var zeigs = "nope";
  var xfer = unescape(self.location.search);
  xfer = xfer.substring(1,xfer.length);

  function toggo(dv)
  {


    if (zeigs != "nope") {
    	if (zeigs.substring(0,2) == "is") {
    		if (zeigs.length == 5 && dv.length == 4){
    				self.document.getElementById(zeigs).style.display='none';
    				self.document.getElementById(zeigs.substring(0,4)).style.display='none';
    		} else if (zeigs.length == 4 && dv.length == 4) {
    			self.document.getElementById(zeigs).style.display='none';
    		} else if (zeigs.length != 4 && dv.length != 5) {
    			self.document.getElementById(zeigs).style.display='none';
    		} else if (zeigs.length == 5 && dv.length == 5) {
    			self.document.getElementById(zeigs).style.display='none';
    		}
    	} else {
    	 	 self.document.getElementById(zeigs).style.display='none';
    	}
    }

    zeigs = dv;
    self.document.getElementById(zeigs).style.display='block';
  }

  function tock()
  {
    self.document.getElementById('is01').style.display='block';
    self.document.getElementById('is011').style.display='block';
    self.document.getElementById('is012').style.display='block';
    self.document.getElementById('is013').style.display='block';
    self.document.getElementById('is014').style.display='block';
    self.document.getElementById('is015').style.display='block';
    self.document.getElementById('is015').style.display='block';
    self.document.getElementById('is017').style.display='block';

    self.document.getElementById('is02').style.display='block';
    self.document.getElementById('is021').style.display='block';
    self.document.getElementById('is022').style.display='block';
    self.document.getElementById('is023').style.display='block';
    self.document.getElementById('is024').style.display='block';

    self.document.getElementById('is03').style.display='block';
    self.document.getElementById('is031').style.display='block';

    self.document.getElementById('is04').style.display='block';
    self.document.getElementById('is041').style.display='block';
    self.document.getElementById('is042').style.display='block';

//    self.document.getElementById('is05').style.display='block';

    self.document.getElementById('is06').style.display='block';
    self.document.getElementById('is061').style.display='block';
    self.document.getElementById('is062').style.display='block';

    self.document.getElementById('is07').style.display='block';
    self.document.getElementById('is071').style.display='block';

    self.document.getElementById('is08').style.display='block';
    self.document.getElementById('is081').style.display='block';
    self.document.getElementById('is082').style.display='block';
    self.document.getElementById('is083').style.display='block';

    self.document.getElementById('is09').style.display='block';
    self.document.getElementById('is091').style.display='block';

    self.document.getElementById('is10').style.display='block';
    self.document.getElementById('is101').style.display='block';
    self.document.getElementById('is102').style.display='block';
    self.document.getElementById('is103').style.display='block';
    self.document.getElementById('is104').style.display='block';

//    self.document.getElementById('is11').style.display='block';

    self.document.getElementById('is12').style.display='block';
    self.document.getElementById('is121').style.display='block';
    self.document.getElementById('is122').style.display='block';
    self.document.getElementById('is123').style.display='block';

    self.document.getElementById('is13').style.display='block';
    self.document.getElementById('is131').style.display='block';
    self.document.getElementById('is132').style.display='block';

//    self.document.getElementById('is14').style.display='block';

    self.document.getElementById('is15').style.display='block';
    self.document.getElementById('is151').style.display='block';

    self.document.getElementById('is16').style.display='block';
    self.document.getElementById('is161').style.display='block';
    self.document.getElementById('is162').style.display='block';
    self.document.getElementById('is163').style.display='block';
    self.document.getElementById('is164').style.display='block';
    self.document.getElementById('is165').style.display='block';

    self.document.getElementById('yo0').style.display='none';
    self.document.getElementById('yo1').style.display='block';
  }