mainLo = new Array();
mainHi = new Array();

mainLo[1]     = new Image();
mainHi[1]     = new Image();
mainLo[1].src = "/neffelch/sys/pix/nav_main/main1_lo.gif";
mainHi[1].src = "/neffelch/sys/pix/nav_main/main1_hi.gif";

mainLo[2]     = new Image();
mainHi[2]     = new Image();
mainLo[2].src = "/neffelch/sys/pix/nav_main/main2_lo.gif";
mainHi[2].src = "/neffelch/sys/pix/nav_main/main2_hi.gif";

mainLo[3]     = new Image();
mainHi[3]     = new Image();
mainLo[3].src = "/neffelch/sys/pix/nav_main/main3_lo.gif";
mainHi[3].src = "/neffelch/sys/pix/nav_main/main3_hi.gif";

mainLo[4]     = new Image();
mainHi[4]     = new Image();
mainLo[4].src = "/neffelch/sys/pix/nav_main/main4_lo.gif";
mainHi[4].src = "/neffelch/sys/pix/nav_main/main4_hi.gif";


subLo = new Array();
subHi = new Array();

subLo[1]     = new Image();
subHi[1]     = new Image();
subLo[1].src = "/neffelch/sys/pix/nav_sub/1_1_lo.gif";
subHi[1].src = "/neffelch/sys/pix/nav_sub/1_1_hi.gif";

subLo[2]     = new Image();
subHi[2]     = new Image();
subLo[2].src = "/neffelch/sys/pix/nav_sub/1_2_lo.gif";
subHi[2].src = "/neffelch/sys/pix/nav_sub/1_2_hi.gif";

subLo[3]     = new Image();
subHi[3]     = new Image();
subLo[3].src = "/neffelch/sys/pix/nav_sub/2_1_lo.gif";
subHi[3].src = "/neffelch/sys/pix/nav_sub/2_1_hi.gif";

subLo[4]     = new Image();
subHi[4]     = new Image();
subLo[4].src = "/neffelch/sys/pix/nav_sub/2_2_lo.gif";
subHi[4].src = "/neffelch/sys/pix/nav_sub/2_2_hi.gif";

subLo[5]     = new Image();
subHi[5]     = new Image();
subLo[5].src = "/neffelch/sys/pix/nav_sub/2_3_lo.gif";
subHi[5].src = "/neffelch/sys/pix/nav_sub/2_3_hi.gif";

subLo[6]     = new Image();
subHi[6]     = new Image();
subLo[6].src = "/neffelch/sys/pix/nav_sub/2_4_lo.gif";
subHi[6].src = "/neffelch/sys/pix/nav_sub/2_4_hi.gif";

subLo[7]     = new Image();
subHi[7]     = new Image();
subLo[7].src = "/neffelch/sys/pix/nav_sub/3_1_lo.gif";
subHi[7].src = "/neffelch/sys/pix/nav_sub/3_1_hi.gif";

subLo[8]     = new Image();
subHi[8]     = new Image();
subLo[8].src = "/neffelch/sys/pix/nav_sub/3_2_lo.gif";
subHi[8].src = "/neffelch/sys/pix/nav_sub/3_2_hi.gif";

subLo[9]     = new Image();
subHi[9]     = new Image();
subLo[9].src = "/neffelch/sys/pix/nav_sub/4_1_lo.gif";
subHi[9].src = "/neffelch/sys/pix/nav_sub/4_1_hi.gif";

subLo[10]     = new Image();
subHi[10]     = new Image();
subLo[10].src = "/neffelch/sys/pix/nav_sub/4_2_lo.gif";
subHi[10].src = "/neffelch/sys/pix/nav_sub/4_2_hi.gif";

subLo[11]     = new Image();
subHi[11]     = new Image();
subLo[11].src = "/neffelch/sys/pix/nav_sub/4_3_lo.gif";
subHi[11].src = "/neffelch/sys/pix/nav_sub/4_3_hi.gif";

subLo[12]     = new Image();
subHi[12]     = new Image();
subLo[12].src = "/neffelch/sys/pix/nav_sub/4_4_lo.gif";
subHi[12].src = "/neffelch/sys/pix/nav_sub/4_4_hi.gif";

subLo[13]     = new Image();
subHi[13]     = new Image();
subLo[13].src = "/neffelch/sys/pix/nav_sub/4_5_lo.gif";
subHi[13].src = "/neffelch/sys/pix/nav_sub/4_5_hi.gif";


function mHi(i) {
	document.images["m"+i].src = mainHi[i].src;
}

function mLo(i) {
	document.images["m"+i].src = mainLo[i].src;
}

function sHi(i) {
	document.images["s"+i].src = subHi[i].src;
}

function sLo(i) {
	document.images["s"+i].src = subLo[i].src;
}

function sRef(elmNr) {
	for(i=1; i<=24; i++) {
		document.getElementById("ref"+i).style.display = "none";
	}
	document.getElementById("ref"+elmNr).style.display = "block";
}