function witkapt() {
       winStats='toolbar=no,location=no,directories=no,menubar=no,'
       winStats+='scrollbars=no'
       if (navigator.appName.indexOf("Microsoft")>=0) {
          winStats+=',left=150,top=200,width=350,height=392'
        }else{
          winStats+=',screenX=150,screenY=200,width=350,height=375'
        }
       adWindow=window.open("witkapt.html","",winStats)     
       adWindow.focus()
    }