var quickre = /arrival=([\d\.]+)&departure=([\d\.]+)/;
if (window.location.hash.match(quickre)) {
    $(document).ready(function() {
        var match = window.location.hash.match(quickre);
        // var arrival = match[1];
        // var departure = match[2];
        var lang = window.location.href.match(/L=(\d+)/)
        if (lang) {
            lang = lang[1] == '0' ? 'de' : 'en';
        }
        lang = lang || 'de';
        
        var iframe = $('#anfrageForm');
        iframe.attr('src', iframe.attr('src') + window.location.hash.replace('#', '?')+'&lang='+lang);
    });
};