suband = "";
timerRunning = false;
function bild_ons(aa) { if (timerRunning) 
clearTimeout(lastTimer); pic = document[aa];picsrc = "../images/topnav07/" + pic.name + "2.gif"; pic.src = picsrc; lastTimer = setTimeout("bild_offs('" + pic.name + "');", 2000); timerRunning = true;}
function bild_offs(aa) {pic = document[aa]; if (aa == suband) { picsrc = "../images/topnav07/" + pic.name + "2.gif"; } else { picsrc = "../images/topnav07/" + pic.name + "1.gif"; } pic.src = picsrc;}
function bild_pushs(aa) {  if (suband != "") {pic = document[suband];picsrc = "../images/topnav07/" + pic.name + "1.gif"; pic.src = picsrc; }  pic = document[aa];picsrc = "../images/topnav07/" + pic.name + "2.gif"; pic.src = picsrc; suband = aa; parent.frames[1].focus();}