//preload
img_path = 'fileadmin/images/menu/';
var img1 = new Image();
img1.src = img_path + 'bt_aktuell_h.gif';
var img2 = new Image();
img2.src = img_path + 'bt_fachberatung_h.gif';
var img3 = new Image();
img3.src = img_path + 'bt_fachtagung_h.gif';
var img4 = new Image();
img4.src = img_path + 'bt_peg_h.gif';
var img5 = new Image();
img5.src = img_path + 'bt_peg_mitlgiedschaft_h.gif';
var img6 = new Image();
img6.src = img_path + 'bt_seminareveranstaltungen_h.gif';

function rollover (img_name,file) {	
	if (document.images) {
		document.images[img_name].src = img_path + file;
	}
}