if (document.images)
{
// Menu Off
	img1off = new Image();          img1off.src = "images/nav/home.gif";
	img2off = new Image();          img2off.src = "images/nav/about.gif";
	img3off = new Image();          img3off.src = "images/nav/find_teacher.gif";
	img4off = new Image();          img4off.src = "images/nav/become_member.gif";
	img5off = new Image();          img5off.src = "images/nav/news_events.gif";
	img6off = new Image();          img6off.src = "images/nav/executive.gif";
	img7off = new Image();          img7off.src="images/nav/bylaws.gif";

// Menu Over
	img1on = new Image();       img1on.src = "images/nav/home_over.gif";
	img2on = new Image();       img2on.src = "images/nav/about_over.gif";
	img3on = new Image();       img3on.src = "images/nav/find_teacher_over.gif";
	img4on = new Image();       img4on.src = "images/nav/become_member_over.gif";
	img5on = new Image();       img5on.src = "images/nav/news_events_over.gif";
	img6on = new Image();       img6on.src = "images/nav/executive_over.gif";
	img7on = new Image();       img7on.src = "images/nav/bylaws_over.gif";
}


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

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