function oeffneVersand()
 {
  var width = screen.width / 2 - 100;
  var height = screen.height / 2 - 100;
   	Versand = window.open('../versandbedingungen2.html','Versandkosten',"scrollbars=yes,resizable=yes,width=520,height=400,left=320,top=100");
 }
 
 function oeffneVerf()
 {
  var width = screen.width / 2 - 100;
  var height = screen.height / 2 - 100;
  verf = window.open('../verfuegbarkeit.html','Verfügbarkeit','height=200,width=400,left='+width+',top='+height+',menubar=no,statusbar=no,resizable=no,toolbar=no,scrollbars=no');
}