$(document).ready(function(){
    
    // box at index page to display / none display different content
    if($('#catering-anlaesse-box').length > 0){
        $('.catering-anlaesse-head-link').live('click', function(){
            var what = $(this).attr('id').split('-')[3];
            $('.catering-anlaesse').addClass('hidden');
            $('#catering-anlaesse-'+what).removeClass('hidden');
        });
    }
    
});