function showPopup(url,name,width,height,scrollbars,size,move,focus) {
   if (size){
    theWin = window.open(url,name,"width="+width+",height="+height+",locationbar=0,scrollbars="+scrollbars+",resizeable=0,menubar=0,statusbar=0,toolbar=0");
   } else {theWin = window.open(url,name);}

   if (move) theWin.moveTo(screen.width300,50);
   if (focus) theWin.focus();
  }

  function help() {showPopup("hilfe.php","Hilfe",560,450,0,1,1,0);}
  function help_tarif() {showPopup("hilfe-tarif.php","Hilfe",350,330,0,1,1,0);}
  function help_tarif_form() {showPopup("hilfe-tarif-form.php","Hilfe",350,350,0,1,1,1);}
  function show_preise() {showPopup("http://localhost/tarifvertrag/preise.php","Preise",350,250,0,1,1,1);}
  function show_agb() {showPopup("agb.php","AGB's",750,800,0,1,1,1);}
  function show_hilfe_vorschau() {showPopup("hilfe_vorschau.php","Vorschau",550,320,0,1,1,1);}
  function showDatenschutz() {showPopup("datenschutz.php","Datenschutz",560,400,0,1,1,1);}
  function schliessen(){document.getElementById("jspopup").style.visibility='hidden';}
  function oeffnen(){document.getElementById("jspopup").style.visibility='visible';}