if (document.images) {
  		var img_rimc1 = new Image();
 		img_rimc1.src = "images/button/nav1.gif";
		var img_rimc2 = new Image();
 		img_rimc2.src = "images/button/nav12.gif";

  		var img_hotels1 = new Image();
 		img_hotels1.src = "images/button/nav2.gif";
		var img_hotels2 = new Image();
 		img_hotels2.src = "images/button/nav22.gif";
 		
 		var img_impressum1 = new Image();
 		img_impressum1.src = "images/button/nav3.gif";
		var img_impressum2 = new Image();
 		img_impressum2.src = "images/button/nav32.gif";
 		
 		var img_kontakt1 = new Image();
 		img_kontakt1.src = "images/button/nav4.gif";
		var img_kontakt2 = new Image();
 		img_kontakt2.src = "images/button/nav42.gif";
 		
 		var img_jobs1 = new Image();
 		img_jobs1.src = "images/button/nav5.gif";
		var img_jobs2 = new Image();
 		img_jobs2.src = "images/button/nav52.gif";
 		
		}
		function rimc1() {
		if (document.images)
		document.images["rimc"].src = "images/button/nav1.gif";
		}
		function rimc2() {
		if (document.images)
		document.images["rimc"].src = "images/button/nav12.gif";
		}

		function hotels1() {
		if (document.images)
		document.images["hotels"].src = "images/button/nav2.gif";
		}
		function hotels2() {
		if (document.images)
		document.images["hotels"].src = "images/button/nav22.gif";
		}
		
		function impressum1() {
		if (document.images)
		document.images["impressum"].src = "images/button/nav3.gif";
		}
		function impressum2() {
		if (document.images)
		document.images["impressum"].src = "images/button/nav32.gif";
		}
		
		function kontakt1() {
		if (document.images)
		document.images["kontakt"].src = "images/button/nav4.gif";
		}
		function kontakt2() {
		if (document.images)
		document.images["kontakt"].src = "images/button/nav42.gif";
		}
		
		function jobs1() {
		if (document.images)
		document.images["jobs"].src = "images/button/nav5.gif";
		}
		function jobs2() {
		if (document.images)
		document.images["jobs"].src = "images/button/nav52.gif";
		}