logos = new Array(
					"Automobil-<br>zulieferer",
					"Automobil-<br>hersteller",
					"Medien",
					"Mobile Tele-<br>kommunikation",
					"Tele-<br>kommunikation",
					"Luftfahrt",
					"Schifffahrt",
					"Transport und<br>Logistik",
					"Informations-<br>technologie",
					"Mess- und<br>Regeltechnik",
					"Banken",
					"Versicherungen",
					"Pharmaindustrie",
					"Hotellerie und<br> Touristik",
					"Deutsches<br>Rotes Kreuz",
					"Maschinenbau"
				);


//set duration for each logo
ref_duration = 4;

var ref_loop = 0;
function start_ref() {
	if(document.getElementById("ref_logo")) {
		setTimeout("slide_ref()", ref_duration*1000);
	}
}

function slide_ref() {
	ref_loop++;
	if(ref_loop == logos.length) {
		ref_loop = 0; 
	}
//alert("t:"+logos[ref_loop]);
	document.getElementById("ref_logo").innerHTML = logos[ref_loop];
	setTimeout("slide_ref()", ref_duration*1000);
}