function openpayment(breite,hoehe,url,name){
  
  //optionen="width="+breite+",height="+hoehe+",maximize=1,resizable=1,scrollbars=1,status=1,menubar=1,toolbar=0";
  
  optionen="width="+screen.width*.8+",height="+screen.height*.7+",maximize=1,resizable=1,scrollbars=1,status=1,menubar=1,toolbar=0";
  
  fenster=window.open(url,name,optionen);
  //fenster.moveTo(screen.width/2-(breite/2)-20,screen.height/3-(hoehe/2)-20);
  
  //fenster.moveTo(screen.width/2-(screen.width*.8/2),screen.height/2-(screen.height*.8/2));
  //fenster.resizeTo(screen.width*.8,screen.height*.8);
  fenster.focus();
 }
 
 function openlogin(breite,hoehe,url,name){
  //optionen="width="+breite+",height="+hoehe+",maximize=1,resizable=1,scrollbars=1,status=1,menubar=1,toolbar=0";
  
  optionen="width="+screen.width*.8+",height="+screen.height*.7+",maximize=1,resizable=1,scrollbars=1,status=1,menubar=1,toolbar=0";
  
  fenster=window.open(url,name,optionen);
  //fenster.moveTo(screen.width/2-(breite/2)+20,screen.height/2-(hoehe/2)+20);
  
  //fenster.moveTo(screen.width/2-(screen.width*.8/2),screen.height/2-(screen.height*.8/2));
  //fenster.resizeTo(screen.width*.8,screen.height*.8);
  fenster.focus();
 }