function prepTopNav() {
	if(!document.getElementById) return false;
	if(!document.getElementsByTagName) return false;
	if(!document.getElementById("top-nav")) return false;
	if(!document.getElementById("map-header")) return false;
	
	var map = document.getElementById("map-header");
	var mapAreas = map.getElementsByTagName("AREA");
	for (var i = 0; i < mapAreas.length; i++)
	{
		if(mapAreas[i].className.indexOf("tn") != -1)
		{
			mapAreas[i].onmouseover = function() {
				var showLiId = this.className.replace("tn-", "");
				if(!document.getElementById(showLiId)) return false;
				var showLi = document.getElementById(showLiId);				
				if(showLi.className)
				{
					showLi.className += " show";
				}
				else {
					showLi.className = "show";
				}
				return 0;
			}
		}
	}
	
	var topNav = document.getElementById("top-nav");
	var topNavLi = topNav.getElementsByTagName("li");
	for (var i = 0; i < topNavLi.length; i++)
	{
	
		topNavLi[i].onmouseout = function() {
			if(this.className.indexOf("show") != -1)
			{
				if(this.className == "show")
				{
					this.className = "";
				}
				else {
					this.className = this.className.replace(" show", "");
					this.className = this.className.replace("show ", "");
				}
			}
			return 0;
		}
	}
	return 0;
}

//addLoadEvent(prepTopNav);

function prepPopUpLink() {
	if(!document.getElementsByTagName) return true;
	
	var links = document.getElementsByTagName("A");
	for ( var i = 0; i < links.length; i++)
	{
		if(links[i].className.indexOf("popup-link") == -1) continue;
		
		links[i].onclick = function() {
			var href = this.getAttribute("href");
			var title = this.innerHTML;
			newWin = window.open(href,"poppage2", "resizable=yes,scrollbars=yes,status=no,toolbar=no,location=no,width=500,height=500,left=200,top=20");
			return false;
		}
	}
	return 0;
}

addLoadEvent(prepPopUpLink);

/* = ON LOAD
---------------------------------------------------------------
	add the on load events
---------------------------------------------------------------*/
function addLoadEvent(func) {
	var oldOnLoad = window.onload
	if (typeof window.onload != 'function') 
	{
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldOnLoad();
			func();
		}
	}
}