if (navigator.appName.indexOf("Explorer") != -1) {
                    var iframe = document.createElement('iframe');
                    iframe.setAttribute('frameborder', 0);
                    iframe.setAttribute("frameBorder", "0");
                    iframe.setAttribute("marginWidth", "0");
                    iframe.setAttribute("marginHeight", "0");
                    iframe.setAttribute("leftMargin", "0");
                    iframe.setAttribute("topMargin", "0");
                    iframe.setAttribute('border', 0);
                    iframe.setAttribute('vspace','0');
                    iframe.setAttribute('hspace','0'); 
                    iframe.setAttribute('bordercolor', 'white');
                    iframe.setAttribute('scrolling', 'no');
                    iframe.setAttribute('height', 2200);
                    iframe.setAttribute('width', 760);
                    iframe.style.padding = '0px';
                    iframe.style.margin = '0px';
                    iframe.style.border = '0px solid white';
                    iframe.src = '/form.php?map=duesseldorf&lang=de';
                    document.getElementById('vf').appendChild(iframe);
                }
                else {
                    var iframe = document.createElement('object');
                    iframe.setAttribute('type', 'text/html');
                    iframe.style.width = '760px';
                    iframe.style.height = '2200px';
                    iframe.setAttribute('data', '/form.php?map=duesseldorf&lang=de');
                    document.getElementById('vf').appendChild(iframe);
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