function intro () {
//  new Effect.Move($('wagen'), { x: -1300, y: 150,duration:6 });
//  setTimeout("showWagen()", 100);
//  setTimeout("new Effect.Appear($('telno'), { duration: 1.0 })", 6000);
}

function showWagen () {
  $('wagen').style.visibility='visible';
}

var lastHighlight;
function highlight (id) {
  if(lastHighlight) {
    nofocus (lastHighlight)
  }

  new Effect.Opacity($(id), { from: 0.5, to: 1.0, duration: 0.5 });
  lastHighlight = id;
}

function nofocus (id) {
  new Effect.Opacity($(id), { from: 1.0, to: 0.5, duration: 0.5 });
}

function showPage (url) {
  new Ajax.Updater($('main'), url)
}

function nofocusAll () {
lastHighlight = 'bier';
nofocus('kurze');
nofocus('shooter');
nofocus('spirituosen');
nofocus('softdrinks');
nofocus('snacks');
nofocus('sonst');
}