function ur(){
	for (i=0;i<=6;i++) MM_showHideLayers('m'+i,'','show');
	}

function ur_unrot(){
	for (i=0;i<=6;i++) MM_showHideLayers('m'+i+'a','','hide');
	}

function ur_unbild(){
	for (i=1;i<=6;i++) MM_showHideLayers('kap'+i,'','hide');
	}
	
function ueber(wer){
	ur(); 
	MM_showHideLayers('m'+wer,'','hide');
	}
		
function aktiv(wer){
	pfeilnavigation_aus();
	ur(); 
	ur_unrot();
	ur_unbild();
	MM_showHideLayers('m'+wer+'a','','show');
	MM_showHideLayers('kap'+wer,'','show');
	bewegt='st'+wer; 
	unterkante = 250 - document.getElementById(bewegt).offsetHeight;
	}