$(document).ready(function() {
  
    $(function() {
        $("#simDate").datepicker({ dateFormat: 'dd.mm.yy', minDate: +1 });//, showOn: 'button', buttonImage: '/images/buttons/calendar.gif', buttonImageOnly: true
    });

});

function checkForm(aFields) {
    var formValid = true;

    for (var i = 0; i < aFields.length; ++i) {
        if ($(aFields[i]).val() == '' || $(aFields[i]).val() == 0) {
            $(aFields[i]).addClass('error-bg');
            formValid = false;
        }
        else {
            $(aFields[i]).removeClass('error-bg');
        }
    }

    if (!formValid) {
        $('#complete-all-fields').addClass('error');
    }
    else {
        $('#complete-all-fields').removeClass('error');
    }

    return formValid;
}