$(document).ready(function() {
    $("#a_all").click(function() {
        var checked_status = this.checked;
        $("input[@name=checktaxateur]").each(function(){
            this.checked = checked_status;
        });
    });
    $("#u_all").click(function() {
        var checked_status = this.checked;
        $("input[@name=checktaxateurUitgesloten]").each(function(){
            this.checked = checked_status;
        });
    });
    $('#datepicker').datepicker({
        dateFormat: "yy-mm-dd",
        buttonImageOnly: true,
        inline: true
    });
    $('#datepicker2').datepicker({
        dateFormat: "yy-mm-dd",
        buttonImageOnly: true,
        inline: true
    });
    $("#thechoices").change(function(){
        $("#" + this.value).show().siblings().hide();
        $('#contractcode').val($('#thechoices :selected').text());
    });
    $("#thechoices").change();
});