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normal1.src = "../bilder/button_home.jpg";
over1 = new Image();
over1.src = "../bilder/button_home_over.jpg";
click1 = new Image();
click1.src = "../bilder/button_home_click.jpg";
normal2 = new Image();
normal2.src = "../bilder/button_kontakt.jpg";
over2 = new Image();
over2.src = "../bilder/button_kontakt_over.jpg";
click2 = new Image();
click2.src = "../bilder/button_kontakt_click.jpg";
normal3 = new Image();
normal3.src = "../bilder/button_impressum.jpg";
over3 = new Image();
over3.src = "../bilder/button_impressum_over.jpg";
click3 = new Image();
click3.src = "../bilder/button_impressum_click.jpg";
normal4 = new Image();
normal4.src = "../bilder/button_news.jpg";
over4 = new Image();
over4.src = "../bilder/button_news_over.jpg";
click4 = new Image();
click4.src = "../bilder/button_news_click.jpg";
normal5 = new Image();
normal5.src = "../bilder/button_leistungen.jpg";
over5 = new Image();
over5.src = "../bilder/button_leistungen_over.jpg";
click5 = new Image();
click5.src = "../bilder/button_leistungen_click.jpg";
normal6 = new Image();
normal6.src = "../bilder/button_kunden.jpg";
over6 = new Image();
over6.src = "../bilder/button_kunden_over.jpg";
click6 = new Image();
click6.src = "../bilder/button_kunden_click.jpg";
normal7 = new Image();
normal7.src = "../bilder/button_partner.jpg";
over7 = new Image();
over7.src = "../bilder/button_partner_over.jpg";
click7 = new Image();
click7.src = "../bilder/button_partner_click.jpg";
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