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 = null
var timeOn = null
var loaded = 0

// 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";
	}
}

//BUTTON ROLLOVER
function change(Name, No) {
	if (document.images && (loaded == 1)) {
		document.images[Name].src = eval(Name + No + ".src");
	}
	return true;
}

//Function To Open Window
function popup(url) {
	var window_left = (screen.width-350)/2;
	var window_top = 0

	details = window.open(url,'details','width=350,height=364,resizable=no,scrollbars=no,top=' + window_top + ',left=' + window_left + '');
	details.window.focus();
}

// SHOW MENU
function showLayer(layerName){
	if (NS4 || IE4) {
		if (timeOn != null) {
			clearTimeout(timeOn);
			hideLayer(onLayer);
		}
		if (NS4 || IE4) {
			eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
		}
		onLayer = layerName;
	}
}

// HIDE MENU
function hideLayer(layerName){
	if (menuActive == 0) {
		if (NS4 || IE4) {
			if(layerName != null) {
				eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
			}
		}
	}
}

// TIMER FOR BUTTON MOUSE OUT
function btnTimer() {
	timeOn = setTimeout("btnOut()",1000);
}

// BUTTON MOUSE OUT
function btnOut(layerName) {
	if (menuActive == 0) {
		hideLayer(onLayer);
	}
}

// MENU MOUSE OVER  
function menuOver(itemName) {
	clearTimeout(timeOn);
	menuActive = 1;

	if (loaded) {
		if (NS4 || IE4) {
			if (NS4) {
				document[onLayer].document.images[itemName].src = menu1.src
			} else {
				document.all[itemName].src = menu1.src
			}
		}
	}
}

// MENU MOUSE OUT 
function menuOut(itemName) {
	menuActive = 0;

	if (loaded) {
		if (NS4 || IE4) {
			if (NS4) {
				document[onLayer].document.images[itemName].src = menu0.src;
			} else {
				document.all[itemName].src = menu0.src;
			}
		}
	}
	timeOn = setTimeout("hideLayer(onLayer)", 400);
}

