imag = new Array()
        imag[0] = "../images/nav_ak_off.gif"
        imag[1] = "../images/nav_ak_on.gif"
	imag[2] = "../images/nav_mk_off.gif"
        imag[3] = "../images/nav_mk_on.gif"	
	imag[4] = "../images/nav_ll_off.gif"
        imag[5] = "../images/nav_ll_on.gif"
	imag[6] = "../images/nav_gp_off.gif"
        imag[7] = "../images/nav_gp_on.gif"
        imag[8] = "../images/nav_uj_off.gif"
        imag[9] = "../images/nav_uj_on.gif"
        imag[10] = "../images/but_ak_auswahl.gif"
        imag[11] = "../images/but_ak_auswahl_on.gif"
        imag[12] = "../images/but_ak_home.gif"
        imag[13] = "../images/but_ak_home_on.gif"
        
	function swtch(num,imgname){
                imgname.src = im[num].src
        }
        im = new Array()
        for (var i = 0; i < imag.length; i++){
                im[i] = new Image();
                im[i].src = imag[i];
        }