ImgList = new Array("nm_grundschule","nm_hauptschule","nm_realschule","nm_gesamtschule","nm_gymnasium","nm_berufschulen","nm_erwachsenenbildung","nm_grundschule_c") ;
    MenuImgHigh = new Array() ;
    MenuImgLow = new Array() ;

    for (i=0;i<ImgList.length;i++) {

        MenuImgHigh[i] = new Image() ;
        MenuImgHigh[i].src = "../images/" + ImgList[i] + "_high.gif" ;

        MenuImgLow[i] = new Image() ;
        MenuImgLow[i].src = "../images/" + ImgList[i] + "_low.gif" ;

        edgeHigh = new Image() ;
        edgeHigh.src = "../images/nm_edge_high.gif" ;

        edgeLeftHigh = new Image() ;
        edgeLeftHigh.src = "../images/nm_edge_left_high.gif" ;

        edgeLow = new Image() ;
        edgeLow.src = "../images/nm_edge_low.gif" ;

        edgeLeftActive = new Image() ;
        edgeLeftActive.src = "../images/nm_edge_left_active.gif" ;
    }


    function high(which,left,right)
    {
        ImgName = ImgList[which] ;
        document.images[ImgName].src = MenuImgHigh[which].src ;



        // rechts der Grafik
        thisEdge = (which == 7) ? 1:which + 1 ;
        if(which != 6)
        {
            if(right)
            {
                document.images["nm_edge_" + thisEdge].src = edgeLeftActive.src ;
            }
            else
            {
                document.images["nm_edge_" + thisEdge].src = edgeHigh.src ;
            }
        }

        // links der Grafik
        if(which < 7 && which > 0)
        {
            if(left)
            {
                document.images["nm_edge_" + which].src = edgeLeftActive.src ;
            }
            else
            {
                document.images["nm_edge_" + which].src = edgeLeftHigh.src ;
            }
        }
    }

    function low(which,left,right)
    {
        ImgName = ImgList[which] ;
        document.images[ImgName].src = MenuImgLow[which].src
        thisEdge = (which == 7) ? 1:which + 1 ;
        if(which != 6)
        {
            if(right)
            {
                document.images["nm_edge_" + thisEdge].src = edgeLeftHigh.src ;
            }
            else
            {
                document.images["nm_edge_" + thisEdge].src = edgeLow.src ;
            }
        }
        if(which < 7 && which > 0)
        {
            if(left)
            {
                document.images["nm_edge_" + which].src = edgeHigh.src ;
            }
            else
            {
                document.images["nm_edge_" + which].src = edgeLow.src ;
            }
        }
    }



	// Zusaetzliche Aktionnummer einblenden
	function showExtra() {
		var input = $('aktionsnummer');
		var target = $('aktionsnummern_wrapper');
		if (target.style.display == 'none') {
			new Effect.BlindDown(target);
		}
	}
	function init_aktionsnummer() {
		if ($('aktionsnummer')) {
			if ($('aktionsnummer').value.length == 0) {
				$('aktionsnummern_wrapper').hide();
			}
			$('aktionsnummer').observe('keyup', showExtra);
		}
	}

	document.observe('dom:loaded', init_aktionsnummer);