// JavaScript Document
// initialize events
if (window.addEventListener)
	window.addEventListener("load", onLoadFunctions, false);
else if (window.attachEvent)
	window.attachEvent ("onload", onLoadFunctions);
function onLoadFunctions () {
	activateSubNavs();
}
// find subnav and make their parents activate the subnav's visibility
function activateSubNavs () {
    var navLists = document.getElementById("navBar").getElementsByTagName("ul");
	for (i=0; i<navLists.length; i++) {
		if (navLists[i].className == "subNav") {
			var superNav = navLists[i].parentNode;
			var subNav = navLists[i];
			revealHideMouseAction (superNav, subNav);
		}
	}
}
function revealHideMouseAction (controlObj, targetObj) {
	controlObj.onmouseover = function () { targetObj.style.visibility = "visible" };
	controlObj.onmouseout = function () { targetObj.style.visibility = "hidden" };
}