var name = "tratter_";
    var startPanorama = 3697;


    scaleFactor = 1;
	/*self.resizeTo(screen.availWidth/scaleFactor, screen.availHeight/scaleFactor);
    self.moveTo((screen.availWidth - screen.availWidth/scaleFactor)/2, (screen.availHeight - screen.availHeight/scaleFactor)/2);
*/
    var vrHeight = 650;
    var vrWidth = 950;

    var vrLeft = ((screen.availWidth - vrWidth)/2);
    var vrTop = ((screen.availHeight - vrHeight)/2);

    function startVR(name, startPanorama, vrHeight, vrWidth, vrTop, vrLeft)
    {
        window.open('http://www.tratterhof.com/360/html/de/' + name + startPanorama + '.html', '360_degree_vrtour', 'width=' + vrWidth + ',height=' + vrHeight + ',top=' + vrTop + ',left=' + vrLeft + ',menubar=no,resizable=no, scrollbars=no, toolbar=no');
    }