// Rollover und Preload

function newImage(arg) {
  if (document.images) {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function changeImages() {
  if (document.images && (preloadFlag == true)) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
    }
  }
}

var preloadFlag = false;
function preloadImages() {
  if (document.images) {
    navi_begin_over = newImage("images/global/navi-begin-over.gif");
    button_atem_und_stimme_over = newImage("images/global/button-atem-und-stimme-over.gif");
    button_profil_over = newImage("images/global/button-profil-over.gif");
    button_ihr_nutzen_over = newImage("images/global/button-ihr-nutzen-over.gif");
    button_seminare_over = newImage("images/global/button-seminare-over.gif");
    button_kontakt_over = newImage("images/global/button-kontakt-over.gif");
    navi_end_over = newImage("images/global/navi-end-over.gif");
    preloadFlag = true;
  }
}