if (document.images) {
	img1on = new Image();
	img1on.src = "images/nav-mo_01.gif";
	img2on = new Image();
	img2on.src = "images/nav-mo_02.gif";
	img3on = new Image();
	img3on.src = "images/nav-mo_03.gif";
	img4on = new Image();
	img4on.src = "images/nav-mo_04.gif";
	img5on = new Image();
	img5on.src = "images/nav-mo_05.gif";
	img6on = new Image();
	img6on.src = "images/nav-mo_06.gif";
	img7on = new Image();
	img7on.src = "images/snav2-mo_01.gif";
	img8on = new Image();
	img8on.src = "images/snav2-mo_02.gif";
	img9on = new Image();
	img9on.src = "images/snav2-mo_03.gif";
	img10on = new Image();
	img10on.src = "images/snav2-mo_04.gif";
	img11on = new Image();
	img11on.src = "images/snav2-mo_05.gif";
	
	img1off = new Image();
	img1off.src = "images/nav_01.gif";
	img2off = new Image();
	img2off.src = "images/nav_02.gif";
	img3off = new Image();
	img3off.src = "images/nav_03.gif";
	img4off = new Image();
	img4off.src = "images/nav_04.gif";
	img5off = new Image();
	img5off.src = "images/nav_05.gif";
	img6off = new Image();
	img6off.src = "images/nav_06.gif";
	img7off = new Image();
	img7off.src = "images/snav2_01.gif";
	img8off = new Image();
	img8off.src = "images/snav2_02.gif";
	img9off = new Image();
	img9off.src = "images/snav2_03.gif";
	img10off = new Image();
	img10off.src = "images/snav2_04.gif";
	img11off = new Image();
	img11off.src = "images/snav2_05.gif";
}

function imgOn(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName+"on.src");
	}
}
function imgOff(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName+"off.src");
	}
}