aboutOn = new Image();
aboutOn.src = "on/about.gif";

migrainesOn = new Image();
migrainesOn.src = "on/migraines.gif";

dietOn = new Image();
dietOn.src = "on/diet.gif";

inquiryOn = new Image();
inquiryOn.src = "on/inquiry.gif";

function imgOn(imgName) {
	document [imgName].src = eval((imgName) + "On.src");
}
function imgOff(imgName) {
	document [imgName].src = "off/" + (imgName) + ".gif";
}