if (top.frames.length != 0) {
    top.location = self.document.location;
}

function imgAct(roll) {
	if (document.images) {
              document.images [roll].src = "http://www.spokanecity.org/images/mainnav_" + roll + "_on.gif";
	}
	else { }
}
function imgInact(roll) { 
	if (document.images) {
             document.images [roll].src = "http://www.spokanecity.org/images/mainnav_" + roll + ".gif";
	}
	else { }
}