if (document.images) {
		
		var img_home1 = new Image();
 		img_home1.src = "images/menus/home_n.jpg";
		var img_home2 = new Image();
 		img_home2.src = "images/menus/home_o.jpg";

		var img_zentrum1 = new Image();
 		img_zentrum1.src = "images/menus/therapieZentrum_n.jpg";
		var img_zentrum2 = new Image();
 		img_zentrum2.src = "images/menus/therapieZentrum_o.jpg";
		
		var img_iff1 = new Image();
 		img_iff1.src = "images/menus/iff_n.jpg";
		var img_iff2 = new Image();
 		img_iff2.src = "images/menus/iff_o.jpg";
		
		var img_aktiv1 = new Image();
 		img_aktiv1.src = "images/menus/akTiv_n.jpg";
		var img_aktiv2 = new Image();
 		img_aktiv2.src = "images/menus/akTiv_o.jpg";
				
		var img_gesundfit1 = new Image();
 		img_gesundfit1.src = "images/menus/gesundfit_n.jpg";
		var img_gesundfit2 = new Image();
 		img_gesundfit2.src = "images/menus/gesundfit_o.jpg";
		
		var img_academy1 = new Image();
 		img_academy1.src = "images/menus/academy_n.jpg";
		var img_academy2 = new Image();
 		img_academy2.src = "images/menus/academy_o.jpg";
				
		var img_kurse1 = new Image();
 		img_kurse1.src = "images/menus/kurse_n.jpg";
		var img_kurse2 = new Image();
 		img_kurse2.src = "images/menus/kurse_o.jpg";
						
		var img_tarife1 = new Image();
 		img_tarife1.src = "images/menus/tarife_n.jpg";
		var img_tarife2 = new Image();
 		img_tarife2.src = "images/menus/tarife_o.jpg";
								
		var img_mitarbeiter1 = new Image();
 		img_mitarbeiter1.src = "images/menus/mitarbeiter_n.jpg";
		var img_mitarbeiter2 = new Image();
 		img_mitarbeiter2.src = "images/menus/mitarbeiter_o.jpg";
		
		var img_physio1 = new Image();
 		img_physio1.src = "images/menus/physio_n.jpg";
		var img_physio2 = new Image();
 		img_physio2.src = "images/menus/physio_o.jpg";
				
		var img_rbgymn1 = new Image();
 		img_rbgymn1.src = "images/menus/rbgymn_n.jpg";
		var img_rbgymn2 = new Image();
 		img_rbgymn2.src = "images/menus/rbgymn_o.jpg";
				
		var img_ergo1 = new Image();
 		img_ergo1.src = "images/menus/ergotherapie_n.jpg";
		var img_ergo2 = new Image();
 		img_ergo2.src = "images/menus/ergotherapie_o.jpg";
		
		var img_kontakt1 = new Image();
 		img_kontakt1.src = "images/menus/kontakt_n.jpg";
		var img_kontakt2 = new Image();
 		img_kontakt2.src = "images/menus/kontakt_o.jpg";
				
		var img_imprint1 = new Image();
 		img_imprint1.src = "images/menus/therapieZentrum_n.jpg";
		var img_imprint2 = new Image();
 		img_imprint2.src = "images/menus/therapieZentrum_o.jpg";
		}


		function home1() {
		if (document.images)
		document.images["home"].src = "images/menus/home_n.jpg";
		}
		function home2() {
		if (document.images)
		document.images["home"].src = "images/menus/home_o.jpg";
		}

		function zentrum1() {
		if (document.images)
		document.images["zentrum"].src = "images/menus/therapieZentrum_n.jpg";
		}
		function zentrum2() {
		if (document.images)
		document.images["zentrum"].src = "images/menus/therapieZentrum_o.jpg";
		}
		
		function iff1() {
		if (document.images)
		document.images["iff"].src = "images/menus/iff_n.jpg";
		}
		function iff2() {
		if (document.images)
		document.images["iff"].src = "images/menus/iff_o.jpg";
		}
		
		function aktiv1() {
		if (document.images)
		document.images["aktiv"].src = "images/menus/akTiv_n.jpg";
		}
		function aktiv2() {
		if (document.images)
		document.images["aktiv"].src = "images/menus/akTiv_o.jpg";
		}
		
		function gesundfit1() {
		if (document.images)
		document.images["gesundfit"].src = "images/menus/gesundfit_n.jpg";
		}
		function gesundfit2() {
		if (document.images)
		document.images["gesundfit"].src = "images/menus/gesundfit_o.jpg";
		}
		
		function rbgymn1() {
		if (document.images)
		document.images["rbgymn"].src = "images/menus/rbgymn_n.jpg";
		}
		function rbgymn2() {
		if (document.images)
		document.images["rbgymn"].src = "images/menus/rbgymn_o.jpg";
		}
		
		function academy1() {
		if (document.images)
		document.images["academy"].src = "images/menus/academy_n.jpg";
		}
		function academy2() {
		if (document.images)
		document.images["academy"].src = "images/menus/academy_o.jpg";
		}
								
		function kurse1() {
		if (document.images)
		document.images["kurse"].src = "images/menus/kurse_n.jpg";
		}
		function kurse2() {
		if (document.images)
		document.images["kurse"].src = "images/menus/kurse_o.jpg";
		}
										
		function tarife1() {
		if (document.images)
		document.images["tarife"].src = "images/menus/tarife_n.jpg";
		}
		function tarife2() {
		if (document.images)
		document.images["tarife"].src = "images/menus/tarife_o.jpg";
		}
												
		function mitarbeiter1() {
		if (document.images)
		document.images["mitarbeiter"].src = "images/menus/mitarbeiter_n.jpg";
		}
		function mitarbeiter2() {
		if (document.images)
		document.images["mitarbeiter"].src = "images/menus/mitarbeiter_o.jpg";
		}
		
		function physio1() {
		if (document.images)
		document.images["physio"].src = "images/menus/physio_n.jpg";
		}
		function physio2() {
		if (document.images)
		document.images["physio"].src = "images/menus/physio_o.jpg";
		}
		
		function ergo1() {
		if (document.images)
		document.images["ergo"].src = "images/menus/ergotherapie_n.jpg";
		}
		function ergo2() {
		if (document.images)
		document.images["ergo"].src = "images/menus/ergotherapie_o.jpg";
		}
		
		function kontakt1() {
		if (document.images)
		document.images["kontakt"].src = "images/menus/kontakt_n.jpg";
		}
		function kontakt2() {
		if (document.images)
		document.images["kontakt"].src = "images/menus/kontakt_o.jpg";
		}
		
		function imprint1() {
		if (document.images)
		document.images["imprint"].src = "images/menus/impressum_n.jpg";
		}
		function imprint2() {
		if (document.images)
		document.images["imprint"].src = "images/menus/impressum_o.jpg";
		}