// PHP Layers Menu 3.2.0-rc (C) 2001-2004 Marco Pratesi - http://www.marcopratesi.it/

useTimeouts = 1;
timeoutLength = 300;    // 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) {
        //alert('hugo1');
        seeThroughElements(true);
        //alert('hugo2');
    }
}
if (shutdownOnClick) {
    if (NS4) {
        document.onmousedown = shutdown;
    } else {
        document.onclick = shutdown;
    }
}

function setLMTO()
{
    
    if (useTimeouts) {
        
        //document.getElementById('L2').style.cursor = "text";
        timeoutFlag = setTimeout('shutdown()', timeoutLength);
    }
}

//Eingefügt am 23.11.05 von Erdem


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;">');
    }
}

function loadLeftFrame(mysite,mytarget,mykey,sesskey,id) {
    addon=( mysite=="steuer.php" )?"&knoten="+id:"";
    if (self.parent) {
        if (sesskey) parent.frames[mytarget].location.href = mysite+"?point_counter="+mykey+"&sesskey="+sesskey+addon;
        else parent.frames[mytarget].location.href = mysite+"?point_counter="+mykey+addon;
    }
    else {
        if (sesskey) self.frames[mytarget].location.href = mysite+"?point_counter="+mykey+"&sesskey="+sesskey+addon;
        else self.frames[mytarget].location.href = mysite+"?point_counter="+mykey+addon;
    }
}

function loadDokumentAndMenu2(mysite,mytarget,mykey,sesskey,node) {
    if (self.parent) {
        if (sesskey) parent.document.location.href = mysite+"?point_counter="+mykey+"&sesskey="+sesskey+"&knoten="+node;
        else parent.document.location.href = mysite+"?point_counter="+mykey+"&knoten="+node;
    }
    else {
        if (sesskey) self.document.location.href = mysite+"?point_counter="+mykey+"&sesskey="+sesskey+"&knoten="+node;
        else self.document.location.href = mysite+"?point_counter="+mykey+"&knoten="+node;
    }
}

function fillLayers(mysite,mytarget,paramlist) {
    thewindow=(self.parent)?parent:self;
    if ( mysite=="leftmenu.php" ) {
        thewindow.document.location.href = mysite+"?"+paramlist
    }
    else if ( mysite=="steuer.php" ) {
        thewindow.document.location.href = mysite+"?"+paramlist
    }
    else {
        ;
    }
}