btn10 = new Image();
btn10.src = "/graphics/btn/10art_h.gif";

btn11 = new Image();
btn11.src = "/graphics/btn/11wer_wir_sind_h.gif";

btn12 = new Image();
btn12.src = "/graphics/btn/12was_wir_glauben_h.gif";

btn13 = new Image();
btn13.src = "/graphics/btn/13was_wir_bauen_h.gif";

btn20 = new Image();
btn20.src = "/graphics/btn/20architektur_h.gif";

btn21 = new Image();
btn21.src = "/graphics/btn/21efh_h.gif";

btn22 = new Image();
btn22.src = "/graphics/btn/22mfh_h.gif";

btn23 = new Image();
btn23.src = "/graphics/btn/23betriebsbauten_h.gif";

btn30 = new Image();
btn30.src = "/graphics/btn/30liegenschaften_h.gif";

btn31 = new Image();
btn31.src = "/graphics/btn/31haus_h.gif";

btn32 = new Image();
btn32.src = "/graphics/btn/32mietwohnung_h.gif";

btn33 = new Image();
btn33.src = "/graphics/btn/33expertisen_h.gif";

btn40 = new Image();
btn40.src = "/graphics/btn/40auftragsbau_h.gif";

btn41 = new Image();
btn41.src = "/graphics/btn/41general_h.gif";

btn42 = new Image();
btn42.src = "/graphics/btn/42objekt_h.gif";

btn43 = new Image();
btn43.src = "/graphics/btn/43spezial_h.gif";

btn50 = new Image();
btn50.src = "/graphics/btn/50technologie_h.gif";

btn51 = new Image();
btn51.src = "/graphics/btn/51patent_h.gif";

btn52 = new Image();
btn52.src = "/graphics/btn/52neuheiten_h.gif";

btn53 = new Image();
btn53.src = "/graphics/btn/53verkauf_h.gif";



function movepic(img_name,img_src) {
document[img_name].src=img_src;
}