// PHP Layers Menu 2.3.5 (C) 2001-2003 Marco Pratesi (marco at telug dot it)

numl = 0;

DOM = (document.getElementById) ? 1 : 0;
NS4 = (document.layers) ? 1 : 0;
// We need to explicitly detect Konqueror
// because Konqueror 3 sets IE = 1 ... AAAAAAAAAARGHHH!!!
Konqueror = (navigator.userAgent.indexOf("Konqueror") > -1) ? 1 : 0;
// We need to detect Konqueror 2.1 and 2.2 as they do not handle the window.onresize event
Konqueror21 = (navigator.userAgent.indexOf("Konqueror 2.1") > -1 || navigator.userAgent.indexOf("Konqueror/2.1") > -1) ? 1 : 0;
Konqueror22 = (navigator.userAgent.indexOf("Konqueror 2.2") > -1 || navigator.userAgent.indexOf("Konqueror/2.2") > -1) ? 1 : 0;
Konqueror2 = Konqueror21 || Konqueror22;
Opera = (navigator.userAgent.indexOf("Opera") > -1) ? 1 : 0;
Opera5 = (navigator.userAgent.indexOf("Opera 5") > -1 || navigator.userAgent.indexOf("Opera/5") > -1) ? 1 : 0;
Opera6 = (navigator.userAgent.indexOf("Opera 6") > -1 || navigator.userAgent.indexOf("Opera/6") > -1) ? 1 : 0;
Opera56 = Opera5 || Opera6;
IE = (document.all) ? 1 : 0;
IE4 = IE && !DOM;

// PHP Layers Menu 2.3.5 (C) 2001-2003 Marco Pratesi (marco at telug dot it)

function setVisibility(layer,on) {
	if (on) {
		if (DOM) {
			document.getElementById(layer).style.visibility = "visible";
		} else if (NS4) {
			document.layers[layer].visibility = "show";
		} else {
			document.all[layer].style.visibility = "visible";
		}
	} else {
		if (DOM) {
			document.getElementById(layer).style.visibility = "hidden";
		} else if (NS4) {
			document.layers[layer].visibility = "hide";
		} else {
			document.all[layer].style.visibility = "hidden";
		}
	}
}

function isVisible(layer) {
	if (DOM) {
		return (document.getElementById(layer).style.visibility == "visible");
	} else if (NS4) {
		return (document.layers[layer].visibility == "show");
	} else {
		return (document.all[layer].style.visibility == "visible");
	}
}

function setLeft(layer,x) {
	if (DOM && !Opera5) {
		document.getElementById(layer).style.left = x + "px";
	} else if (Opera5) {
		document.getElementById(layer).style.left = x;
	} else if (NS4) {
		document.layers[layer].left = x;
	} else {
		document.all[layer].style.pixelLeft = x;
	}
}

function getOffsetLeft(layer) {
	var value = 0;
	if (DOM) {	// Mozilla, Konqueror >= 2.2, Opera >= 5, IE
			// timing problems with Konqueror 2.1 ?
		object = document.getElementById(layer);
		value = object.offsetLeft;
//alert (object.tagName + " --- " + object.offsetLeft);
		while (object.tagName != "BODY" && object.offsetParent) {
			object = object.offsetParent;
//alert (object.tagName + " --- " + object.offsetLeft);
			value += object.offsetLeft;
		}
	} else if (NS4) {
		value = document.layers[layer].pageX;
	} else {	// IE4 IS SIMPLY A BASTARD !!!
		if (document.all["IE4" + layer]) {
			layer = "IE4" + layer;
		}
		object = document.all[layer];
		value = object.offsetLeft;
		while (object.tagName != "BODY") {
			object = object.offsetParent;
			value += object.offsetLeft;
		}
	}
	return (value);
}

function setTop(layer,y) {
	if (DOM && !Opera5) {
		document.getElementById(layer).style.top = y + "px";
	} else if (Opera5) {
		document.getElementById(layer).style.top = y;
	} else if (NS4) {
		document.layers[layer].top = y;
	} else {
		document.all[layer].style.pixelTop = y;
	}
}

function getOffsetTop(layer) {
// IE 5.5 and 6.0 behaviour with this function is really strange:
// in some cases, they return a really too large value...
// ... after all, IE is buggy, nothing new
	var value = 0;
	if (DOM) {
		object = document.getElementById(layer);
		value = object.offsetTop;
		while (object.tagName != "BODY" && object.offsetParent) {
			object = object.offsetParent;
			value += object.offsetTop;
		}
	} else if (NS4) {
		value = document.layers[layer].pageY;
	} else {	// IE4 IS SIMPLY A BASTARD !!!
		if (document.all["IE4" + layer]) {
			layer = "IE4" + layer;
		}
		object = document.all[layer];
		value = object.offsetTop;
		while (object.tagName != "BODY") {
			object = object.offsetParent;
			value += object.offsetTop;
		}
	}
	return (value);
}

function setWidth(layer,w) {
	if (DOM) {
		document.getElementById(layer).style.width = w;
	} else if (NS4) {
//		document.layers[layer].width = w;
	} else {
		document.all[layer].style.pixelWidth = w;
	}
}

function getOffsetWidth(layer) {
	var value = 0;
	if (DOM && !Opera56) {
		value = document.getElementById(layer).offsetWidth;
		if (isNaN(value)) {
		// e.g. undefined on Konqueror 2.1
			if (abscissaStep) {	// this variable is set if this function is used with the PHP Layers Menu System
				value = abscissaStep;
			} else {
				value = 0;
			}
		}
	} else if (NS4) {
		value = document.layers[layer].document.width;
	} else if (Opera56) {
		value = document.getElementById(layer).style.pixelWidth;
	} else {	// IE4 IS SIMPLY A BASTARD !!!
		if (document.all["IE4" + layer]) {
			layer = "IE4" + layer;
		}
		value = document.all[layer].offsetWidth;
	}
	return (value);
}

function setHeight(layer,h) {	// unused, not tested
	if (DOM) {
		document.getElementById(layer).style.height = h;
	} else if (NS4) {
//		document.layers[layer].height = h;
	} else {
		document.all[layer].style.pixelHeight = h;
	}
}

function getOffsetHeight(layer) {
	var value = 0;
	if (DOM && !Opera56) {
		value = document.getElementById(layer).offsetHeight;
		if (isNaN(value)) {
		// e.g. undefined on Konqueror 2.1
			value = 25;
		}
	} else if (NS4) {
		value = document.layers[layer].document.height;
	} else if (Opera56) {
		value = document.getElementById(layer).style.pixelHeight;
	} else {	// IE4 IS SIMPLY A BASTARD !!!
		if (document.all["IE4" + layer]) {
			layer = "IE4" + layer;
		}
		value = document.all[layer].offsetHeight;
	}
	return (value);
}

function getWindowWidth() {
	var value = 0;
	if ((DOM && !IE) || NS4 || Konqueror || Opera) {
		value = top.innerWidth;
//	} else if (NS4) {
//		value = document.width;
	} else {	// IE
		if (document.documentElement && document.documentElement.clientWidth) {
			value = document.documentElement.clientWidth;
		} else if (document.body) {
			value = document.body.clientWidth;
		}
	}
	if (isNaN(value)) {
		value = top.innerWidth;
	}
	return (value);
}

function getWindowXOffset() {
	var value = 0;
	if ((DOM && !IE) || NS4 || Konqueror || Opera) {
		value = window.pageXOffset;
	} else {	// IE
		if (document.documentElement && document.documentElement.scrollLeft) {
			value = document.documentElement.scrollLeft;
		} else if (document.body) {
			value = document.body.scrollLeft;
		}
	}
	return (value);
}

function getWindowHeight() {
	var value = 0;
	if ((DOM && !IE) || NS4 || Konqueror || Opera) {
		value = top.innerHeight;
	} else {	// IE
		if (document.documentElement && document.documentElement.clientHeight) {
			value = document.documentElement.clientHeight;
		} else if (document.body) {
			value = document.body.clientHeight;
		}
	}
	if (isNaN(value)) {
		value = top.innerHeight;
	}
	return (value);
}

function getWindowYOffset() {
	var value = 0;
	if ((DOM && !IE) || NS4 || Konqueror || Opera) {
		value = window.pageYOffset;
	} else {	// IE
		if (document.documentElement && document.documentElement.scrollTop) {
			value = document.documentElement.scrollTop;
		} else if (document.body) {
			value = document.body.scrollTop;
		}
	}
	return (value);
}

// PHP Layers Menu 2.3.5 (C) 2001-2003 Marco Pratesi (marco at telug dot it)

loaded = 0;
layersMoved = 0;

menuLeftShift = 6;
menuRightShift = 10;

layerPoppedUp = "";

currentY = 0;
function grabMouse(e) {	// for NS4
	currentY = e.pageY;
}
if (NS4) {
	document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE);
	document.onmousemove = grabMouse;
}

function shutdown() {
	for (i=1; i<=numl; i++) {
		LMPopUpL(listl[i], false);
	}
	layerPoppedUp = "";
}

function none()
{
}

function handle_shutdown()
{
if (NS4) {
	document.onmousedown = shutdown;
} else {
	document.onclick = shutdown;
}
}

function unhandle_shutdown()
{
if (NS4) {
	document.onmousedown = none;
} else {
	document.onclick = none;
}
}

function moveLayerX(menuName) {
	if (!loaded || (isVisible(menuName) && menuName != layerPoppedUp)) {
		return;
	}
	if (father[menuName] != "") {
		if (!Opera5 && !IE4) {
			width0 = lwidth[father[menuName]];
			width1 = lwidth[menuName];
		} else if (Opera5) {
			// Opera 5 stupidly and exaggeratedly overestimates layers widths
			// hence we consider a default value equal to $abscissaStep
			width0 = abscissaStep;
			width1 = abscissaStep;
		} else if (IE4) {
			width0 = getOffsetWidth(father[menuName]);
			width1 = getOffsetWidth(menuName);
		}
		onLeft = getOffsetLeft(father[menuName]) - width1 + menuLeftShift;
		onRight = getOffsetLeft(father[menuName]) + width0 - menuRightShift;
		windowWidth = getWindowWidth();
		windowXOffset = getWindowXOffset();
//		if (NS4 && !DOM) {
//			windowXOffset = 0;
//		}
		if (onLeft < windowXOffset && onRight + width1 > windowWidth + windowXOffset) {
			if (onRight + width1 - windowWidth - windowXOffset > windowXOffset - onLeft) {
				onLeft = windowXOffset;
			} else {
				onRight = windowWidth + windowXOffset - width1;
			}
		}
		if (back[father[menuName]]) {
			if (onLeft < windowXOffset) {
				back[menuName] = 0;
			} else {
				back[menuName] = 1;
			}
		} else {
//alert(onRight + " - " + width1 + " - " +  windowWidth + " - " + windowXOffset);
			if (onRight + width1 > windowWidth + windowXOffset) {
				back[menuName] = 1;
			} else {
				back[menuName] = 0;
			}
		}
		if (back[menuName]) {
			setLeft(menuName, onLeft);
		} else {
			setLeft(menuName, onRight);
		}
	}
	moveLayerY(menuName, 0);	// workaround needed for Mozilla for MS Windows
}

function moveLayerY(menuName, ordinateMargin) {
	if (!loaded || (isVisible(menuName) && menuName != layerPoppedUp)) {
		return;
	}
	if (!layersMoved) {
		moveLayers();
		layersMoved = 1;
	}
	if (!NS4) {
		newY = getOffsetTop("ref" + menuName);
	} else {
		newY = currentY;
	}
	newY -= ordinateMargin;
	layerHeight = getOffsetHeight(menuName);
	windowHeight = getWindowHeight();
	windowYOffset = getWindowYOffset();
	if (newY + layerHeight > windowHeight + windowYOffset) {
		if (layerHeight > windowHeight) {
			newY = windowYOffset;
		} else {
			newY = windowHeight + windowYOffset - layerHeight;
		}
	}
	if (Math.abs(getOffsetTop(menuName) - newY) > thresholdY) {
		setTop(menuName, newY);
	}
}

function LMPopUpRoot(menuName, isCurrent) {
unhandle_shutdown();
	if (!loaded || menuName == layerPoppedUp || (isVisible(menuName) && !isCurrent)) {
		return;
	}
	if (menuName == father[layerPoppedUp]) {
		LMPopUpL(layerPoppedUp, false);
	} else if (father[menuName] == layerPoppedUp) {
		LMPopUpL(menuName, true);
	} else {
		shutdown();
		foobar = menuName;
		do {
            LMPopUpL(foobar, true);
			foobar = father[foobar];
		} while (foobar != "")
	}
	layerPoppedUp = menuName;

    setTimeout( 'handle_shutdown()', 100 );
}

function LMPopUp(menuName, isCurrent) {
	if (!loaded || menuName == layerPoppedUp || (isVisible(menuName) && !isCurrent)) {
		return;
	}
	if (menuName == father[layerPoppedUp]) {
		LMPopUpL(layerPoppedUp, false);
	} else if (father[menuName] == layerPoppedUp) {
		LMPopUpL(menuName, true);
	} else {
		shutdown();
		foobar = menuName;
		do {
			LMPopUpL(foobar, true);
			foobar = father[foobar];
		} while (foobar != "")
	}
	layerPoppedUp = menuName;
}

function LMPopUpL(menuName, on) {
	if (!loaded) {
		return;
	}
	if (!layersMoved) {
		moveLayers();
		layersMoved = 1;
	}
	setVisibility(menuName, on);
}

function resizeHandler() {
	if (NS4) {
		window.location.reload();
	}
	shutdown();
	for (i=1; i<=numl; i++) {
		setLeft(listl[i], 0);
		setTop(listl[i], 0);
	}
//	moveLayers();
	layersMoved = 0;
}
window.onresize = resizeHandler;

function yaresizeHandler() {
	if (window.innerWidth != origWidth || window.innerHeight != origHeight) {
		if (Konqueror2 || Opera5) {
			window.location.reload();	// Opera 5 often fails this
		}
		origWidth  = window.innerWidth;
		origHeight = window.innerHeight;
		resizeHandler();
	}
	setTimeout('yaresizeHandler()', 500);
}
function loadHandler() {
	if (Konqueror2 || Opera56) {
		origWidth  = window.innerWidth;
		origHeight = window.innerHeight;
		yaresizeHandler();
	}
}
window.onload = loadHandler;

function fixieflm(menuName) {
	if (DOM) {
		setWidth(menuName, "100%");
	} else {	// IE4 IS SIMPLY A BASTARD !!!
		document.write("</div>");
		document.write("<div id=\"IE4" + menuName + "\" style=\"position: relative; width: 100%; visibility: visible;\">");
	}
}

// PHP Layers Menu 2.3.5 (C) 2001-2003 Marco Pratesi (marco at telug dot it)

function setLMCookie(name, value) {
	document.cookie = name + "=" + value;
}

function getLMCookie(name) {
	foobar = document.cookie.split(name + "=");
	if (foobar.length < 2) {
		return null;
	}
	tempString = foobar[1];
	if (tempString.indexOf(";") == -1) {
		return tempString;
	}
	yafoobar = tempString.split(";");
	return yafoobar[0];
}

function parseExpandString() {
	expandString = getLMCookie("expand");
	expand = new Array();
	if (expandString) {
		expanded = expandString.split("|");
		for (i=0; i<expanded.length-1; i++) {
			expand[expanded[i]] = 1;
		}
	}
}

function parseCollapseString() {
	collapseString = getLMCookie("collapse");
	collapse = new Array();
	if (collapseString) {
		collapsed = collapseString.split("|");
		for (i=0; i<collapsed.length-1; i++) {
			collapse[collapsed[i]] = 1;
		}
	}
}

parseExpandString();
parseCollapseString();

function saveExpandString() {
	expandString = "";
	for (i=0; i<expand.length; i++) {
		if (expand[i] == 1) {
			expandString += i + "|";
		}
	}
	setLMCookie("expand", expandString);
}

function saveCollapseString() {
	collapseString = "";
	for (i=0; i<collapse.length; i++) {
		if (collapse[i] == 1) {
			collapseString += i + "|";
		}
	}
	setLMCookie("collapse", collapseString);
}