function switchPicture(src){
//		frames['I1'].location.href=src;
		document.images['I1'].src=src;
	}

function overlay() { el = document.getElementById("overlay"); el.style.visibility = (el.style.visibility == "visible") ? "hidden" : "visible"; }

function showOverlay() {
	var allCookies = document.cookie;
	if ( allCookies.indexOf("noticeShown") === -1) {
		overlay();
		document.cookie="noticeShown=true; path=/;domain=.blwilliamsllc.com";
	}
}