window.onerror = null;
 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS4 = (bName == "Netscape" && bVer >= 4);
 var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
 var NS3 = (bName == "Netscape" && bVer < 4);
 var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
 var menuActive = 0
 var menuOn = 0
 var onLayer = "empty" //empty division for Netscape
 var timeOn = null
 var ActiveLayer = "active"
 
 // LAYER SWITCHING CODE
 if (NS4 || IE4) {
 if (navigator.appName == "Netscape") {
 	layerStyleRef="layer.";
	layerRef="document.layers";
	styleSwitch="";
 	} else {
	layerStyleRef="layer.style.";
	layerRef="document.all";
	styleSwitch=".style";
	}
 }
 
// Show Layer
function showLayer(layerName){
if (NS4 || IE4) {
// close the layer if open
 if (timeOn != null) {
 timeOn = clearTimeout(timeOn)
 hideLayer(onLayer)
 }
 if (NS4 || IE4) {
 eval(layerRef+'["'+ActiveLayer+'"]'+styleSwitch+'.visibility="hidden"');
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
 }
 onLayer = layerName
 }
}

// Hide Layer - will be used in button MouseOut
function hideLayer(layerName){
 if (menuActive == 0) {
 if (NS4 || IE4) {
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
 eval(layerRef+'["'+ActiveLayer+'"]'+styleSwitch+'.visibility="visible"');
 }
 }
}

// Timer button MouseOut
function btnTimer() {
 timeOn = setTimeout("btnOut()",100)
}

// Button MouseOut
function btnOut(layerName) {
 hideLayer(onLayer)
}

// Menu MouseOver
function menuOver() {
 timeOn = clearTimeout(timeOn)
 menuActive = 1
}

// Menu MouseOut
function menuOut() {
 menuActive = 0
 timeOn = setTimeout("hideLayer(onLayer)", 150)
}