function get(eid) {return document.getElementById(eid);}
;
function showSitemapSub(sRef, show) {
	if ('undefined' == typeof show) show = true;
/*
		try{
			// if IE, do special handling for its dumbass event model to prevent on/off flickering 
			// of suboptions displays for extraneous mouse-movement event notifications
			if (window.event) {
				// get event-related aspects
				var evt = window.event;
				evt.cancelBubble = true;
				// get sitemap top-level options
				var list = get('sitemap').childNodes;
				var last = list.length;
				var sinkEvt = false;
				for (var i = 0; i < last; i++) {
					if (list[i].className && 'sitemapMain' == list[i].className) {
						sinkEvt = sinkEvt || killShowSitemap(evt, list[i].id);
					}
				}
				if (sinkEvt) return;
			}
		}
		catch (e) {
			; // very fast mouse movements onto/off-of sitemap can cause IE to puke an object error...ignore it
		}
*/
	var subId = sRef.id + 'Sub';
	get(subId).style.left = show?'0':'-2000px';
	get(subId).style.top = (-get(subId).offsetHeight) + 'px';
}
;
function killShowSitemap(evt, optId) {
	var isOut = 'mouseout' == evt.type;
	var fromEl = evt.fromElement;
	var fromId = fromEl.id?fromEl.id:'none';
	var toEl = evt.toElement;
	var toId = toEl.id?toEl.id:'none';
	var toEp = toEl.parentNode;
	var toEpp = toEl.parentNode.parentNode;

	// true, if moving from open suboptions to external content element of page
	var toExternal = toEl.className?(containsSubstring(toEl.className,['toolbar', 'cell', 'row', 'frame'])):false;

	var optSubId = optId + 'Sub';						// construct pro-forma id of corresponding suboption container
	var isSubOn = 0 <= get(optSubId).offsetLeft;	// Boolean to indicate whether suboptions are on-screen

	// true, if moving from open sub to anther main option
	var toSibMain = (-1 != fromId.indexOf('Sub')) && (-1 == fromId.indexOf(toId));  

	// Boolean to indicate whether event is extraneous (true ==> extraneous)
	var kill = (fromId == optId && toId == optSubId) ||		// true, if moving from main to sub
		(fromId == optSubId && toId == optId) ||					// true, if moving from sub to main
		('none' == toId && fromId == optId && isSubOn) ||		// true, if no to id and moving from main while sub is displayed
		('none' == toId && fromId == optSubId && isSubOn) ||	// true, if no to id and moving from sub while sub is displayed
		('none' == fromId && toId == optId && isSubOn) ||		// true, if no from id and moving to main while sub is displayed
		('none' == fromId && toId == optSubId && isSubOn) ||	// true, if no from id and moving to sub while sub is displayed
		('none' == fromId && 'none' == toId && isSubOn); 		// true, if no from or to id while sub is displayed
	return kill && !toExternal && ! toSibMain;
}
;
function containsSubstring(s, sSet) {
	var last = sSet.length;
	var contains = false;
	for (var i = 0; i < last; i++) {
		contains = -1 != s.indexOf(sSet[i]);
		if (contains) break;
	}
	return contains;
} 
;