var docLayers = (document.layers) ? true:false;
var docId = (document.getElementById) ? true:false;
var docAll = (document.all) ? true:false;
var docbitK = (docLayers) ? "document.layers['":(docId) ? "document.getElementById('":(docAll) ? "document.all['":"document."
var docbitendK = (docLayers) ? "']":(docId) ? "')":(docAll) ? "']":""
var stylebitK = (docLayers) ? "":".style"

function initfragen(anz) {

  for (i=1; i<=anz; i++)
    eval("Fr" + i + " = " + docbitK + "TFr" + i + docbitendK + stylebitK);
  initfly();
}

function Answer(item) {
   item.visibility = "visible";
}