// PHP Layers Menu 3.1.5 (C) 2001-2004 Marco Pratesi - http://www.marcopratesi.it/



useTimeouts = 1;

timeoutLength = 1000;	// time in ms; not significant if useTimeouts = 0;

shutdownOnClick = 0;



loaded = 0;

layersMoved = 0;

layerPoppedUp = '';



timeoutFlag = 0;

if (Opera56 || IE4) {

	useTimeouts = 0;

}

if (NS4 || Opera56 || IE4) {

	shutdownOnClick = 1;

}



currentY = 0;

function grabMouse(e)	// for NS4

{

	currentY = e.pageY;

}

if (NS4) {

	document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE);

	document.onmousemove = grabMouse;

}



function seeThroughElements(show)

{

	if (show) {

		foobar = 'visible';

	} else {

		foobar = 'hidden';

	}

	for (i=0; i<toBeHidden.length; i++) {

		toBeHidden[i].style.visibility = foobar;

	}

}



function shutdown()

{

	for (i=0; i<numl; i++) {

		LMPopUpL(listl[i], false);

	}

	layerPoppedUp = '';

	if (Konqueror || IE5) {

		seeThroughElements(true);

	}

}

if (shutdownOnClick) {

	if (NS4) {

		document.onmousedown = shutdown;

	} else {

		document.onclick = shutdown;

	}

}



function setLMTO()

{

	if (useTimeouts) {

		timeoutFlag = setTimeout('shutdown()', timeoutLength);

	}

}



function clearLMTO()

{

	if (useTimeouts) {

		clearTimeout(timeoutFlag);

	}

}



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);	// workaround needed for Mozilla < 1.4 for MS Windows

}



function moveLayerY(menuName)

{

	if (!loaded || (isVisible(menuName) && menuName != layerPoppedUp)) {

		return;

	}

	if (!layersMoved) {

		moveLayers();

		layersMoved = 1;

	}

	if (!NS4) {

		newY = getOffsetTop('ref' + menuName);

	} else {

		newY = currentY;

	}

	newY += menuTopShift;

	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 moveLayerX1(menuName, father)

{

	if (!lwidthDetected) {

		return;

	}

	if (!Opera5 && !IE4) {

		width1 = lwidth[menuName];

	} else if (Opera5) {

		// Opera 5 stupidly and exaggeratedly overestimates layers widths

		// hence we consider a default value equal to $abscissaStep

		width1 = abscissaStep;

	}

	foobar = getOffsetLeft(father + menuName);

if (!IE4) {

	windowWidth = getWindowWidth();

	windowXOffset = getWindowXOffset();

	if (foobar + width1 > windowWidth + windowXOffset) {

		foobar = windowWidth + windowXOffset - width1;

	}

	if (foobar < windowXOffset) {

		foobar = windowXOffset;

	}

}

	setLeft(menuName, foobar);

}



function layersOverlap(layer, i)

{

	if (Konqueror22) {

		return true;

	}



//	xa1 = getOffsetLeft(layer);

//setLeft(layer, xa1);

	xa1 = layerLeft[layer];

	xa2 = xa1 + getOffsetWidth(layer);

//setWidth(layer, xa2-xa1);

//	ya1 = getOffsetTop(layer);

//setTop(layer, ya1);

	ya1 = layerTop[layer];

	ya2 = ya1 + getOffsetHeight(layer);

//setHeight(layer, ya2-ya1);

//alert(':' + xa1 + ':' + xa2 + ':' + ya1 + ':' + ya2 + ':');



	xb1 = toBeHiddenLeft[i];

	xb2 = xb1 + toBeHidden[i].offsetWidth;

	yb1 = toBeHiddenTop[i];

	yb2 = yb1 + toBeHidden[i].offsetHeight;

//alert(':' + xb1 + ':' + xb2 + ':' + yb1 + ':' + yb2 + ':');



	if(xb1>xa1) xa1=xb1; if(xb2<xa2) xa2=xb2;

	if(yb1>ya1) ya1=yb1; if(yb2<ya2) ya2=yb2;



	return (xa2>xa1 && ya2>ya1);

}



function seeThroughWorkaround(menuName, on)

{

	for (i=0; i<toBeHidden.length; i++) {

		if (layersOverlap(menuName, i)) {

			if (on) {

				toBeHidden[i].style.visibility = 'hidden';

			} else {

				toBeHidden[i].style.visibility = 'visible';

			}

		}

	}

}



function LMPopUpL(menuName, on)

{

	if (!loaded) {

		return;

	}

	if (!layersMoved) {

		moveLayers();

		layersMoved = 1;

	}

	setVisibility(menuName, on);

}



function LMPopUp(menuName, isCurrent)

{

	if (!loaded || menuName == layerPoppedUp || (isVisible(menuName) && !isCurrent)) {

		return;

	}

	if (menuName == father[layerPoppedUp]) {

		LMPopUpL(layerPoppedUp, false);

//		seeThroughWorkaround(menuName, false);

	} else if (father[menuName] == layerPoppedUp) {

		LMPopUpL(menuName, true);

		seeThroughWorkaround(menuName, true);

	} else {

		shutdown();

		foobar = menuName;

		do {

			LMPopUpL(foobar, true);

			seeThroughWorkaround(foobar, true);

			foobar = father[foobar];

		} while (foobar != '')

	}

/*

	if (layerPoppedUp == '') {

		seeThroughElements(false);

	}

*/

	layerPoppedUp = menuName;

}



function resizeHandler()

{

	if (NS4) {

		window.location.reload();

	}

	shutdown();

	for (i=0; i<numl; i++) {

		setLeft(listl[i], 0);

		setTop(listl[i], 0);

	}

	if (toBeHidden != null && toBeHidden.length > 0) {

		seeThroughCoordinatesDetection();

	}

//	moveLayers();

	layersMoved = 0;

}

window.onresize = resizeHandler;



function yaresizeHandler()

{

	if (window.innerWidth != origWidth || window.innerHeight != origHeight) {

		if (Konqueror22 || Opera5) {

			window.location.reload();	// Opera 5 often fails this

		}

		origWidth  = window.innerWidth;

		origHeight = window.innerHeight;

		resizeHandler();

	}

	setTimeout('yaresizeHandler()', 500);

}

function loadHandler()

{

	if (Konqueror22 || 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;">');

	}

}