function GetVoucherWidget(city) 
{
    var xmlhttp = null;
    // Mozilla
    if (window.XMLHttpRequest) {
        xmlhttp = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
  
    
    xmlhttp.open("GET", 'http://www.liveshopping-anbieter.de/wp-content/themes/DeepBlue/voucher_widget.php?city=' + city, true);

    xmlhttp.onreadystatechange = function() {
        if (xmlhttp.readyState != 4) {
            document.getElementById('myCreative').innerHTML = "<div style='width:100%;height:20px;text-align:center;' ><img src='http://images.schnappilette.de/ajax-loader.gif' /></div>";
        }
        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
            document.getElementById('myCreative').innerHTML = xmlhttp.responseText;
        }
    };
    xmlhttp.send(null);
    
     return false;
}