var erg_offen = '';
var erg_action = '0';

  function erg_popup(box,box2){

  if(erg_offen != box) {
   if(erg_action == '0') {
    if(erg_offen != '') {Effect.BlindUp(erg_offen)}
    erg_offen = box;
    erg_action = '1';
    Effect.BlindDown(box);
    setTimeout('erg_popup_back()',1100);
    $(box2).innerHTML='<center>[Text ausblenden]</center>';
   }
  } else {
   if(erg_action == '0') {
    erg_action = '1';
    Effect.BlindUp(box);
    setTimeout('erg_popup_back()',1100);
    erg_offen = '';
    $(box2).innerHTML='<center>[Text einblenden]</center>';
   }
  }
  }

  function erg_popup_back(){
   erg_action = '0';

  }