function showtabdiv(aktuell){

// Menutab aktuell	
		document.getElementById("menutab_li_highlights").className = "none";
		document.getElementById("menutab_li_funktionen").className = "none";
		document.getElementById("menutab_li_videotab").className = "none";
		document.getElementById("menutab_li_kaufen").className = "none";

		document.getElementById("menutab_li_"+aktuell).className = "current";


// Divs ausblenden
		document.getElementById("highlights").style.display = "none";
		document.getElementById("funktionen").style.display = "none";
		document.getElementById("videotab").style.display = "none";
		document.getElementById("kaufen").style.display = "none";
		
// Div einblenden
		document.getElementById(aktuell).style.display = "block";
	
if(aktuell == "highlights"){
	document.getElementById("survey_wrapper").style.display = "none";
}else{
	document.getElementById("survey_wrapper").style.display = "block";
}
	
}