[globalVar = TSFE:id=1]
page.headerData.923 = TEXT 
page.headerData.923.value (
<link rel="stylesheet" href="typo3conf/ext/and_shadowbox/res/css/shadowbox.css" type="text/css" media="screen" />
<script src="typo3conf/ext/and_shadowbox/res/scripts/lib/yui-utilities.js" type="text/javascript"></script>
<script src="typo3conf/ext/and_shadowbox/res/scripts/adapter/shadowbox-yui.js" type="text/javascript"></script>
<script src="typo3conf/ext/and_shadowbox/res/scripts/shadowbox.js" type="text/javascript"></script>
<script type="text/javascript">

window.onload = function(){
    
    var options = {
        overlayOpacity:     0.8,
        autoplayMovies:     true,
        text:           {
                    cancel:     '',
                    loading:    '',   
                    close:      'Zur Webseite',
                    next:       '',
                    prev:       ''
                }
    };
    
    Shadowbox.init(options);

 
   // open a welcome message
    Shadowbox.open({
        title:      '',
        type:       'html',
        content:    '<a href="/aktion.html" target="_self"><img src="fileadmin/images/popup.jpg" width="798" height="614"  border="0" align="top" alt="" title="" /></a>',
        height:     614,
        width:      798
    });

};

</script>

)
[global]