//detect browser
browserVersion = detectBrowser();
menu_name = "";
menu_delay = .5;
var menus  = new Array();
var timerID = "";

function init() {
  
	if (browserVersion == "ie4+") {
  	for (var i = 0; i < Div_Menus.length; i++) {
  		refName = init_Div_Menus[i];
  		menus[refName] = eval(refName + ".style");
  	}
	}
	if (browserVersion == "ns4") {
  	for (var i = 0; i < Div_Menus.length; i++) {
  		refName = init_Div_Menus[i];
  		menus[refName] = eval("document." + refName);
  	}
	}
	if (browserVersion == "ns6") {
		for (var i = 0; i < Div_Menus.length; i++) {
  		refName = init_Div_Menus[i];
  		menus[refName] = eval("document.getElementById(\"" + refName + "\").style");
  	}
	}
}

//fix window sizing issues for netscape 4+
if (document.layers) {
	Checkheight = window.innerHeight
	Checkwidth = window.innerWidth
	window.onResize = resizeFix
}

function resizeFix() {
	if (Checkwidth != window.innerWidth || Checkheight != window.innerHeight)
	document.location.href = document.location.href;
}

function showMenu(tCurrentMenu) {
  if (pageLoaded) {
  	clearTimeout(timerID)
  	menu_name = tCurrentMenu
  	setTimeout('menuOn()',menu_delay);
	}
}

function menuOn() {
  if (pageLoaded) {
  	hideAllMenus();
  	if (menus[menu_name]) {
  	  menus[menu_name].visibility = "visible";
  	}
	}
}

function menuOff() {
  if (pageLoaded) {
  	clearTimeout(timerID)
  	timerID = setTimeout('hideAllMenus()', 750);
	}
}

function hideAllMenus() {
  if (pageLoaded) {
  	for (var idx = 0; idx <  init_Div_Menus.length; idx++) {
  		menus[init_Div_Menus[idx]].visibility = "hidden";
  	}
  }
}


function detectBrowser() {
	var browserVersion = "other";
	if
	(navigator.userAgent.indexOf('MSIE 6') != -1) browserVersion = "ie4+";
	else if
	(navigator.userAgent.indexOf('MSIE 5') != -1) browserVersion = "ie4+";
	else if
	(navigator.userAgent.indexOf('MSIE 4') != -1)  browserVersion = "ie4+";
  else if
  (navigator.userAgent.indexOf("Mozilla/4") != -1)  browserVersion = "ns4";
  else if
  (navigator.userAgent.indexOf("Netscape6") != -1)  browserVersion = "ns6";
 	return browserVersion;
}