function Fontzoom(Typ) {

    FontZoomService.GetNewFontSize(Typ, FontzoomCB);
}

function FontzoomCB(result) {

    var tag = document.getElementById(result.InhaltsClientID).getElementsByTagName('p');
    for (i = 0; i < tag.length; i++) {
        tag[i].style.fontSize = result.NeueGroesse + "px";
        tag[i].style.lineHeight = result.LineHeight + "px";
    }

    tag = document.getElementById(result.InhaltsClientID).getElementsByTagName('h1');
    for (i = 0; i < tag.length; i++) {
        tag[i].style.fontSize = result.NeueGroesseH1 + "px";
    }

    tag = document.getElementById(result.InhaltsClientID).getElementsByTagName('h2');
    for (i = 0; i < tag.length; i++) {
        tag[i].style.fontSize = result.NeueGroesseH2 + "px";
    }

    tag = document.getElementById(result.InhaltsClientID).getElementsByTagName('h3');
    for (i = 0; i < tag.length; i++) {
        tag[i].style.fontSize = result.NeueGroesseH3 + "px";
    }

    tag = document.getElementById(result.InhaltsClientID).getElementsByTagName('h4');
    for (i = 0; i < tag.length; i++) {
        tag[i].style.fontSize = result.NeueGroesseH4 + "px";
    }

    tag = document.getElementById(result.InhaltsClientID).getElementsByTagName('li');
    for (i = 0; i < tag.length; i++) {
        tag[i].style.fontSize = result.NeueGroesseLI + "px";
    }

    tag = document.getElementById(result.InhaltsClientID).getElementsByTagName('td');
    for (i = 0; i < tag.length; i++) {
        tag[i].style.fontSize = result.NeueGroesseLI + "px";
    }
}

/*Katalog*/
function ShowPano(ID) {

    var pnlWidth = 750;
    var pnlHeight = 700;
    document.getElementById("BGVorsch").style.display = "block";
    document.getElementById("pnlVorschau").style.display = "block";

    //BG vergroessern
    var SeitenGroesse = GetSeitenGroesse();
    document.getElementById("BGVorsch").style.height = SeitenGroesse[1] + "px";

    //Vorschau bei Tastendruck wieder schliesen
    InitKeypressForVorschauClose()

    //Panel fuer Vorschau Positionieren verschieben
    var pnlPos = CalculatePanelPos(pnlWidth, pnlHeight);


    document.getElementById("pnlVorschau").style.left = pnlPos[0] + "px";
    document.getElementById("pnlVorschau").style.top = pnlPos[1] + "px";

    document.getElementById("ctl01_ctlPanoOpen1_IframePano").src = "Panoramen.aspx?ID_Panorama=" + ID + "&PanoramaTyp=java";

}

//Berechnet die Position eines Panels anhand
//Breite und Hoehe und in Abhaengigkeit der Scrollposition
//Gibt ein Array mit X und Y zuruek
function CalculatePanelPos(pnlWidth, pnlHeight) {

    var vpWidth = document.documentElement.clientWidth;
    var pnlPosX = (vpWidth / 2) - (pnlWidth / 2);

    var scrollPosY = document.documentElement.scrollTop;
    var vpHeight = document.documentElement.clientHeight;
    var pnlPosY = scrollPosY + (vpHeight / 2) - (pnlHeight / 2);

    return new Array(pnlPosX, pnlPosY);
}




//Schliesst die Vorschau
function CloseVorschau() {
    document.getElementById("BGVorsch").style.display = "none";
    document.getElementById("pnlVorschau").style.display = "none";
}

//Schliesst die Vorschau bei drueken des ESC Key
function CloseVorschauByESCKey(e) {
    if (e == null) {
        keycode = event.keyCode;
        ESCKey = 27;
    } else {
        keycode = e.keyCode;
        ESCKey = e.DOM_VK_ESCAPE;
    }

    key = String.fromCharCode(keycode).toLowerCase();

    if (keycode == ESCKey) {

        //Vorschau Ausblenden
        CloseVorschau();
    }
}

//Greift den Tastendruck an
function InitKeypressForVorschauClose() {
    if (document.layers) document.captureEvents(Event.KEYDOWN);
    document.onkeydown = CloseVorschauByESCKey;
}

//Ermittelt die Seitengroesse inkl Scrollbar
function GetSeitenGroesse() {

    var xScroll, yScroll;

    try {
        if (window.innerHeight && window.scrollMaxY) {
            xScroll = document.body.scrollWidth;
            yScroll = window.innerHeight + window.scrollMaxY;
        } else if (document.body.scrollHeight > document.body.offsetHeight) { // all but Explorer Mac
            xScroll = document.body.scrollWidth;
            yScroll = document.body.scrollHeight;
        } else {
            xScroll = document.body.offsetWidth;
            yScroll = document.body.offsetHeight;
        }
    }
    catch (ex) {

    }

    var windowWidth, windowHeight;
    if (self.innerHeight) {
        windowWidth = self.innerWidth;
        windowHeight = self.innerHeight;
    } else if (document.documentElement && document.documentElement.clientHeight) {
        windowWidth = document.documentElement.clientWidth;
        windowHeight = document.documentElement.clientHeight;
    } else if (document.body) {
        windowWidth = document.body.clientWidth;
        windowHeight = document.body.clientHeight;
    }

    if (yScroll < windowHeight) {
        pageHeight = windowHeight;
    } else {
        pageHeight = yScroll;
    }
    if (xScroll < windowWidth) {
        pageWidth = windowWidth;
    } else {
        pageWidth = xScroll;
    }

    arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight)
    return arrayPageSize;
}