adImages = new Array("ag-banner-01.gif", "ag-banner-02.gif", "ag-banner-03.gif", "ag-banner-04.gif")
adUrl = new Array("#", "#", "#", "#")
imgCt = adImages.length
function chooseAd() {
	if (document.images) {
		thisAd = Math.floor((Math.random() * imgCt))
		document.adBanner.src = "advertising/" + adImages[thisAd]
	}
}
function adLink() {
	document.location.href = "advertising/" + adUrl[thisAd]
}