var layerRef="";
var styleSwitch="";
var visibleVar="null";
var LayerID="census";

function showLayer(layerName){
    eval(layerRef+'["'+LayerID+'"]'+styleSwitch+'.visibility="hidden"');
    eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
    LayerID=layerName;
 }

function init(){
  if (navigator.appName == "Netscape") {
            layerStyleRef="layer.";
            layerRef="document.layers";
            styleSwitch="";
            displayVar="show";
  }else{
            layerStyleRef="layer.style.";
            layerRef="document.all";
            styleSwitch=".style";
            displayVar="visible";
        }
  }


function MouseOver() 
{if (navigator.appName == "Netscape") {return;}
else{
	window.event.srcElement.style.color = "red";
	window.event.srcElement.style.cursor = "hand";
}}

function MouseOut() 
{if (navigator.appName == "Netscape") {return;}
else{
	window.event.srcElement.style.color = "midnightblue";
	window.event.srcElement.style.cursor = "default";
}}