// This function is used for the Suckerfish (flyout) menus

sfHover = function()
{
	var dropnav = document.getElementById("dropnav");
	if (dropnav)
	{
		var sfEls = dropnav.getElementsByTagName("LI");
		for (var i = 0; i < sfEls.length; i++)
		{
			sfEls[i].onmouseover = function()
			{
				this.className += " sfhover";
			}
			sfEls[i].onmouseout = function()
			{
				this.className = this.className.replace(new RegExp(" sfhover\\b"), "");
			}
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

// menuExpandable.js - implements an expandable menu based on a HTML list
// Author: Dave Lindquist (http://www.gazingus.org)

if (!document.getElementById)
	document.getElementById = function()
	{
		return null;
	}

function initializeMenu(menuId, actuatorId)
{
	var menu = document.getElementById(menuId);
	var actuator = document.getElementById(actuatorId);

	if (menu == null || actuator == null) return;

	//if (window.opera) return; // I'm too tired

	actuator.parentNode.style.background = "url(../img/arrow-down-sm.gif) 90% 10px no-repeat";
	actuator.onclick = function()
	{
		var display = menu.style.display;
		this.parentNode.style.background =
		(display == "block") ? "url(../img/arrow-down-sm.gif) 90% 10px no-repeat" : "url(../img/arrow-up-sm.gif) 90% 10px no-repeat";
		menu.style.background = "url(/images/square.gif)";
		menu.style.display = (display == "block") ? "none" : "block";

		return false;
	}
}

// Preload images

function Preload()
{
	var args = simplePreload.arguments;
	document.imageArray = new Array(args.length);
	for (var i = 0; i < args.length; i++)
	{
		document.imageArray[i] = new Image;
		document.imageArray[i].src = args[i];
	}
}