adImages = new Array("images/opa.jpg","images/opb.jpg","images/opc.jpg")
	thisAd = 0
	imgCt = adImages.length

	function rotate() {
		if (document.images) {
			thisAd++
			if (thisAd == imgCt) {
				thisAd = 0
			}
			document.adBanner.src=adImages[thisAd]
		  	setTimeout("rotate()", 3 * 1000)
	  	}
	}