if (document.images) {
   chbox = new Array(1);
   chbox[0] = new Image(); chbox[0].src = "images/checkbox_0.gif";
	chbox[1] = new Image(); chbox[1].src = "images/checkbox_1.gif";
   hubox = new Array(1);
   hubox[0] = new Image(); hubox[0].src = "images/hurra_0.gif";
	hubox[1] = new Image(); hubox[1].src = "images/hurra_1.gif";
   huani = new Array(1);
   huani[0] = new Image(); huani[0].src = "images/animation_0.gif";
	huani[1] = new Image(); huani[1].src = "images/animation_1.gif";

   /* Blind Bild fuer planB Banner */
   hubanner = new Image(); hubanner.src = "images/spc.gif";
}

var mycheckbox_wert = 0;

function check() {
   mycheckbox_wert = mycheckbox_wert + 1;
   if (mycheckbox_wert > 1) {
      mycheckbox_wert = 0;
   }
   document.images['mycheckbox'].src = chbox[mycheckbox_wert].src; 

   if (mycheckbox_wert == 0) {
      document.formular.broschuere.value = 'Nein';
   } else {
      document.formular.broschuere.value = 'Ja';
   }
   //alert(document.formular.broschuere.value);
}

function leeren(obj) {
   obj.value = '';
}

function fuellen(obj,s) {
   if (obj.value == '') {
      obj.value = s;
   }
}

function huaction (s){
   document.images['hrr'].src = hubox[s].src;
   document.images['hrrani'].src = huani[s].src;
   
   /* planB Banner ausblenden, wenn Ueberraschung gefunden  */
   document.images['planbbanner'].src = hubanner.src;
}