function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

MM_preloadImages("img/menu/01_home_act.png","img/menu/03_anfahrt_act.png","img/menu/04_lage_act.png","img/menu/05_raume_act.png");
MM_preloadImages("img/menu/07_dieter_act.png","img/menu/08_erwin_act.png","img/menu/11_b_act.png","img/menu/12_be_act.png");
MM_preloadImages("img/menu/14_a_besch_act.png","img/menu/15_a_direkt_act.png","img/menu/16_a1_act.png","img/menu/17_m_act.png");
MM_preloadImages("img/menu/18_mofa_act.png","img/menu/19_lehrmethoden_act.png","img/menu/20_ziel_act.png","img/menu/21_newsl_act.png");
MM_preloadImages("img/menu/22_download_act.png","img/menu/23_links_act.png","img/menu/24_kontakt_act.png","img/menu/25_impressum_act.png");
MM_preloadImages("img/menu/03_anfahrt_k_act.png","img/menu/04_lage_k_act.png","img/menu/05_raume_k_act.png","img/menu/28_otto.png","img/menu/28_otto_act.png");