$(document).ready(function() {
    $('.has-datepicker').datepicker({dateFormat: 'dd.mm.yy'});

    $('.captcha_refresh').click(function(e) {
        e.preventDefault();
        var $form = $(this).parents('form');
        var url = location.protocol + "//" + window.location.hostname + ":"
                  + location.port + "/captcha/refresh/";

        $.getJSON(url, {}, function(json) {
            $form.find('input[name="captcha_1"]').val('');
            $form.find('input[name="captcha_0"]').val(json.key);
            $form.find('img.captcha').attr('src', json.image_url);
        });
    });
});

function fetch_data(url, async) {
    // makes ajax call (synced by default)
    var result = null;
    $.ajax({
        'async': async || false,
        'global': false,
        'cache': false,
        'url': url,
        'dataType': "json",
        'timeout': 30000,
        'success': function (data) {
            result = data;
        }
    });
    return result;
}

function getUrlVars() {
    var vars = [], hash;
    var href = window.location.href;
    var hashes = href.slice(href.indexOf('?') + 1).split('&');
    for (var i=0; i<hashes.length; i++) {
        hash = hashes[i].split('=');
        vars.push(hash[0]);
        vars[hash[0]] = hash[1];
    }
    return vars;
}