/*
* 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'
);

var Links = document.getElementsByTagName ( 'a' );
    
window.onload = init;

function init
(
    // no attributes
)
{
    Popups = getWindowAttribute ( popupElements );
    
    doPopups ( Popups, Links );
}

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 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 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;
}