/*
* HTML classes with popup functionality
*
* After the class name you can add some popup window options like window height
* or width. The option list must be comma seperated.
*/
var popupElements = new Array
(
    'EXTERNAL',
    'teaser-adventskalender,width=620,height=530',
    'luzie,width=500,height=340'
);
/*
* FOR INTERNET EXPLORER
* HTML id's containing hover elements
*
* After the id you can indicate the HTML tag containing the elements which
* visibility is switching. If there is no tag given, the li element is the
* default value.
*/
var iehoverElements = new Array
(
);

var printElements = new Array
(
);

var favoritesElements = new Array
(
);


window.onload = init;

function init
(
    // no attributes
)
{
    var Links = document.getElementsByTagName ( 'a' );
    Popups = getWindowAttribute ( popupElements );

    doPopups ( Popups, Links );
    doPrint ( printElements, Links );
    doFavorites ( favoritesElements, Links );
}


/* FUNCTIONS */

/*
* Entfernt alle Leerstellen aus einem Array
*/
function aTrimArray
(
    Elements
)
{
    if ( Elements.length < 0 ) return false;

    var ElementsReturn = new Array ();

    for
    (
        var i = 0;
        i < Elements.length;
        i++
    )
    {
        ElementsReturn[ i ] = Elements[ i ].replace ( new RegExp ( '/\s/' ), '' );
    }

    return ElementsReturn;
}

function printPage
(
    // no attributes
)
{
	window.print ();
	return false;
}

function hasComma
(
    mString
)
{
    if ( mString.length < 1 ) return false;

    var Return = mString.indexOf ( ',' );

    if ( Return > -1 ) return true;
    return false;
}

function getWindowAttribute
(
    Elements
)
{
    if ( Elements.length < 1 ) return false;

    var WindowNames = new Array ();
    var WindowAttributes = new Array ();

    for
    (
        var i = 0;
        i < Elements.length;
        i++
    )
    {
            WindowAttributes[ i ] = aTrimArray ( Elements[ i ].split ( "," ) );
            WindowNames[ i ] = WindowAttributes[ i ].shift ();
    }

    var Return = new Array ( WindowNames, WindowAttributes );

    return Return;
}

function arrayWalker
(
    mArray,
    mFunction,
    mAttribute
)
{
    if ( mArray.length < 1 ) return false;
    if ( mFunction.charAt ( 0 ) == '.' )
    {
        var Method = mFunction;
    }

    var Return = new Array ();

    for
    (
        var i = 0;
        i < mArray.length;
        i++
    )
    {
        if ( Method )
        {
             Return[ i ] = eval ( 'mArray[ i ]' + Method + ' ( ' + mAttribute + ' )' );
        }
        else
        {
             Return[ i ] = eval ( mFunction + ' ( mArray[ i ] )' );
        }
    }

    return Return;
}

function doPrint
(
    Prints,
    Links
)
{
    if ( !document.getElementsByTagName ) return false;
    if ( Prints.length < 1 ) return false;

    for
    (
        var i = 0;
        i < Links.length;
        i++
    )
    {
        if ( checkClasses ( Prints, Links[ i ].className ) )
        {
            Links[ i ].onclick = function ()
            {
                window.print ();
            	return false;
            }
        }
    }
}

function doFavorites
(
    Favorites,
    Links
)
{
    if ( !window.attachEvent ) return false;
    if ( !document.getElementsByTagName ) return false;
    if ( Favorites.length < 1 ) return false;

    for
    (
        var i = 0;
        i < Links.length;
        i++
    )
    {
        if ( checkClasses ( Favorites, Links[ i ].className ) )
        {
            Links[ i ].onclick = function ()
            {
                window.external.AddFavorite ( this.href, document.title );
                return false;
            }
        }
    }
}

function doPopups
(
    // Array containing HTML classes with popup functionality
    Popups,
    Links
)
{
    if ( !document.getElementsByTagName ) return false;
    if ( Popups.length < 1 ) return false;

    for
    (
        var i = 0;
        i < Links.length;
        i++
    )
    {
        if ( checkClasses ( Popups[ 0 ], Links[ i ].className ) )
        {
            Links[ i ].onclick = function ()
            {
                var PopupName = checkClasses ( Popups[ 0 ], this.className );
                var PopupId = inArray ( PopupName, Popups[ 0 ] );

                buildPopup ( this.href, PopupName, Popups[ 1 ][ PopupId ] );

                return false;
            };
        }
    }
}

function buildPopup
(
    WindowLocation,
    WindowName,
    WindowAttributes
)
{
    WindowName = WindowName.replace ( /-/, "_" );
    window.open ( WindowLocation, 'DAAD' + WindowName , WindowAttributes.join ( ',' ) );
}

function checkClasses
(
    Needles,
    Haystack
)
{
    for
    (
        var i = 0;
        i < Needles.length;
        i++
    )
    {
        if ( Haystack.indexOf ( Needles[ i ] ) > -1 )
        {
            return Needles[ i ];
        }
    }

    return false;
}

function inArray
(
    SearchTerm,
    Array
)
{
    if ( SearchTerm.length < 1 ) return false;
    if ( Array.length < 1 ) return false;

    for
    (
        var i = 0;
        i < Array.length;
        i++
    )
    {
        if ( Array[ i ] == SearchTerm )
        {
            return i;
        }
    }

    return false;
}


function openPopup (strSeite, intBreite, intHoehe, strName, strScrollbars) {
    var intScreenWidth = screen.width;
    var intScreenHeight = screen.height;
    var intPosX = (intScreenWidth / 2) - (intBreite / 2);
    var intPosY = (intScreenHeight / 2) - (intHoehe / 2);
    // In der open()-Funktion dürfen keine Leerstellen verwendet
    // werden, da sonst bei einigen Browsern eine korrekte
    // Darstellung verhindert wird.
    winPopup = window.open(strSeite,strName,'width='+ intBreite +',height='+ intHoehe +',left='+ intPosX +',screenX='+ intPosX +',top='+ intPosY +',screenY='+ intPosY +',menubar=no,scrollbars='+ strScrollbars +',resizable=no,location=no,status=no,directories=no,dependent');
    winPopup.focus();
}