg = new Array("images/topbanner1.jpg", "images/topbanner2.jpg", "images/topbanner3.jpg", "images/topbanner4.jpg", "images/topbanner5.jpg", "images/topbanner6.jpg", "images/topbanner7.jpg"); 
x=(Math.floor(Math.random()*numimages));
randomimage=(rndimg[x]);
document.getElementById("banner").style.backgroundImage = "url("+ randomimage +")"; 
}
document.write ("<strong>Morphett Vale Baptist Church</strong> <br> 130 States Road, Morphett Vale, South Australia")