// switcher.js
// switches images around
// by Greg Poole | greg@webengine.com.au | www.webengine.com.au

var SWITCH_TIME = 10000;
var switchObj;

var switchImages = new Array("images/feature_image.jpg", "images/feature_image2.jpg", "images/feature_image3.jpg", "images/feature_image4.jpg", "images/feature_image5.jpg", "images/feature_image6.jpg");

function initialiseSwitcher() {
	switchObj = document.getElementById("feature");
	var pre_Images = new Array();
	for(var i=0;i<switchImages.length;i++) {
		pre_Images[i] = new Image();
		pre_Images[i].src = switchImages[i];
	}
	doRotate();
}
addEventHandler(window,'onload',initialiseSwitcher);

function doRotate() {
	var index = Math.round(Math.random() * (switchImages.length - 1));
	switchObj.style.backgroundImage = "url(" + switchImages[index] + ")";
	setTimeout(doRotate,SWITCH_TIME);
}