var bn = navigator.appName;
var vn = navigator.appVersion;

if ((bn!="Microsoft Internet Explorer") || (vn.substring(0,3)!="2.0")) {

  receive1 = new  Image();
  receive1.src = "/images/interior/dncc_int_nav_01a_new.gif";
  receive2 = new  Image();
  receive2.src = "/images/interior/dncc_int_nav_01b_new.gif";
	
	meeting1 = new  Image();
  meeting1.src = "/images/interior/dncc_int_nav_02a.gif";
  meeting2 = new  Image();
  meeting2.src = "/images/interior/dncc_int_nav_02b.gif";
	
	lodging1 = new  Image();
  lodging1.src = "/images/interior/dncc_int_nav_03a.gif";
  lodging2 = new  Image();
  lodging2.src = "/images/interior/dncc_int_nav_03b.gif";
	
	entertain1 = new  Image();
  entertain1.src = "/images/interior/dncc_int_nav_04a.gif";
  entertain2 = new  Image();
  entertain2.src = "/images/interior/dncc_int_nav_04b.gif";
	
	transport1 = new  Image();
  transport1.src = "/images/interior/dncc_int_nav_05a.gif";
  transport2 = new  Image();
  transport2.src = "/images/interior/dncc_int_nav_05b.gif";
	
	home1 = new  Image();
  home1.src = "/images/interior/dncc_int_nav_06a.gif";
  home2 = new  Image();
  home2.src = "/images/interior/dncc_int_nav_06b.gif";
	
	bullet1 = new  Image();
  bullet1.src = "/images/interior/bul02.gif";
  bullet2 = new  Image();
  bullet2.src = "/images/interior/bul02o.gif";

}

function hiLite(name, source) {
  var bn = navigator.appName;
  var vn = navigator.appVersion;
  
  if ((bn!="Microsoft Internet Explorer") || (vn.substring(0,3)!="2.0")) {
    document.images[name].src = eval(source + ".src");
  }
}

//Convention Nashville Navigation
//array w/ id's of all show/hide divs
var menuArray = new Array("navEntertain");
var visShow, visHide;

function showLayer(layerID) {		
	//first hide all layers
	for (i=0; i<menuArray.length; i++) {			
		if (document.getElementById) {			
			document.getElementById(menuArray[i]).style.visibility = "hidden";
		}	
		else if (document.layers) {			
			document.layers[menuArray[i]].visibility = "hide";			
		}
		else {
			document.all(menuArray[i]).style.visibility = "hidden";
		}			
	}
	
	//figure out dom for browser
	if (layerID != "") {
		if (document.getElementById || document.all) {
			if (document.all) layerVis = document.all(layerID).style;		
			else layerVis = document.getElementById(layerID).style;
			
			visShow = "visible";
			visHide = "hidden";
		}	
		else if (document.layers) {
			layerVis = document.layers[layerID];	
			visShow = "show";
			visHide = "hide";	
		}		
				
		//show/hide current layer
		if (layerVis == visShow) {
			//hide it
			layerVis.visibility = visHide;		
		}
		else {
			//show it		
			layerVis.visibility = visShow;
		}
	}	
}