myPix = new Array("/bby/images/banners/working_1.jpg","/bby/images/banners/working_2.jpg")
	imgCt = myPix.length 

	function choosePic() {

		if (document.images) {
			randomNum = Math.floor((Math.random() * imgCt))
			document.bannerimage.src = myPix[randomNum]
		}
	}
window.onload = choosePic;