function microsite() {
  	topPos = (screen.height/2)-(640/2);
	leftPos = (screen.width/2)-(448/2);
	settings = 
'width=590,height=450,top='+topPos+',left='+leftPos+',location=no,directories=no,menubar=no,toolbar=no,status=yes,scrollbars=no,resizable=no,dependent=no';
	win = window.open('http://www.danke.de/_microsite/','', settings);
	win.focus();
}